STANDARD WAVEGUIDE 归档 - DOLPH MICROWAVE https://www.dolphmicrowave.com/product-category/standard-waveguide/ Precision Waveguide Components - Station Antennas Thu, 05 Jun 2025 08:43:05 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.dolphmicrowave.com/wp-content/uploads/2024/02/cropped-icon-1-32x32.png STANDARD WAVEGUIDE 归档 - DOLPH MICROWAVE https://www.dolphmicrowave.com/product-category/standard-waveguide/ 32 32 Seamless Flexible WG https://www.dolphmicrowave.com/product/seamless-flexible-wg/ Thu, 05 Jun 2025 07:21:13 +0000 https://dolphmicrowave.com/?post_type=product&p=2690 ​​Dolph-MW Seamless Flexible Waveguides​​ provide essential low-loss RF signal paths for demanding satcom, radar, and telecom systems. Engineered with helically wound silver-plated copper alloy cores and protective neoprene jackets, they enable reliable E- & H-plane bending (-20°C to +100°C) and feature customizable brass/aluminum flanges for critical alignment.

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Product Description:​​

Dolph-MW Seamless Flexible Waveguides are essential components engineered for high-frequency signal transmission in demanding satcom, VSAT, telecom, radar, and aerospace systems. Constructed from helically wound silver-plated copper alloy for exceptional conductivity and flexibility, these waveguides provide low insertion loss (as low as 0.12 dB/m), maintain high air tightness, and withstand pressures up to 30 PSIG. Their robust neoprene rubber jacket ensures reliable operation across an extensive temperature range (-20°C to +100°C), making them ideal for critical connectivity requiring complex routing.

​​Key Features & Advantages:​​

  • ​​Seamless Helical Construction:​​ Made from silver-plated copper alloy (Brass or BeCu) wound helically, ensuring superior electrical performance and eliminating leakage paths for maximum reliability in high-power applications (up to 20 kW).
  • Dual-Plane Flexibility:​​ Engineered to bend seamlessly in both the E-plane and H-plane, facilitating easy installation and alignment in confined spaces where rigid waveguides are impractical.
  • ​​Extended Operational Range:​​ Features a durable molded neoprene rubber or silicone jacket protecting the core across a wide thermal range (-20°C to +100°C) and harsh environments.
  • ​​Broad Frequency Spectrum:​​ Covers frequencies from approximately 1.13 GHz (WR-650) to 50.1 GHz (WR-22), supporting virtually all high-frequency radio applications.
  • ​​Rigorous Testing & Customization:​​ Each unit is pressure-tested and tuned for optimal performance. Extensive customization includes flange material choice (Brass or Aluminum 6061), plating options (Silver, Nickel, Cadmium, Tin, Gold), jacket finishes (Flat Black Paint, Rubberized Paint, Neoprene), and flange configurations complying with both North American (e.g., UDR, PDR) and European (e.g., UBR, PBR) standards.
  • ​​Reduced Lead Time:​​ In-house flange manufacturing capabilities enable quick delivery of both standard and custom flange designs (flat or grooved).

​​Primary Applications:​​

  • Radar Systems & Satellite Communication (Satcom) Ground Stations
  • VSAT Terminals & Telecom Infrastructure
  • Microwave Measurement and Precision Test Equipment
  • Aerospace, Defense, and Secure Communications Platforms
  • Industrial Microwave Heating & Medical Imaging Systems
  • High-Power Microwave Transmission Lines
MODEL FREQ RANGE (GHz) WG SIZE VSWR IL (dB/m) AVG POWER (KW) MAX. PRESSURE (PSIG) FLANGES TYPE CORE MATERIAL JACKET TYPE DATASHEET
COVER GROOVED
DH-14WWEL… 1.13-1.73 WR650 1.1:1 0.12 20 30 UDR14 PDR14 Brass / BeCu Silicone PDF STEP
DH-22WWEL… 1.72-2.61 WR430 1.1:1 0.15 20 30 UDR22 PDR22 Brass / BeCu Silicone PDF STEP
DH-26WWEL… 2.17-3.3 WR340 1.1:1 0.15 20 30 UDR26 PDR26 Brass / BeCu Silicone PDF STEP
DH-32WWEL… 2.6-3.95 WR284 1.1:1 0.15 10 30 UDR32 PDR32 Brass / BeCu Silicone PDF STEP
DH-40WWEL… 3.22-4.9 WR229 1.1:1 0.17 8 30 UDR40 PDR40 Brass / BeCu Silicone PDF STEP
DH-48WWEL… 3.94-5.99 WR187 1.1:1 0.24 6.5 30 UDR48 PDR348 Brass / BeCu Silicone PDF STEP
DH-58WWEL… 4.64-7.05 WR159 1.1:1 0.22 6 30 UDR58 PDR58 Brass / BeCu Silicone PDF STEP
DH-70WWEL… 5.38-8.17 WR137 1.1:1 0.25 5 30 UDR70 PDR70 Brass / BeCu Silicone PDF STEP
DH-84WWEL… 6.57-9.99 WR112 1.1:1 0.3 4 30 UDR84/UBR84 PDR84/PBR84 Brass / BeCu Silicone PDF STEP
DH-100WWEL… 8.2-12.5 WR90 1.1:1 0.4 3 30 UDR100/UBR100 PDR100/PBR100 Brass / BeCu Silicone PDF STEP
DH-120WWEL… 9.84-15 WR75 1.15:1 0.5 1.5 30 UBR120 PBR120 Brass / BeCu Silicone PDF STEP
DH-140WWEL… 11.9-18 WR62 1.15:1 0.8 1 30 UBR140 PBR140 Brass / BeCu Silicone PDF STEP
DH-180WWEL… 14.5-22 WR51 1.15:1 1.1 0.5 30 UBR180 PBR180 Brass / BeCu Silicone PDF STEP
DH-220WWEL… 17.6-26.7 WR42 1.2:1 1.2 0.3 30 UBR220 PBR220 Brass / BeCu Silicone PDF STEP
DH-260WWEL… 21.7-33 WR34 1.25:1 1.5 0.2 30 UBR260 PBR260 Brass / BeCu Silicone PDF STEP
DH-320WWEL… 26.3-40 WR28 1.3:1 2 0.15 30 UBR320 PBR320 Brass / BeCu Silicone PDF STEP
DH-400WWEL… 32.9-50.1 WR22 1.3:1 2.7 0.05 30 FUGP400/UG-383U/M Brass / BeCu Silicone PDF STEP
Part Number Guide: DH-100WWEL300PMA
"100"—Waveguide Size | WR90
"WWWEL"—Waveguide Type | Seamless Flexible Waveguide
"300"— Length | 300 mm
"P"— Flange Type | Rectangular Flat
"M"— Flange Type | Rectangular Grooved
"C"— Material | Cu
Note:
Available Preformed bend and hybrid flexible waveguide assemblies.
Length of Seamless Flexible Assemblies
The standard recommended length for the various waveguide sizes. MM: 300, 500, 600, 900, 1000, 1200 and 1500. Other lengths may be available on request but may be subject to tooling and design charges.
Accessories
Hardware, fixing and clamping kit accessories are available for use with our flexible waveguide products.
High Power Termination
FLANGE TYPE DESIGNATIONS INFORMATION

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]]> Circular Waveguide Tubing https://www.dolphmicrowave.com/product/circular-waveguide-tubing/ Thu, 05 Jun 2025 06:48:59 +0000 https://dolphmicrowave.com/?post_type=product&p=2683 Dolph Microwave Circular Waveguide Tubing delivers industry-leading performance in TE₁₁ mode with customizable internal diameters (51.99–2.388 mm). Optimized for ultra-low conductor loss in TE₀₁ mode—where attenuation decreases at higher frequencies—it enables efficient long-distance transmission. Featuring dual-polarization support and structural symmetry, these components are essential for radar rotary joints, antenna feeders, resonant cavities, and 5G backhaul systems. All waveguides achieve ≤1.03:1 VSWR and are available in aluminum, OFHC copper, or brass.

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Product Description:

Dolph Microwave specializes in manufacturing premium ​​Circular Waveguide Tubing​​ engineered for the TE₁₁ mode, supporting frequencies from ​​3.89 GHz to 116 GHz​​. With customizable internal diameters ranging from ​​51.99 mm down to 2.388 mm​​, our waveguides offer tailored solutions for high-demand scenarios. While their bandwidth is narrower than comparable rectangular waveguides, they excel in low-loss, high-frequency transmission—particularly in the TE₀₁ mode, where conductor loss decreases with rising frequency, making them ideal for long-distance signal integrity.

Key Features

  • ​​Ultra-Low Loss​​: Optimized for TE₀₁ mode propagation, achieving loss reduction at higher frequencies (e.g., <0.05 dB/m in critical bands) for efficient long-range transmission.
  • ​​Dual-Polarization Support​​: Maintains signal integrity for orthogonally polarized waves, essential for dual-polarization antenna feeders and polarization-sensitive systems.
  • ​​Structural Robustness​​: Precision-machined from aluminum (or optional OFHC copper/brass), featuring symmetrical geometry for high mechanical strength, ease of integration, and resilience in harsh environments like radar rotary joints.
  • ​​Seamless Integration​​: Includes rectangular-to-circular transitions for hybrid waveguide systems, ensuring compatibility across standards (GB/EIA/153-IEC).

Applications

Deployed in critical infrastructure including ​​radar systems​​ (e.g., airborne/scannable arrays), ​​satellite communication feeders​​, ​​resonant cavities​​ for frequency stabilization, and polarization attenuators in advanced telecom networks.

