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Dolph Microwave Designs And Manufactures For Precision Waveguide Components, Earth Station Antennas And Sub-Assemblies For Wireless, Satellite, Aerospace, Defence And Scientific Research

Why Material Choice Matters for Flange Shims
Material choice for flange shims affects sealing performance, corrosion resistance, and durability. Stainless steel (e.g., 316 SS) offers high strength and withstands temperatures up to

How Do Waveguide Bandpass Filters Work
Waveguide bandpass filters allow frequencies within a specific range, typically 1-10% bandwidth, to pass while rejecting others by over 40 dB. They use resonant cavities

How Long Can Waveguide Straight Sections Be
Waveguide straight sections can vary in length depending on the application, but typical lengths are from 25 cm to 2 meters. For optimal performance, ensure

How Does a Waveguide Magic Tee Function
A waveguide magic tee functions by splitting or combining microwave signals with minimal loss. It features four ports: two collinear and two side (difference) ports.

How to Design Waveguide Transitions Efficiently
Design waveguide transitions efficiently by maintaining impedance matching, critical for minimizing loss; aim for less than 0.05 dB insertion loss. Use electromagnetic simulation software to

How to Install Waveguide Terminations Safely
For safe installation of waveguide terminations, wear protective gear like gloves and goggles. Use a torque wrench set to 7 Nm to avoid over-tightening. Ensure

How to Position Waveguide Support Brackets
Position waveguide support brackets by first determining the optimal spacing, typically 1 to 2 meters apart, depending on the waveguide size and load. Align brackets
How to Tune Waveguide Notch Filters
To tune waveguide notch filters, first identify the resonant frequency using a network analyzer, typically varying from 1 GHz to 100 GHz. Adjust the notch

What Are Waveguide Junction Impedance Rules
Waveguide junction impedance rules dictate that impedance matching is crucial to minimize reflection and maximize power transfer. At a T-junction, for instance, the characteristic impedance

What Determines Waveguide Tubing Diameters
Waveguide tubing diameters are determined by the wavelength of the signal it needs to transmit. Typically, the broad wall dimension is about half the wavelength.

What Limits Waveguide High Pass Filters
Waveguide high pass filters are limited by factors like cutoff frequency, typically starting from 1GHz, and maximum power handling, often around 100W for smaller units.

What’s Inside a Waveguide Calibration Kit
A waveguide calibration kit includes components like shorts, opens, and loads for VSWR measurement, and sliding shorts for phase calibration. Typically, it contains items such

Why Are Waveguide Low Pass Filters Crucial
Waveguide low pass filters are crucial in RF and microwave circuits, reducing interference by attenuating frequencies above 1 GHz. They ensure signal purity, enhance system

When to Use Waveguide Flange Adapters
Waveguide flange adapters are used when connecting waveguide components with different flange types or sizes, ensuring minimal signal loss. They’re essential in systems operating above

Why Use Waveguide Dividers in Satellites
Waveguide dividers in satellites ensure precise signal distribution (0.1dB imbalance) across multiple transponders, handling high power (50W+) at Ka/Q bands (26-40GHz). Their low insertion loss

Why Use Waveguide Variable Attenuators
Waveguide variable attenuators provide precise RF power control (0-30dB range) with low insertion loss (<0.5dB). They handle high power (up to 100W) and frequencies (18-40GHz),

How Durable Are Waveguide Pressure Windows
Waveguide pressure windows typically withstand 50-100 psi differential pressure when constructed with 0.060″ thick alumina ceramic (Al₂O₃) for X-band (8-12 GHz) applications, exhibiting less than

How Thick Should Waveguide Shims Be
The thickness of waveguide shims depends on the required frequency adjustment and flange type, typically ranging from 0.001″ to 0.020″ (0.025-0.5mm) for standard WR-90 waveguides.

How to Calculate Waveguide Twist Specifications
When calculating waveguide twist specifications, engineers must account for the operating frequency range (e.g., 18-26.5 GHz for K-band WR-42 waveguide) and required polarization rotation (typically

How to Select Waveguide Detector Diodes
When selecting waveguide detector diodes, focus on matching the diode’s frequency range to your waveguide band (e.g., 26.5-40 GHz for Ka-band WR-28 systems), ensuring sensitivity

What Is a Waveguide Choke Flange Design
A choke flange suppresses RF leakage via a λ/4-deep groove (e.g., 7.5 mm for 10 GHz) around the mating surface. It uses annular slots to