MODEL FREQUENCY TE11 (GHz) STANDARD VSWR Max. WG PIPE SIZE LENGTH (mm) MATERIAL DATASHEET
GB EIA 153-IEC I.D THK.
DH-C40CW… 3.89-5.33 BY40 WC205 C40 1.03:1 51.99 2.54 50~3000 Al PDF STEP
DH-C48CW… 4.45-6.23 BY48 WC175 C48 1.03:1 44.45 2.54 50~3000 Al PDF STEP
DH-C56CW… 5.30-7.27 BY56 WC150 C56 1.03:1 38.1 2.03 50~3000 Al PDF STEP
DH-C65CW… 6.21-8.51 BY65 WC128 C65 1.03:1 32.537 2.03 50~3000 Al PDF STEP
DH-C76CW… 7.27-9.97 BY76 WC109 C76 1.03:1 27.788 1.65 50~3000 Al PDF STEP
DH-C89CW… 8.49-11.6 BY89 WC94 C89 1.03:1 23.825 1.65 50~3000 Al PDF STEP
DH-C104CW… 9.97-13.7 BY104 WC80 C104 1.03:1 20.244 1.27 50~3000 Al PDF STEP
DH-C120CW… 11.6-15.9 BY120 WC69 C120 1.03:1 17.415 1.27 50~3000 Al PDF STEP
DH-C140CW… 13.4-18.4 BY140 WC59 C140 1.03:1 15.088 1.015 50~3000 Al PDF STEP
DH-C165CW… 15.9-21.8 BY165 WC50 C165 1.03:1 12.7 1.015 50~3000 Al PDF STEP
DH-C190CW… 18.2-24.9 BY190 WC44 C190 1.03:1 11.125 1.015 50~3000 Al PDF STEP
DH-C220CW… 21.2-29.1 BY220 WC38 C220 1.03:1 9.525 0.76 50~3000 Al PDF STEP
DH-C255CW… 24.3-33.2 BY255 WC33 C255 1.03:1 8.331 0.76 50~3000 Al PDF STEP
DH-C290CW… 28.3-38.8 BY290 WC28 C290 1.03:1 7.137 0.76 50~3000 Al PDF STEP
DH-C330CW… 31.8-43.0 BY330 WC25 C330 1.03:1 6.35 0.51 50~3000 Al PDF STEP
DH-C380CW… 36.4-49.8 BY380 WC22 C380 1.03:1 5.536 0.51 50~3000 Al PDF STEP
DH-C430CW… 42.4-58.1 BY430 WC19 C430 1.03:1 4.775 0.51 50~3000 Al PDF STEP
DH-C496CW… 46.3-63.5 BY495 WC17 C496 1.03:1 4.369 0.51 50~3000 Al PDF STEP
DH-C580CW… 56.6-77.5 BY580 WC14 C580 1.03:1 3.581 0.51 50~3000 Al PDF STEP
DH-C660CW… 63.5-87.2 BY660 WC13 C660 1.03:1 3.175 0.38 50~3000 Al PDF STEP
DH-C765CW… 72.7-99.7 BY765 WC11 C765 1.03:1 2.769 0.38 50~3000 Al PDF STEP
DH-C890CW… 84.4-116.0 BY890 WC9 C890 1.03:1 2.388 0.38 50~3000 Al PDF STEP
Part Number Guide: DH-C104CW100A
"C104"—Waveguide Size | WC59
"CW"—Waveguide Type | Circular Waveguide Raw Tubes
"100"— Length | 100 mm
"A/C"— Material | Aluminium, Cu
Note:
Raw Waveguide in most alloys including Aluminum, OFHC, Copper, Brass, and more. Standard waveguide lengths are 2000mm. and we can cut waveguide to your dimensions on request.
High Power Termination
FLANGE TYPE DESIGNATIONS INFORMATION

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]]> Waveguide Flange Standard EIA & IEC https://www.dolphmicrowave.com/product/waveguide-flange-standard-eia-iec/ Thu, 05 Jun 2025 06:39:23 +0000 https://dolphmicrowave.com/?post_type=product&p=2691 Dolph Microwave's ​​Waveguide Flange Standard EIA & IEC​​ provides precision RF interfaces for high-power systems (WR10-WR2300+). Manufactured from Aluminum 6061-T6 and compliant with rigorous IEC/EIA standards, these flanges ensure optimal VSWR and vacuum integrity (UHV capable) across radar, telecom, and research applications. Our engineered solutions include specialized types (CPRF, CPRG, SLAC, DESY, LIL) and custom configurations, meeting MIL specifications for critical deployments.

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Product Description:​​

Dolph Microwave engineers waveguide flanges to exacting EIA (Electronic Industries Alliance) and IEC (International Electrotechnical Commission) standards, ensuring seamless interoperability in high-power RF/microwave systems. Our flanges support frequency bands from 75 GHz (WR10) to 320 MHz (WR2300+), fabricated from aluminum 6061-T6 for superior conductivity and corrosion resistance. Rigorous testing guarantees VSWR performance ≤1.05:1, minimizing signal loss in critical radar, satellite, and telecom infrastructure. Prototype to production units feature vacuum-rated seals for UHV environments up to 10⁻⁹ Torr.

​​Performance-Driven Characteristics​

​Flanges undergo CNC machining to micron-level tolerances (±0.01mm), enabling reliable contact interfaces from 18 GHz Ka-band to L-band operations. Solutions include MIL-STD-392 compliant RF joints, customizable groove designs for pressurized systems, and specialized variants for half-height/reduced-height waveguides. All designs mitigate multipaction risk at power thresholds exceeding 5 kW continuous wave. Installation kits with alignment pins and EMI gaskets ensure rapid field deployment.

​​Deployment Environments​​

  • ​​Defense/Aerospace:​​ Phased-array radars and EW systems requiring MIL-DTL-392 hermetic seals
  • ​​Research:​​ DESY/LIL flanges for synchrotron beamlines and particle accelerators
  • ​​Telecom:​​ CPRF/CPRG interfaces for 5G backhaul links
  • ​​Industrial:​​ UHV-compatible flanges for semiconductor processing chambers
  • ​​Satcom:​​ SLAC choke flanges suppressing PIM in multi-antenna feeds
Frequency Range (GHz) EIA Std. IEC Std. European IEC Standard Flanges North American EIA Standard Flanges
A-Style Round Flange B-Style Square Flange D-Style Rectangular Flange E-Style Small Rectangular B-Style Square Flange D-Style Rectangular Flange E-Style Small Rectangular UG-Style
UAR PAR CAR UBR PBR UDR PDR UER SQ. COVER SQ.COVER GROOVED SQ. CHOKE CPRF CPRG CMR UG
0.76-1.15 WR975 R9 CPR975F  CPR975G
0.96-1.46 WR770 R12 CPR770F  CPR770G
1.13-1.73 WR650 R14 CPR650F  CPR650G UG417A/U
1.45-2.2 WR510 R18 CPR510F  CPR510G
1.72-2.61 WR430 R22 CPR430F  CPR430G UG435/U
2.17-3.3 WR340 R26 UDR26 PDR26 CPR340F  CPR340G
2.6-3.95 WR284 R32 UAR32 PAR32 CAR32 UDR32 PDR32 UER32 UG-COVER GROOVED UG-CHOKE CPR284F  CPR284G UG53/U
3.22-4.9 WR229 R40 UAR40 PAR40 CAR40 UDR40 PDR40 UER40 CPR229F  CPR229G CMR229
3.94-5.99 WR187 R48 UAR48 PAR48 CAR48 UDR48 PDR48 UER48 UG-COVER GROOVED UG-CHOKE CPR187F  CPR187G CMR187 UG149/U
4.64-7.05 WR159 R58 UAR58 PAR58 CAR58 UDR58 PDR58 UER58 CPR159F  CPR159G
5.38-8.17 WR137 R70 UAR70 PAR70 CAR70 UDR70 PDR70 UER70 UG-COVER GROOVED UG-CHOKE CPR137F  CPR137G CMR137 UG344/U
6.57-9.99 WR112 R84 UBR84 PBR84 UDR84 PDR84 UER84 UG-COVER GROOVED UG-CHOKE CPR112F  CPR112G CMR112 UG51/U
7.0-11.0 WR102 UBR102 PBR102 UDR102 PDR102 UER100 UG-COVER GROOVED UG-CHOKE
8.2-12.5 WR90 R100 UBR100 PBR100 UDR100 PDR100 UG-COVER GROOVED UG-CHOKE CPR90F CPR90G CMR90 UG39/U
9.84-15 WR75 R120 UBR120 PBR120 UDR120 PDR120 UG-COVER GROOVED UG-CHOKE CPR75F CPR75G
11.9-18 WR62 R140 UBR140 PBR140 UDR140 PDR140 UG-COVER GROOVED UG-CHOKE UG419/U
14.5-22 WR51 R180 UBR180 PBR180 UDR180 PDR180 UG-COVER GROOVED UG-CHOKE
17.6-26.7 WR42 R220 UBR220 PBR220 UG-COVER GROOVED UG-CHOKE UG595/U
21.7-33 WR34 R260 UBR260 PBR260 UG-COVER GROOVED UG-CHOKE UG1530
26.3-40 WR28 R320 UBR320 PBR320 UG-COVER GROOVED UG-CHOKE UG599/U
32.9-50.1 WR22 R400 UG-COVER GROOVED UG-CHOKE UG383/U
39.2-59.6 WR19 R500 UG383/U
49.8-75.8 WR15 R620 UG385/U
60.5-91.9 WR12 R740 UG387/U
73.8-112 WR10 R900 UG387/U
92.2-140 WR8 R1200 UG387/U
113-173 WR6 R1400 UG387/U
145-220 WR5 R1800 UG387/U
172-261 WR4 R2200 UG387/U
217-330 WR3 R2600 UG387/U
325-500 WR2 UG387/U
750-1100 WR1 UG387/U
High Power Termination
FLANGE TYPE DESIGNATIONS INFORMATION

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]]> Waveguide Gasket, Die Cut https://www.dolphmicrowave.com/product/waveguide-gasket-die-cut/ Thu, 05 Jun 2025 06:39:23 +0000 https://dolphmicrowave.com/?post_type=product&p=2692 Dolph Microwave's ​​Waveguide Gasket, Die Cut​​ provides precision RF/pressure sealing for WR10 to WR2300+ waveguide systems. Engineered in conductive (85 Durometer silver-copper silicone) or non-conductive materials (silicone/neoprene), these gaskets ensure EMI shielding and vacuum integrity while exceeding MIL standards for CPR, UG, CMR, and custom flanges.

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Product Description:​​

Dolph Microwave delivers high-performance ​​die-cut waveguide gaskets​​ engineered for seamless connectivity in rectangular and double ridge waveguide systems. Designed to exceed MIL standards, our gaskets ensure superior EMI/RFI shielding and ultra-high vacuum (UHV) compatibility. Available in WR10 to WR2300+ sizes, they provide critical RF/pressure sealing with attenuation as low as 0.02 dB across 0.5–110 GHz bands. Engineered for aerospace, defense, and telecom applications where signal integrity is non-negotiable.

Key Product Advantages

  • ​​Material Expertise​​: Conductive silver-plated copper silicone (85 Durometer) for EMI shielding, plus non-conductive options (silicone/neoprene/EPDM) for pressure-only sealing.
  • ​​Universal Flange Compatibility​​: CPR, UG, CMR, UDR, UAR, PBR, and custom flange designs (IEC/EIA standards).
  • ​​Critical Environment Ready​​: Withstands UHV conditions (-10⁹ Torr), extreme temperatures (-55°C to +200°C), and vibration.
  • ​​Dual-Function Sealing​​: Choose ​​conductive gaskets​​ (RF + pressure seal) or ​​non-conductive​​ (pressure-only O-rings/half-gaskets).
  • ​​Reduced Height Support​​: Specialized solutions for half-height/reduced waveguide configurations.

Industry Applications

Deployed in mission-critical systems requiring zero RF leakage:

  • Military radar & satellite communications
  • Aerospace avionics testing
  • Particle accelerator RF systems
  • Medical imaging (MRI RF coils)
  • 5G/mmWave infrastructure
MODEL WG SIZE THICKNESS (mm) FLAT GASKET, DIE CUT FOR CPR/UDR, U/G, UBR, UAR STYLE FLANGES ELECTRICAL CONDUCTIVITY MATERIAL ROHS/REACH DATASHEET
DH-14WFGT1… WR650 0.5 to 2 UDR/CPR650 Conductive Silicone Comply PDF STEP
DH-18WFGT1… WR510 0.5 to 2 UDR/CPR510 Conductive Silicone Comply PDF STEP
DH-22WFGT1… WR430 0.5 to 2 UDR/CPR430 Conductive Silicone Comply PDF STEP
DH-26WFGT1… WR340 0.5 to 2 UDR/CPR340 Conductive Silicone Comply PDF STEP
DH-32WFGT1… WR284 0.5 to 2 UAR32 UDR/CPR284 Conductive Silicone Comply PDF STEP
DH-40WFGT1… WR229 0.5 to 2 UAR40 UDR/CPR229 Conductive Silicone Comply PDF STEP
DH-48WFGT1… WR187 0.5 to 2 UAR48 UDR/CPR187 Conductive Silicone Comply PDF STEP
DH-58WFGT1… WR159 0.5 to 2 UAR58 UDR/CPR159 Conductive Silicone Comply PDF STEP
DH-70WFGT1… WR137 0.5 to 2 UAR70 UDR/CPR137 Conductive Silicone Comply PDF STEP
DH-84WFGT1… WR112 0.5 to 2 UG/UBR84 UDR/CPR112 Conductive Silicone Comply PDF STEP
DH-100WFGT1… WR90 0.5 to 2 PBR100 UDR/CPR90 Conductive Silicone Comply PDF STEP
DH-120WFGT1… WR75 0.5 to 2 PBR120 UDR/CPR75 Conductive Silicone Comply PDF STEP
DH-140WFGT1… WR62 0.5 to 2 PBR140 Conductive Silicone Comply PDF STEP
DH-180WFGT1… WR51 0.5 to 2 PBR180 Conductive Silicone Comply PDF STEP
DH-220WFGT1… WR42 0.5 to 2 PBR220 Conductive Silicone Comply PDF STEP
DH-260WFGT1… WR34 0.5 to 2 PBR260 Conductive Silicone Comply PDF STEP
DH-320WFGT1… WR28 0.5 to 2 PBR320 Conductive Silicone Comply PDF STEP
Part Number Guide: DH-100WFGT1DC-873
"100"—Waveguide Size | WR90
"WFG"—Gasket Type | Waveguide Flat Gasket
"T1"—Thickness | 1 mm, or customer to specify thickness
"D/B"—Flanges Style | Rectangle/Square
"C-873"— Electrical Conductiovity | Conductive Materials
Note:
PRESSURE SEAL; or PRESSURE and RF SEAL ?
@If a Pressure seal only, then use a NON-CONDUCTIVE Gasket.
These are usually Silicon or Neoprene material, O-rings or Rectangles, designed to fit into flange grooves.
@If a Pressure and RF seal is required, then use a CONDUCTIVE Gasket.
These look similar to the non-conductive gaskets, but are filled with a conductive material, usually copper or silver. The exception is the Die-cut Gasket, which resembles the flange face.
High Power Termination
FLANGE TYPE DESIGNATIONS INFORMATION

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]]> Standard Waveguide_Precision Waveguide Calibration Kits https://www.dolphmicrowave.com/product/standard-waveguide_precision-waveguide-calibration-kits/ Thu, 05 Jun 2025 06:39:19 +0000 https://dolphmicrowave.com/?post_type=product&p=2689 Dolph Microwave Precision Waveguide Calibration Kits​​ deliver industry-standard accuracy for waveguide-based VNA measurements from ​​0.76 GHz (WR975) to 112 GHz (WR10)​​. Engineered for robust ​​TRL calibration​​, these kits include precision waveguide offset sections, low-VSWR adapters (down to ​​1.2:1​​), matched terminations (​​1.03 VSWR​​), and Keysight-compatible calibration data, ensuring reliable characterization of microwave components in R&D, 5G/6G, and aerospace applications.

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​​Product Introduction:​​

Dolph Microwave’s Precision Waveguide Calibration Kits are industry-standard solutions for achieving highly accurate Vector Network Analyzer (VNA) measurements in waveguide environments. Covering an extensive frequency range from ​​0.76 GHz (WR975)​​ to ​​112 GHz (WR10)​​, these comprehensive kits contain all essential components needed to perform rigorous ​​TRL (Thru-Reflect-Line)​​ calibrations. Designed specifically for modern VNAs configured for waveguide measurements, they ensure measurement traceability and minimize systematic errors critical in RF and microwave engineering. Key components include waveguide-to-coax adapters with VSWRs as low as ​​1.2:1​​, precision sliding loads or offset shorts, and characterized waveguide offset sections.

​​Key Features:​​

  • ​​Comprehensive TRL Calibration:​​ Each kit contains the precise components – including waveguide-to-coax adapters (2x), a waveguide-matched termination, short circuits, and carefully dimensioned offset waveguide sections (1/8λ, 1/4λ, 3/8λ) – required for robust TRL calibration directly on VNAs set for waveguide mode.
  • ​​Exceptional Component Performance:​​ Critical components boast low VSWR specifications, including matched terminations and short circuits rated at ​​1.03 VSWR​​, and waveguide-to-coax adapters typically at ​​1.2:1​​ VSWR (1.3:1 or 1.4:1 at higher bands), ensuring minimal calibration uncertainty.
  • ​​Broad Waveguide Compatibility:​​ Kits are available for a vast range of standard rectangular waveguide sizes (WR975 to WR10), covering frequencies from ​​0.76 GHz up to 112 GHz​​. See the detailed specifications table below.
  • ​​Robust Construction & Protection:​​ Components are housed in durable aluminum alloy storage cases. They feature ​​RoHS compliant conversion coating (SurTec)​​ and a standard ​​flat black paint finish​​ for excellent corrosion resistance and durability in lab or field environments.
  • ​​Vendor Compatibility:​​ Includes a Calibration Coefficients Definition Sheet and Data compatible with ​​Keysight VNAs​​, facilitating seamless setup and accurate calibration data import.
  • ​​Connector Flexibility:​​ Adapters support various popular coaxial connector interfaces depending on the model (N, SMA, 2.92mm, 1.85mm, 1.0mm), clearly indicated in the part number. See the Part Number Guide.
  • ​​Precision Alignment:​​ Kits include alignment tools (2x) and flange hardware kits to ensure proper waveguide connection and measurement integrity.
  • ​​Sliding Load Option:​​ Kits for lower frequency bands (e.g., WR975 to WR112) include a precision Waveguide Sliding Load, essential for high-precision TRL calibrations.

​​Primary Applications:​​

Dolph Microwave Waveguide Calibration Kits are indispensable tools in applications demanding high-frequency
measurement accuracy:

  • ​​Testing and Measurement (T&M)​​ of microwave components and systems.
  • ​​Research and Development (R&D)​​ for next-generation communication technologies (5G, 6G), radar systems, and satellite communications.
  • ​​Verification and Maintenance​​ of ​​Wireless Communication Base Station​​ components operating at microwave frequencies.
  • Development and production testing within ​​Communication Equipment​​ manufacturers.
MODEL FREQUENCY RANGE (GHz) WG SIZE ADAPTERS (VSWR) TERMINATION (VSWR) SHORT (VSWR) WAVEGUIDE OFFSETS THK.(mm) HARDWARE (SCREWS/NUTS/WASHERS) STORAGE CASE FLANGES TYPE DATASHEET
FEMALE CONNECTOR MALE CONNECTOR 1/8λ Section 1/4λ Section 3/8λ Section COVER
DH-9VNAWKN 0.76-1.15 WR975 1.2:1 1.2:1 1.03 60 50.79 101.58 152.37 1 set 1 UDR9 PDF STEP
DH-12VNAWKN 0.96-1.46 WR770 1.2:1 1.2:1 1.03 60 40.07 80.14 120.21 1 set 1 UDR12 PDF STEP
DH-14VNAWKN 1.13-1.73 WR650 1.2:1 1.2:1 1.03 60 33.96 67.92 101.88 1 set 1 UDR14 PDF STEP
DH-18VNAWKN 1.45-2.2 WR510 1.2:1 1.2:1 1.03 60 26.58 53.17 79.75 1 set 1 UDR18 PDF STEP
DH-22VNAWKN 1.72-2.61 WR430 1.2:1 1.2:1 1.03 60 22.41 44.81 67.22 1 set 1 UDR22 PDF STEP
DH-26VNAWKN 2.17-3.3 WR340 1.2:1 1.2:1 1.03 60 17.75 35.50 53.25 1 set 1 UDR26 PDF STEP
DH-32VNAWKN 2.6-3.95 WR284 1.2:1 1.2:1 1.03 60 14.82 29.64 44.46 1 set 1 UDR32 PDF STEP
DH-40VNAWKN 3.22-4.9 WR229 1.2:1 1.2:1 1.03 60 11.96 23.92 35.87 1 set 1 UDR40 PDF STEP
DH-48VNAWKN 3.94-5.99 WR187 1.2:1 1.2:1 1.03 60 9.78 19.56 29.34 1 set 1 UDR48 PDF STEP
DH-58VNAWKN 4.64-7.05 WR159 1.2:1 1.2:1 1.03 60 8.31 16.62 24.93 1 set 1 UDR58 PDF STEP
DH-70VNAWKN 5.38-8.17 WR137 1.2:1 1.2:1 1.03 60 7.17 14.33 21.50 1 set 1 UDR70 PDF STEP
DH-84-VNAWKN 6.57-9.99 WR112 1.2:1 1.2:1 1.03 60 5.87 11.73 17.60 1 set 1 UDR84/UBR84 PDF STEP
DH-100VNAWKN 8.2-12.5 WR90 1.2:1 1.2:1 1.03 60 4.69 9.37 14.06 1 set 1 UDR100/UBR100 PDF STEP
DH-120VNAWKN 9.84-15 WR75 1.2:1 1.2:1 1.03 60 3.90 7.81 11.71 1 set 1 UBR120 PDF STEP
DH-140VNAWKS 11.9-18 WR62 1.2:1 1.2:1 1.03 60 3.25 6.49 9.74 1 set 1 UBR140 PDF STEP
DH-180VNAWKS 14.5-22 WR51 1.2:1 1.2:1 1.03 60 2.66 5.32 7.98 1 set 1 UBR180 PDF STEP
DH-220VNAWKK 17.6-26.7 WR42 1.2:1 1.2:1 1.03 60 2.19 4.38 6.57 1 set 1 UBR220 PDF STEP
DH-260VNAWKK 21.7-33 WR34 1.2:1 1.2:1 1.03 60 1.78 3.55 5.33 1 set 1 UBR260 PDF STEP
DH-320VNAWKK 26.3-40 WR28 1.2:1 1.2:1 1.03 60 1.47 2.93 4.40 1 set 1 UBR320 PDF STEP
DH-400VNAWKV 32.9-50.1 WR22 1.2:1 1.2:1 1.03 60 1.17 2.34 3.51 1 set 1 FUGP400/UG-383U/M PDF STEP
DH-500VNAWK1.85 39.2-59.6 WR19 1.3:1 1.3:1 1.03 60 0.98 1.97 2.95 1 set 1 FUGP500/UG-383U/M PDF STEP
DH-620VNAWK1.85 49.8-75.8 WR15 1.3:1 1.3:1 1.03 60 0.77 1.54 2.31 1 set 1 FUGP620/UG-385U/M PDF STEP
DH-740WNAWK1.0 60.5-91.9 WR12 1.4:1 1.4:1 1.03 60 0.64 1.27 1.91 1 set 1 FUGP740/UG-387U/M PDF STEP
DH-900WNAWK1.0 73.8-112 WR10 1.4:1 1.4:1 1.03 60 0.52 1.05 1.57 1 set 1 FUGP900/UG-387U/M PDF STEP
Part Number Guide: DH-100VNAWKN
"100"—Waveguide Size | WR90
"VNAWK"—Waveguide Type | Precision Waveguide Calibration Kits
"N"— Adapters Conector-Style | N-Type
"S"— Adapters Conector-Style | SMA-Type
"K"— Adapters Conector-Style | 2.92mm
"1.85"— Adapters Conector-Style | 1.85mm
"1.0"— Adapters Conector-Style | 1.0mm
"A/C"— Material | Aluminium, Cu
Note:
All Dolph-MW models include an surtec/corrosion protection treatment and are painted flat black. Flanges are unplated, polished and surtec. Other finishes and paint colors are available upon request.
High Power Termination
FLANGE TYPE DESIGNATIONS INFORMATION

The post Standard Waveguide_Precision Waveguide Calibration Kits appeared first on DOLPH MICROWAVE.

]]> Low Power Min (Short) Termination https://www.dolphmicrowave.com/product/low-power-min-short-termination/ Thu, 05 Jun 2025 06:39:17 +0000 https://dolphmicrowave.com/?post_type=product&p=2688 The Dolph Microwave Low Power Min (Short) Termination is a precision-engineered RF waveguide dummy load designed to protect sensitive transmitter components (BUC, HPA, TWTA, SSPB) during testing. Providing an exceptional 1.2:1 VSWR match from 1.13 GHz to 40 GHz across waveguide sizes WR650 to WR28, its robust copper construction with gold-plated brass flanges and IP65-rated enclosure ensures reliable, high-performance signal absorption and system protection in demanding environments like satellite communications, radar, and wireless base stations.

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​​Product Description:​​

Dolph Microwave’s Low Power Min (Short) Termination is a precision RF waveguide dummy load designed to provide a high-performance, matched impedance termination for frequencies spanning 1.13 GHz to 500 GHz (across various models). This essential test and measurement component replaces the antenna during RF system verification, safeguarding critical transmitter elements like BUCs, HPAs, TWTAs, and SSPBs from damage caused by reflected power.

Engineered for reliability in demanding environments, each unit features a short waveguide section integrated with a precisely tapered dielectric load for optimal RF energy absorption. Constructed from copper waveguide with brass flanges, gold-plated contact surfaces ensure excellent conductivity and corrosion resistance. Standard models offer an impressive voltage standing wave ratio (VSWR) of 1.2:1 across their full specified waveguide bandwidth (WR650 to WR28), with lengths starting from just 20mm for high-frequency variants.

​​Key Features & Benefits:​​

​​Superior Impedance Matching:​​ Achieves a consistently low VSWR of 1.2:1 across the entire bandwidth of each waveguide size, ensuring minimal signal reflection for accurate testing.

  • ​​Broad Frequency Coverage:​​ Comprehensive range of models supports applications from 1.13 GHz (L-band) up to 500 GHz (sub-millimeter wave).
  • ​​Precision Waveguide Design:​​ Utilizes short waveguide sections (160mm to 20mm depending on band) with optimized internal geometry for consistent performance.
  • ​​High-Quality Construction:​​ Robust copper waveguide components with brass flanges featuring gold-plated contact surfaces for maximum RF efficiency and long-term reliability.
  • ​​Tapered Dielectric Load:​​ Specifically engineered internal load geometry provides efficient broadband RF energy absorption.
  • ​​Environmental Protection:​​ Standard IP65 rating (dust-tight and protected against low-pressure water jets) for reliable operation in various settings.
  • ​​Durable Finish:​​ Features Surtec corrosion protection treatment (chromate conversion) and a standard flat black paint finish, with custom options available.
  • ​​Ideal for Systems Integration:​​ The compact “Min” profile (especially shorter units like DH-320WMPL at 20mm) makes it suitable for integration into test benches and systems where space is limited.

​​Primary Applications:​​

This precision termination is critical for numerous RF applications:

  • ​​Testing and Measurement:​​ Essential lab tool for characterizing transmitters, amplifiers (BUCs, HPAs, TWTAs, SSPBs), antennas, and other RF components without radiating signals.
  • ​​Communication Systems:​​ Verification and maintenance of radar systems, satellite communication ground stations (protecting sensitive uplink amplifiers), wireless communication base stations (including 5G infrastructure).
  • R&D and Manufacturing:​​ Used extensively in development, prototyping, calibration, and production testing phases across telecommunications, aerospace, and defense sectors.
MODEL FREQUENCY RANGE(GHz) WG SIZE VSWR POWER RATING CW (W) FLANGES TYPE LENGTH (mm) INGRESS PROTECTION MATERIAL FINISH DATASHEET
COVER GROOVED
DH-14WMPL… 1.13-1.73 WR650 1.2:1 2~50 UDR14 PDR14 160 IP65 Al/Cu Chromate/Painted PDF STEP
DH-18WMPL… 1.45-2.2 WR510 1.2:1 2~50 UDR18 PDR18 160 IP65 Al/Cu Chromate/Painted PDF STEP
DH-22WMPL… 1.72-2.61 WR430 1.2:1 2~50 UDR22 PDR22 145 IP65 Al/Cu Chromate/Painted PDF STEP
DH-26WMPL… 2.17-3.3 WR340 1.2:1 2~50 UDR26 PDR26 120 IP65 Al/Cu Chromate/Painted PDF STEP
DH-32WMPL… 2.6-3.95 WR284 1.2:1 2~50 UDR32 PDR32 100 IP65 Al/Cu Chromate/Painted PDF STEP
DH-40WMPL… 3.22-4.9 WR229 1.2:1 2~50 UDR40 PDR40 80 IP65 Al/Cu Chromate/Painted PDF STEP
DH-48WMPL… 3.94-5.99 WR187 1.2:1 2~50 UDR48 PDR48 55 IP65 Al/Cu Chromate/Painted PDF STEP
DH-58WMPL… 4.64-7.05 WR159 1.2:1 2~50 UDR58 PDR58 50 IP65 Al/Cu Chromate/Painted PDF STEP
DH-70WMPL… 5.38-8.17 WR137 1.2:1 2~30 UDR70 PDR70 45 IP65 Al/Cu Chromate/Painted PDF STEP
DH-84WMPL… 6.57-9.99 WR112 1.2:1 2~30 UDR84/UBR84 PDR84/PBR84 40 IP65 Al/Cu Chromate/Painted PDF STEP
DH-100WMPL… 8.2-12.5 WR90 1.2:1 2~20 UDR100/UBR100 PDR100/PBR100 40 IP65 Al/Cu Chromate/Painted PDF STEP
DH-120WMPL… 9.84-15 WR75 1.2:1 2~20 UBR120 PBR120 35 IP65 Al/Cu Chromate/Painted PDF STEP
DH-140WMPL… 11.9-18 WR62 1.2:1 2~20 UBR140 PBR140 30 IP65 Al/Cu Chromate/Painted PDF STEP
DH-180WMPL… 14.5-22 WR51 1.2:1 2~20 UBR180 PBR180 30 IP65 Al/Cu Chromate/Painted PDF STEP
DH-220WMPL… 17.6-26.7 WR42 1.2:1 2~15 UBR220 PBR220 30 IP65 Al/Cu Chromate/Painted PDF STEP
DH-260WMPL… 21.7-33 WR34 1.2:1 2~15 UBR260 PBR260 20 IP65 Al/Cu Chromate/Painted PDF STEP
DH-320WMPL… 26.3-40 WR28 1.2:1 2~15 UBR320 PBR320 20 IP65 Al/Cu Chromate/Painted PDF STEP
Part Number Guide: DH-100WMPL20PA
"100"—Waveguide Size | WR90
"WMPL"—Waveguide Type | Precision Low Power Min. (Short) Loads
"20"— Power Rating | 20 W
"P"— Flange Type | Rectangular Flat
"M"— Flange Type | Rectangular Grooved
"A/C"— Material | Aluminium, Cu
Note:
All Dolph-MW models include an surtec/corrosion protection treatment and are painted flat black. Flanges are unplated, polished and surtec. Other finishes and paint colors are available upon request.
High Power Termination
FLANGE TYPE DESIGNATIONS INFORMATION

The post Low Power Min (Short) Termination appeared first on DOLPH MICROWAVE.

]]> Standard Waveguide_High-Power Waveguide Coaxial Adapter https://www.dolphmicrowave.com/product/standard-waveguide_high-power-waveguide-coaxial-adapter/ Thu, 05 Jun 2025 06:39:15 +0000 https://dolphmicrowave.com/?post_type=product&p=2687 Dolph Microwave High-Power Waveguide Coaxial Adapter​​ precision adapters operate from ​​0.32 GHz to 112 GHz​​ across WR-2300 to WR-10 sizes. Featuring ultra-low ​​1.2:1 VSWR​​, ​​0.25 dB insertion loss​​, and ​​1,500W power handling​​, these all-metal adapters deliver unmatched signal integrity for radar, SATCOM, and 5G infrastructure. Connectors include ​​N-type, 2.92mm (K), and 7-16 DIN.​

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Product Overview​

Dolph Microwave’s premium waveguide-to-coaxial adapters bridge waveguide transmission lines and coaxial interfaces with uncompromising precision. Engineered for high-power applications from ​​1.72 GHz to 67 GHz​​, these adapters support WR sizes spanning WR-2300 to WR-10 and feature industry-standard coaxial connectors (7-16 DIN, N-type, 2.92mm/K, 1.85mm/V). With exceptional voltage standing wave ratio (VSWR) performance as low as ​​1.2:1​​ and insertion loss capped at ​​0.25 dB​​, they ensure signal integrity in critical communications infrastructure. All-metal construction eliminates dielectric beads, maximizing power handling to ​​1,500W average​​ in lower bands.

​​Key Features & Engineering Superiority​​

  • ​​High-Power Design​​: Robust all-metal (Al/Cu) construction withstands up to 1,500W average power (lower frequencies), ideal for radar and satcom.
  • ​​Ultra-Low VSWR​​: Maintains ≤1.2:1 VSWR across bands, minimizing signal reflections.
  • ​​Precision Air Line Connectors​​: Grounded center conductor and air dielectric interface reduce passive intermodulation (PIM).
  • ​​Space-Quality Option​​: Low-outgassing variants (TML/RML <1%, CVCM <0.1%) available for vacuum environments.
  • ​​Corrosion Resistance​​: SurTec-treated aluminum flanges with chromate conversion and flat black paint (custom finishes optional).

​​Critical Applications​​

  • Radar systems (airborne/ground-based)
  • Satellite communication (SATCOM) payloads
  • 5G/6G wireless base station backhaul
  • RF testing & measurement (lab/field)
  • Military and aerospace communications
MODEL FREQ. RANGE (GHz) WG SIZE VSWR IL (dB) CONNECTOR Type AVG. POWER (W) FlANGES TYPE MATERIAL FINISH DATASHEET
COVER GROOVED
DH-3WHPCA… 0.32-0.49 WR2300 1.2:1 0.25 7-16, N-K 1500 UDR3 PDR3 AI Chromate/Painted PDF STEP
DH-3WHPECA… 0.32-0.49 WR2300 1.2:1 0.25 7-16, N-K 1500 UDR3 PDR3 AI Chromate/Painted PDF STEP
DH-4WHPCA… 0.35-0.53 WR2100 1.2:1 0.25 7-16, N-K 1500 UDR4 PDR4 AI Chromate/Painted PDF STEP
DH-4WHPECA… 0.35-0.53 WR2100 1.2:1 0.25 7-16, N-K 1500 UDR4 PDR4 AI Chromate/Painted PDF STEP
DH-5WHPCA… 0.41-0.62 WR1800 1.2:1 0.25 7-16, N-K 1500 UDR5 PDR5 AI Chromate/Painted PDF STEP
DH-5WHPECA… 0.41-0.62 WR1800 1.2:1 0.25 7-16, N-K 1500 UDR5 PDR5 AI Chromate/Painted PDF STEP
DH-6WHPCA… 0.49-0.75 WR1500 1.2:1 0.25 7-16, N-K 1500 UDR6 PDR6 AI Chromate/Painted PDF STEP
DH-6WHPECA… 0.49-0.75 WR1500 1.2:1 0.25 7-16, N-K 1500 UDR6 PDR6 AI Chromate/Painted PDF STEP
DH-8WHPCA… 0.64-0.98 WR1150 1.2:1 0.25 7-16, N-K 1500 UDR8 PDR8 AI Chromate/Painted PDF STEP
DH-8WHPECA… 0.64-0.98 WR1150 1.2:1 0.25 7-16, N-K 1500 UDR8 PDR8 AI Chromate/Painted PDF STEP
DH-9WHPCA… 0.76-1.15 WR975 1.2:1 0.25 7-16, N-K 1500 UDR9 PDR9 AI Chromate/Painted PDF STEP
DH-9WHPECA… 0.76-1.15 WR975 1.2:1 0.25 7-16, N-K 1200 UDR9 PDR9 AI Chromate/Painted PDF STEP
DH-12WHPCA… 0.96-1.46 WR770 1.2:1 0.25 7-16, N-K 1200 UDR12 PDR12 AI Chromate/Painted PDF STEP
DH-12WHPECA… 0.96-1.46 WR770 1.2:1 0.25 7-16, N-K 1200 UDR12 PDR12 AI Chromate/Painted PDF STEP
DH-14WHPCA… 1.13-1.73 WR650 1.2:1 0.25 7-16, N-K 1200 UDR14 PDR14 AI Chromate/Painted PDF STEP
DH-14WHPECA… 1.13-1.73 WR650 1.2:1 0.25 7-16, N-K 1200 UDR14 PDR14 AI Chromate/Painted PDF STEP
DH-18WHPCA… 1.45-2.2 WR510 1.2:1 0.25 7-16, N-K 1200 UDR18 PDR18 AI Chromate/Painted PDF STEP
DH-18WHPECA… 1.45-2.2 WR510 1.2:1 0.25 7-16, N-K 800 UDR18 PDR18 AI Chromate/Painted PDF STEP
DH-22WHPCA… 1.72-2.61 WR430 1.2:1 0.25 7-16, N-K 800 UDR22 PDR22 AI Chromate/Painted PDF STEP
DH-22WHPECA… 1.72-2.61 WR430 1.2:1 0.25 7-16, N-K 800 UDR22 PDR22 AI Chromate/Painted PDF STEP
DH-26WHPCA… 2.17-3.3 WR340 1.2:1 0.25 7-16, N-K 800 UDR26 PDR26 AI Chromate/Painted PDF STEP
DH-26WHPECA… 2.17-3.3 WR340 1.2:1 0.25 7-16, N-K 800 UDR26 PDR26 AI Chromate/Painted PDF STEP
DH-32WHPCA… 2.6-3.95 WR284 1.2:1 0.25 7-16, N-K 800 UDR32 PDR32 Al/Cu Chromate/Painted PDF STEP
DH-32WHPECA… 2.6-3.95 WR284 1.2:1 0.25 7-16, N-K 800 UDR32 PDR32 Al/Cu Chromate/Painted PDF STEP
DH-40WHPCA… 3.22-4.9 WR229 1.2:1 0.25 N, SMA-K 800 UDR40 PDR40 Al/Cu Chromate/Painted PDF STEP
DH-40WHPECA… 3.22-4.9 WR229 1.2:1 0.25 N, SMA-K 800 UDR40 PDR40 Al/Cu Chromate/Painted PDF STEP
DH-48WHPCA… 3.94-5.99 WR187 1.2:1 0.25 N, SMA-K 800 UDR48 PDR348 Al/Cu Chromate/Painted PDF STEP
DH-48WHPECA… 3.94-5.99 WR187 1.2:1 0.25 N, SMA-K 800 UDR48 PDR348 Al/Cu Chromate/Painted PDF STEP
DH-58WHPCA… 4.64-7.05 WR159 1.2:1 0.25 N, SMA-K 500 UDR58 PDR58 Al/Cu Chromate/Painted PDF STEP
DH-58WHPECA… 4.64-7.05 WR159 1.2:1 0.25 N, SMA-K 500 UDR58 PDR58 Al/Cu Chromate/Painted PDF STEP
DH-70WHPCA… 5.38-8.17 WR137 1.2:1 0.25 N, SMA-K 500 UDR70 PDR70 Al/Cu Chromate/Painted PDF STEP
DH-70WHPECA… 5.38-8.17 WR137 1.2:1 0.25 N, SMA-K 500 UDR70 PDR70 Al/Cu Chromate/Painted PDF STEP
DH-84WHPCA… 6.57-9.99 WR112 1.2:1 0.25 N, SMA-K 500 UDR84/UBR84 PDR84/PBR84 Al/Cu Chromate/Painted PDF STEP
DH-84WHPECA… 6.57-9.99 WR112 1.2:1 0.25 N, SMA-K 500 UDR84/UBR84 PDR84/PBR84 Al/Cu Chromate/Painted PDF STEP
DH-100WHPCA… 8.2-12.5 WR90 1.2:1 0.25 N, SMA-K 400 UDR100/UBR100 PDR100/PBR100 Al/Cu Chromate/Painted PDF STEP
DH-100WHPECA… 8.2-12.5 WR90 1.2:1 0.25 N, SMA-K 400 UDR100/UBR100 PDR100/PBR100 Al/Cu Chromate/Painted PDF STEP
DH-120WHPCA… 9.84-15 WR75 1.2:1 0.25 N, SMA-K 400 UBR120 PBR120 Al/Cu Chromate/Painted PDF STEP
DH-120WHPECA… 9.84-15 WR75 1.2:1 0.25 N, SMA-K 400 UBR120 PBR120 Al/Cu Chromate/Painted PDF STEP
DH-140WHPCA… 11.9-18 WR62 1.2:1 0.25 N, SMA-K 400 UBR140 PBR140 Al/Cu Chromate/Painted PDF STEP
DH-140WHPECA… 11.9-18 WR62 1.2:1 0.25 N, SMA-K 400 UBR140 PBR140 Al/Cu Chromate/Painted PDF STEP
DH-180WHPCA… 14.5-22 WR51 1.2:1 0.25 SMA-K 100 UBR180 PBR180 Al/Cu Chromate/Painted PDF STEP
DH-180WHPECA… 14.5-22 WR51 1.2:1 0.25 SMA-K 100 UBR180 PBR180 Al/Cu Chromate/Painted PDF STEP
DH-220WHPCA… 17.6-26.7 WR42 1.2:1 0.25 SMA-K 100 UBR220 PBR220 Al/Cu Chromate/Painted PDF STEP
DH-220WHPECA… 17.6-26.7 WR42 1.2:1 0.25 SMA-K 100 UBR220 PBR220 Al/Cu Chromate/Painted PDF STEP
DH-260WHPCA… 21.7-33 WR34 1.2:1 0.25 2.92-K 50 UBR260 PBR260 Al/Cu Chromate/Painted PDF STEP
DH-260WHPECA… 21.7-33 WR34 1.2:1 0.25 2.92-K 50 UBR260 PBR260 Al/Cu Chromate/Painted PDF STEP
DH-320WHPCA… 26.3-40 WR28 1.2:1 0.25 2.92-K 50 UBR320 PBR320 Al/Cu Chromate/Painted PDF STEP
DH-320WHPECA… 26.3-40 WR28 1.2:1 0.25 2.92-K 50 UBR320 PBR320 Al/Cu Chromate/Painted PDF STEP
DH-400WHPCA… 32.9-50.1 WR22 1.2:1 0.3 2.4-K 50 FUGP400/UG-383U/M Al/Cu Chromate/Painted PDF STEP
DH-400WHPECA… 32.9-50.1 WR22 1.2:1 0.3 2.4-K 50 FUGP400/UG-383U/M Al/Cu Chromate/Painted PDF STEP
DH-500WHPCA… 39.2-59.6 WR19 1.3:1 0.3 2.4, 1.85-K 50 FUGP500/UG-383U/M Al/Cu Chromate/Painted PDF STEP
DH-500WHPECA… 39.2-59.6 WR19 1.3:1 0.3 2.4, 1.85-K 50 FUGP500/UG-383U/M Al/Cu Chromate/Painted PDF STEP
DH-620WHPCA… 49.8-75.8 WR15 1.35:1 0.5 2.4, 1.85-K 50 FUGP620/UG-385U/M Al/Cu Chromate/Painted PDF STEP
DH-620WHPECA… 49.8-75.8 WR15 1.35:1 0.5 2.4, 1.85-K 50 FUGP620/UG-385U/M Al/Cu Chromate/Painted PDF STEP
DH-740WHPCA… 60.5-91.9 WR12 1.4:1 1 1.0-K 50 FUGP740/UG-387U/M Al/Cu Chromate/Painted PDF STEP
DH-740WHPECA… 60.5-91.9 WR12 1.4:1 1 1.0-K 50 FUGP740/UG-387U/M Al/Cu Chromate/Painted PDF STEP
DH-900WHPCA… 73.8-112 WR10 1.4:1 1 1.0-K 50 FUGP900/UG-387U/M Al/Cu Chromate/Painted PDF STEP
DH-900WHPECA… 73.8-112 WR10 1.4:1 1 1.0-K 50 FUGP900/UG-387U/M Al/Cu Chromate/Painted PDF STEP
Part Number Guide: DH-100WHPCANKPA
"100"—Waveguide Size | WR90
"WHPCA"—Waveguide Type | High Power Right Angle Waveguide to Coaxial Adapter
"WHPECA"—Waveguide Type | High Power End Launch Waveguide to Coaxial Adapter
"N"— Connector Type | N-type
"T"— Connector Type | TNC-type
"SMA"— Connector Type | SMA
"2.92"— Connector Type | 2.92mm
"K"— Interface Type | Female
"J"— Interface Type | Male
"P"— Flange Type | Rectangular Cover
"M"— Flange Type | Rectangular Grooved
"A/C"— Material | Aluminium, Cu
Note:
All Dolph-MW models include an surtec/corrosion protection treatment and are painted flat black. Flanges are unplated, polished and surtec. Other finishes and paint colors are available upon request.
High Power Termination
FLANGE TYPE DESIGNATIONS INFORMATION

The post Standard Waveguide_High-Power Waveguide Coaxial Adapter appeared first on DOLPH MICROWAVE.

]]> High Power Waveguide Rotating Joint https://www.dolphmicrowave.com/product/high-power-waveguide-rotating-joint/ Thu, 05 Jun 2025 06:39:12 +0000 https://dolphmicrowave.com/?post_type=product&p=2686 Dolph Microwave High Power Waveguide Rotating Joint​​ enables seamless transfer of high-power RF signals (up to ​​12,000 Watts​​ at S-band) between stationary and rotating assemblies in critical radar and satellite systems. Engineered with ​​double bearings​​, ​​precision seals​​ (IP65 rating), and ​​≤ 0.2 dB insertion loss​​, it ensures exceptional performance, durability, and reliability across ​​1.72 to 40.0 GHz​​ frequencies.

The post High Power Waveguide Rotating Joint appeared first on DOLPH MICROWAVE.

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​​Product Overview:​​

Dolph Microwave’s High Power Waveguide Rotary Joints are precision-engineered components critical for the seamless transmission of RF energy between stationary and rotating platforms within demanding radar systems and satellite communication antennas. Engineered to operate under rigorous conditions, these joints ensure continuous signal integrity and power transfer essential for modern phased array radars, satcom terminals, and electronic warfare systems. Designs undergo rigorous simulation and physical testing, including verification at maximum peak power levels prior to delivery.

​​Key Features & Engineering Excellence:​​

  • ​​Robust Power Handling:​​ Specifically engineered for pressurized waveguide systems demanding maximum power transfer. Designs incorporate features like double-bearing assemblies and precision-engineered seals, ensuring reliable operation and maintaining pressurization integrity even under high continuous (CW) and peak power loads (e.g., 12 kW average at 2 GHz down to 300 W at 40 GHz as per datasheet).
  • ​​Minimal Insertion Loss:​​ Optimized transmission paths yield insertion loss as low as ​​0.2 dB​​ across the operational band (reference datasheet VSWR/IL specs), significantly boosting system signal-to-noise ratio (SNR) and radar detection range.
  • ​​High Channel Isolation:​​ Provides effective isolation between channels, minimizing interference and crosstalk crucial for multi-functional or multi-channel systems.
  • ​​Enhanced Durability & Longevity:​​ Built for critical, high-duty-cycle applications. The combination of robust materials (Aluminum or Copper alloy), advanced bearing designs, and corrosion-resistant finishes (standard chromate conversion plus painted flat black) ensures exceptional operational lifespan and reliability in harsh environments.
  • ​​Versatile Configurations:​​ Available in standard U-Style (90° bend), L-Style, and In-line orientations (indicated by the I/L/U suffix in the model number) to accommodate diverse mechanical and waveguide routing requirements.
  • ​​Environmental Protection:​​ Standard IP65 rating ensures protection against dust ingress and water jets, suitable for demanding operational environments.

​​Primary Applications:​​

These high-performance rotary joints are indispensable in systems where uninterrupted rotation and reliable high-power RF transmission are paramount:

  • ​​Phased Array & Surveillance Radar Systems​​ (Ground-based, Naval, Airborne)
  • ​​Satellite Communication (SATCOM)​​ Earth Station Antennas (Tracking antennas, VSAT)
  • ​​Electronic Warfare (EW)​​ and Signal Intelligence (SIGINT) Platforms
  • ​​Aerospace & Defense​​ Systems (Missile seekers, airborne radar)
  • ​​High-Power Wireless Testing Equipment​​ (ATE systems, anechoic chambers)
  • ​​Advanced Medical Imaging Equipment​​ (e.g., high-field MRI requiring rotational components)
MODEL FREQ RANGE (GHz) OPERATING BW VSWR (Max) IL(dB) (Max) AVG. POWER (W) FLANGES TYPE INGRESS PROTECTION MATERIAL FINISH DATASHEET
COVER GROOVED
DH-22WHPJI 1.72-2.61 10% 1.15:1 0.2 12000 UDR32 PDR32 IP65 Al/Cu Chromate/Painted PDF STEP
DH-22WHPJL 1.72-2.61 10% 1.15:1 0.2 12000 UDR32 PDR32 IP65 Al/Cu Chromate/Painted PDF STEP
DH-22WHPJU 1.72-2.61 10% 1.15:1 0.2 12000 UDR32 PDR32 IP65 Al/Cu Chromate/Painted PDF STEP
DH-32WHPJI 2.60-3.95 10% 1.15:1 0.2 10000 UDR32 PDR32 IP65 Al/Cu Chromate/Painted PDF STEP
DH-32WHPJL 2.60-3.95 10% 1.15:1 0.2 10000 UDR32 PDR32 IP65 Al/Cu Chromate/Painted PDF STEP
DH-32WHPJU 2.60-3.95 10% 1.15:1 0.2 10000 UDR32 PDR32 IP65 Al/Cu Chromate/Painted PDF STEP
DH-40WHPJI 3.22-4.90 10% 1.15:1 0.2 3000 UDR40 PDR40 IP65 Al/Cu Chromate/Painted PDF STEP
DH-40WHPJL 3.22-4.90 10% 1.15:1 0.2 3000 UDR40 PDR40 IP65 Al/Cu Chromate/Painted PDF STEP
DH-40WHPJU 3.22-4.90 10% 1.15:1 0.2 3000 UDR40 PDR40 IP65 Al/Cu Chromate/Painted PDF STEP
DH-48WHPJI 3.94-5.99 10% 1.15:1 0.2 3000 UDR48 PDR348 IP65 Al/Cu Chromate/Painted PDF STEP
DH-48WHPJL 3.94-5.99 10% 1.15:1 0.2 3000 UDR48 PDR348 IP65 Al/Cu Chromate/Painted PDF STEP
DH-48WHPJU 3.94-5.99 10% 1.15:1 0.2 3000 UDR48 PDR348 IP65 Al/Cu Chromate/Painted PDF STEP
DH-58WHPJI 4.64-7.05 10% 1.15:1 0.2 3000 UDR58 PDR58 IP65 Al/Cu Chromate/Painted PDF STEP
DH-58WHPJL 4.64-7.05 10% 1.15:1 0.2 3000 UDR58 PDR58 IP65 Al/Cu Chromate/Painted PDF STEP
DH-58WHPJU 4.64-7.05 10% 1.15:1 0.2 3000 UDR58 PDR58 IP65 Al/Cu Chromate/Painted PDF STEP
DH-70WHPJI 5.38-8.17 10% 1.15:1 0.2 2000 UDR70 PDR70 IP65 Al/Cu Chromate/Painted PDF STEP
DH-70WHPJL 5.38-8.17 10% 1.15:1 0.2 2000 UDR70 PDR70 IP65 Al/Cu Chromate/Painted PDF STEP
DH-70WHPJU 5.38-8.17 10% 1.15:1 0.2 2000 UDR70 PDR70 IP65 Al/Cu Chromate/Painted PDF STEP
DH-84WHPJI 6.57-9.99 10% 1.2:1 0.2 2000 UDR84/UBR84 PDR84/PBR84 IP65 Al/Cu Chromate/Painted PDF STEP
DH-84WHPJL 6.57-9.99 10% 1.2:1 0.2 2000 UDR84/UBR84 PDR84/PBR84 IP65 Al/Cu Chromate/Painted PDF STEP
DH-84WHPJU 6.57-9.99 10% 1.2:1 0.2 2000 UDR84/UBR84 PDR84/PBR84 IP65 Al/Cu Chromate/Painted PDF STEP
DH-100WHPJI 8.20-12.4 10% 1.2:1 0.2 2000 UDR100/UBR100 PDR100/PBR100 IP65 Al/Cu Chromate/Painted PDF STEP
DH-100WHPJL 8.20-12.4 10% 1.2:1 0.2 2000 UDR100/UBR100 PDR100/PBR100 IP65 Al/Cu Chromate/Painted PDF STEP
DH-100WHPJU 8.20-12.4 10% 1.2:1 0.2 2000 UDR100/UBR100 PDR100/PBR100 IP65 Al/Cu Chromate/Painted PDF STEP
DH-120WHPJI 9.84-15.0 10% 1.2:1 0.2 1000 UBR120 PBR120 IP65 Al/Cu Chromate/Painted PDF STEP
DH-120WHPJL 9.84-15.0 10% 1.2:1 0.2 1000 UBR120 PBR120 IP65 Al/Cu Chromate/Painted PDF STEP
DH-120WHPJU 9.84-15.0 10% 1.2:1 0.2 1000 UBR120 PBR120 IP65 Al/Cu Chromate/Painted PDF STEP
DH-140WHPJI 11.9-18.0 10% 1.25:1 0.2 2000 UBR140 PBR140 IP65 Al/Cu Chromate/Painted PDF STEP
DH-140WHPJL 11.9-18.0 10% 1.25:1 0.2 2000 UBR140 PBR140 IP65 Al/Cu Chromate/Painted PDF STEP
DH-140WHPJU 11.9-18.0 10% 1.25:1 0.2 2000 UBR140 PBR140 IP65 Al/Cu Chromate/Painted PDF STEP
DH-180WHPJI 14.5-22.0 10% 1.25:1 0.25 500 UBR180 PBR180 IP65 Al/Cu Chromate/Painted PDF STEP
DH-180WHPJL 14.5-22.0 10% 1.25:1 0.25 500 UBR180 PBR180 IP65 Al/Cu Chromate/Painted PDF STEP
DH-180WHPJU 14.5-22.0 10% 1.25:1 0.25 500 UBR180 PBR180 IP65 Al/Cu Chromate/Painted PDF STEP
DH-220WHPJI 17.6-26.7 10% 1.25:1 0.25 500 UBR220 PBR220 IP65 Al/Cu Chromate/Painted PDF STEP
DH-220WHPJL 17.6-26.7 10% 1.25:1 0.25 500 UBR220 PBR220 IP65 Al/Cu Chromate/Painted PDF STEP
DH-220WHPJU 17.6-26.7 10% 1.25:1 0.25 500 UBR220 PBR220 IP65 Al/Cu Chromate/Painted PDF STEP
DH-260WHPJI 21.7-33.0 10% 1.25:1 0.25 300 UBR260 PBR260 IP65 Al/Cu Chromate/Painted PDF STEP
DH-260WHPJL 21.7-33.0 10% 1.25:1 0.25 300 UBR260 PBR260 IP65 Al/Cu Chromate/Painted PDF STEP
DH-260WHPJU 21.7-33.0 10% 1.25:1 0.25 300 UBR260 PBR260 IP65 Al/Cu Chromate/Painted PDF STEP
DH-320WHPJI 26.3-40.0 10% 1.25:1 0.25 300 UBR320 PBR320 IP65 Al/Cu Chromate/Painted PDF STEP
DH-320WHPJL 26.3-40.0 10% 1.25:1 0.25 300 UBR320 PBR320 IP65 Al/Cu Chromate/Painted PDF STEP
DH-320WHPJU 26.3-40.0 10% 1.25:1 0.25 300 UBR320 PBR320 IP65 Al/Cu Chromate/Painted PDF STEP
Part Number Guide: DH-100WHPJI/L/UPMA400
"100"—Waveguide Size | WHP90
"WHPJ"—Waveguide Type | High Power Waveguide Rotating Joint
"I/L/U"— Joint Style | I, L, U-Shape
"P"— Flange Type | Rectangular Flat
"M"— Flange Type | Rectangular Grooved
"A/C"— Material | Aluminium, Cu
"400"— Power Rating | 400 W CW.
Note:
All Dolph-MW models include an surtec/corrosion protection treatment and are painted flat black. Flanges are unplated, polished and surtec. Other finishes and paint colors are available upon request.
High Power Termination
FLANGE TYPE DESIGNATIONS INFORMATION

The post High Power Waveguide Rotating Joint appeared first on DOLPH MICROWAVE.

]]> High Power Water-Cooled Loads https://www.dolphmicrowave.com/product/high-power-water-cooled-loads/ Thu, 05 Jun 2025 06:39:10 +0000 https://dolphmicrowave.com/?post_type=product&p=2685 Dolph Microwave High Power Water-Cooled Waveguide Loads​​ provide unmatched termination for demanding RF systems, reliably handling up to ​​150 kW average power​​ with exceptional heat dissipation via integral water cooling. Engineered with ultra-high temperature ​​refractory ceramic​​ absorbers within robust welded ​​aluminum housings​​ and compliant with ​​MIL-D-3954​​, they ensure safety, low VSWR (≤1.2:1), and critical system protection.

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Product Introduction:​​

Dolph Microwave High Power Water-Cooled Waveguide Loads are engineered microwave termination solutions designed for demanding applications requiring exceptional power handling and heat dissipation. Utilizing internal water circulation, these loads reliably absorb and dissipate high levels of RF/microwave energy (up to 150 kW average power) to protect sensitive components.

Constructed with ultra-high temperature ​​refractory ceramic​​ absorbers housed within robust ​​welded aluminum​​ structures, they deliver unmatched durability and thermal efficiency. Manufactured to ​​MIL-D-3954​​ standards, Dolph loads provide consistent VSWR performance ≤ 1.2:1 across specified waveguide bands from WR975 down to WR28.

​​Key Features and Benefits:​​

Dolph Microwave water-cooled waveguide loads excel through a combination of robust engineering and optimized thermal management. Central to their performance is an ​​ultra-high temperature refractory ceramic​​ microwave absorber, ensuring stable absorption characteristics even under intense thermal loads.

This critical component is housed within a precision ​​welded aluminum structure​​, designed to maximize thermal conductivity and cooling efficiency while maintaining excellent ​​mechanical strength​​. Internal water flow provides exceptional heat dissipation capabilities, significantly enhancing ​​average power handling​​ (up to 150 kW) far beyond air-cooled alternatives, resulting in a ​​very low cost per kilowatt​​.

The design includes an ​​integrated fine matcher​​ at the input for optimal impedance matching, minimizing reflected power. Cooling interfaces feature standardized ​​Push-in fitting QS or NPT​​ connections for reliable coolant integration. All materials contacting the coolant are rigorously selected for safety and compatibility.

The ​​Silicone-based Pyromark 1200​​ flat black coating ensures superior thermal radiation and protection. Compliant with ​​MIL-D-3954​​, these loads meet stringent military-grade performance specifications. Optional corrosion protection (​​Surtec​​) and polished flanges are standard, with custom finishes available upon request.

​​Primary Applications:​​

These water-cooled loads are indispensable in environments demanding termination of high RF power. Critical uses include ​​high-power RF system protection​​ where absorbing transmitter energy is essential for safety and equipment longevity.

They are widely utilized in advanced ​​research and high-energy physics devices​​ such as particle accelerators and plasma heating systems. ​​Industrial microwave equipment​​ relying on consistent, high-power sources for processing also depends on these robust terminations.

Additionally, they serve a vital role in ​​test and measurement​​ setups for amplifiers, transmitters, and microwave sources, where accurate, low-VSWR loading is required to validate performance under operational conditions.

MODEL FREQUENCY RANGE (GHz) WG SIZE VSWR Max. POWER RATING CW (KW) COOLING METHOD INLET WATER TEMP OUTPUT WATER TEMP WATER VALVES CONNECTOR WATER TUBING O.D. (mm) FLANGES TYPE MATERIAL DATASHEET
COVER
DH-9WWHPL… 0.76-1.15 WR975 1.2:1 50~150 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR9 Al PDF STEP
DH-12WWHPL… 0.96-1.46 WR770 1.2:1 50~150 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR12 Al PDF STEP
DH-14WWHPL… 1.13-1.73 WR650 1.2:1 50~150 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR14 Al PDF STEP
DH-22WWHPL… 1.72-2.61 WR430 1.2:1 10~60 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR22 Al PDF STEP
DH-26WWHPL… 2.17-3.3 WR340 1.2:1 10~50 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR26 Al PDF STEP
DH-32WWHPL… 2.6-3.95 WR284 1.2:1 3~12 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR32 Al PDF STEP
DH-40WWHPL… 3.22-4.9 WR229 1.2:1 3~12 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR40 Al PDF STEP
DH-48WWHPL… 3.94-5.99 WR187 1.2:1 3~12 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR48 Al PDF STEP
DH-58WWHPL… 4.64-7.05 WR159 1.2:1 3~10 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR58 Al PDF STEP
DH-70WWHPL… 5.38-8.17 WR137 1.2:1 1~10 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR70 Al PDF STEP
DH-84WWHPL… 6.57-9.99 WR112 1.2:1 1~10 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR84/UBR84 Al PDF STEP
DH-100WWHPL… 8.2-12.5 WR90 1.2:1 1~10 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UDR100/UBR100 Al PDF STEP
DH-120WWHPL… 9.84-15 WR75 1.2:1 1~10 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UBR120 Al PDF STEP
DH-140WWHPL… 11.9-18 WR62 1.2:1 0.5-5 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UBR140 Al PDF STEP
DH-180WWHPL… 14.5-22 WR51 1.2:1 0.5-5 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UBR180 Al PDF STEP
DH-220WWHPL… 17.6-26.7 WR42 1.2:1 0.5-5 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UBR220 Al PDF STEP
DH-260WWHPL… 21.7-33 WR34 1.2:1 0.5-5 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UBR260 Al PDF STEP
DH-320WWHPL… 26.3-40 WR28 1.2:1 0.5-5 Water Cooled 15°C to 40°C 85°C Push-In Fitting QS 10, 12, 16 UBR320 Al PDF STEP
Part Number Guide: DH-100WWHPL5000PA
"100"—Waveguide Size | WR90
"WWHPL"—Waveguide Type | High Power Water-Cooled Loads
"5000"— Power Rating | 5000 W CW.
"P"— Flange Type | Rectangular Flat
"M"— Flange Type | Rectangular Grooved
"A/C"— Material | Aluminium, Cu
Note:
All Dolph-MW models include an surtec/corrosion protection treatment and are painted flat black. Flanges are unplated, polished and surtec. Other finishes and paint colors are available upon request.
High Power Termination
FLANGE TYPE DESIGNATIONS INFORMATION

The post High Power Water-Cooled Loads appeared first on DOLPH MICROWAVE.

]]> Bulkhead Feedthrus https://www.dolphmicrowave.com/product/bulkhead-feedthrus/ Thu, 05 Jun 2025 06:39:03 +0000 https://dolphmicrowave.com/?post_type=product&p=2682 Dolph Microwave Bulkhead Feedthrus​​ provide hermetic waveguide penetration solutions for pressurized enclosures and cabinets. Covering WR-28 to WR-284 standards with ultra-low VSWR (<1.10), these precision-engineered feedthroughs ensure reliable signal integrity in military, aerospace, and communication systems. Features include corrosion-resistant plating, military-spec sealing, and EMI shielding for critical infrastructure applications.

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Product Description:

Engineered for critical EMI shielding and pressure boundary integrity, Dolph Microwave Bulkhead Feedthrus enable reliable waveguide penetration through pressurized walls/cabinets. Covering WR-28 to WR-284 standards with industry-leading VSWR ≤1.05:1, these MIL-spec units feature hermetic sealing (neoprene/silicone gaskets) and military-grade finishes for aerospace and defense systems.

​​Key Technical Features:​​

​​Ultra-Low Signal Loss​​:

  • Guaranteed VSWR ≤ 1.05:1 across all models
  • Pressure Boundary Compliance​​: Heavy-duty flanges with integrated neoprene/silicone gaskets ensure IP-rated sealing
  • ​​Military Durability​​: Silver-plated brass or chem-film aluminum per QQ-S-365D Class A / MIL-C-5541E
  • Precision Integration​​: Includes SS hardware, backing rings, and SurTec corrosion protection
  • ​​Broad Compatibility​​: Supports rectangular (WR-28 to WR-284) and double-ridge (WRD-180 to WRD-475) waveguides

​​Performance Specifications:​​

  • ​​Frequency Coverage​​: 2.6 GHz to 40 GHz
  • VSWR​​: ≤1.05:1 (validated per model datasheet)
  • ​​Flange Options​​: UDR/UBR grooved or PDR/PBR cover types
  • ​​Materials​​: MIL-C-5541E aluminum (standard), QQ-S-365D silver-plated brass (optional)
  • ​​Environmental Protection​​: Standard black SurTec coating with optional finishes
MODEL FREQ. RANGE (GHz) WG SIZE VSWR FLANGES TYPE DIMENSIONS (mm) MATERIAL DATASHEET
COVER GROOVED A B C D
DH-32BFU… 2.6-3.95 WR284 1.05:1 UDR32 PDR32 108 41.4 165.1 184 Al DWG STEP
DH-40BFU… 3.22-4.9 WR229 1.05:1 UDR40 PDR40 108 41.4 152.4 171 Al DWG STEP
DH-48BFU… 3.94-5.99 WR187 1.05:1 UDR48 PDR348 108 41.4 133.35 152.4 Al DWG STEP
DH-58BFU… 4.64-7.05 WR159 1.05:1 UDR58 PDR58 108 41.4 133.35 152.4 Al DWG STEP
DH-70BFU… 5.38-8.17 WR137 1.05:1 UDR70 PDR70 108 41.4 101.6 121 Al DWG STEP
DH-84BFU… 6.57-9.99 WR112 1.05:1 UDR84/UBR84 PDR84/PBR84 108 41.4 82.6 101.6 Al DWG STEP
DH-100BFU… 8.2-12.5 WR90 1.05:1 UDR100/UBR100 PDR100/PBR100 95.3 35.1 73.2 88.9 Al DWG STEP
DH-120BFU… 9.84-15 WR75 1.05:1 UBR120 PBR120 95.3 35.1 73.2 88.9 Al DWG STEP
DH-140BFU… 11.9-18 WR62 1.05:1 UBR140 PBR140 76.2 25.4 66.8 82.55 Al DWG STEP
DH-180BFU… 14.5-22 WR51 1.05:1 UBR180 PBR180 76.2 25.4 63.5 76.2 Al DWG STEP
DH-220BFU… 17.6-26.7 WR42 1.05:1 UBR220 PBR220 76.2 25.4 63.5 76.2 Al DWG STEP
DH-260BFU… 21.7-33 WR34 1.05:1 UBR260 PBR260 76.2 25.4 63.5 76.2 Al DWG STEP
DH-320BFU… 26.3-40 WR28 1.05:1 UBR320 PBR320 76.2 25.4 63.5 76.2 Al DWG STEP
Part Number Guide: DH-100BFUPMA
"100"—Waveguide Size | WR90
"BFU"—Waveguide Type | Bulkhead Feedthrus
"P"— Flange Type | Rectangular Flat
"M"— Flange Type | Rectangular Grooved
"A/C"— Material | Aluminium, Cu
Note:
All Dolph-MW models include an surtec/corrosion protection treatment and are painted flat black. Flanges are unplated, polished and surtec. Other finishes and paint colors are available upon request.
High Power Termination
FLANGE TYPE DESIGNATIONS INFORMATION

The post Bulkhead Feedthrus appeared first on DOLPH MICROWAVE.

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