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September 5, 2025

Industrial Microwave Oven

What is An Industrial Microwave Oven

​An industrial microwave oven is a high-power system (typically 1-100 kW) using 915 MHz or 2.45 GHz frequencies for large-scale processing. These heavy-duty units feature magnetron arrays, conveyor belts (1-10 m/min speed), and temperature controls (±2°C accuracy). Applications include food drying (reducing 50% processing time), chemical synthesis, and rubber vulcanization, achieving 30% higher energy efficiency […]

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What is the difference between horn antenna and parabolic dish antenna

Horn antennas offer wide bandwidth (typically 10:1 ratio) with 10-20 dBi gain, ideal for short-range applications like radar feeds. Parabolic dishes achieve higher gain (30-50 dBi) through reflector focusing, but narrower bandwidth (5-10% of center frequency). Dishes provide 3° beamwidth at 10GHz vs. horns’ 25°, making dishes better for long-distance satellite links (60cm dishes reach

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Double Ridged Waveguides

What is Double Ridged Waveguides

​Double Ridged Waveguides are specialized microwave transmission structures featuring two internal ridges that lower cutoff frequencies while maintaining compact dimensions. Typically operating from 1-40 GHz, they offer 15-30% wider bandwidth than standard waveguides. The ridges reduce impedance to 50Ω, improving compatibility with coaxial systems. Precision-machined from aluminum or copper, they’re used in radar and satellite

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SATCOM ANTENNA

What is SATCOM ANTENNA

SATCOM antenna is a device used for satellite communication, and its operating frequency is usually between 1-30GHz. It enables data transmission between ground stations and satellites. For example, the Ku-band antenna has a diameter of about 0.9 meters and is suitable for high-speed Internet and video transmission. It needs to be precisely aligned with the

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What is a Standard Waveguide

A standard waveguide is a metal tube that transmits microwave signals. For example, the WR-90 waveguide operates at 8.2-12.4 GHz and has specific dimensions (22.86 mm wide × 10.16 mm high). It is used for efficient transmission and directional radiation. Frequency, loss and power capacity must be considered during design. Definition Satcom engineers know standard

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WRD650 Isolators | 8.0GHz – 18.0GHz | 250W Forward/ 200W Reverse | Isolation 15dB

May 28th, 2023 – Xi’an, SHAANXI – Dolph Microave, a design and manufacturer of superior waveguide components, antennas – is pleased to announce to announce the completion of the design and production of the 8-18GHz WRD650 waveguide isolator, It use a Y-junction structure housed in standard double ridge waveguide with one addition of a matched

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What is the design emphasis for Dolph Microwave’ circulators

Dolph Microwave places significant design emphasis on optimizing the selection and bias point of the ferrite material used in their circulators. This prioritization is aimed at minimizing the insertion loss and maximizing the isolation at the desired frequency, bandwidth, and power level. By carefully choosing and biasing the ferrite material, Dolph Microwave ensures that the circulators

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W-Band, 75-110GHz, WR10 Full band, Block Type Directional Couplers

Block type directional couplers are passive devices mainly used in the field of wireless technology. They couple the defined amount of electromagnetic power in the transmission line to the port, allowing the signal to be used in another circuit. Dolph Microwave’s DH-900WBDC25PPPPC broadband directional coupler is a wide walled porous energy coupling device operating in the

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Up to 330GHz. mmWave & Microwave Products

Excited to share you the highlights of our precision mmWave products in 2024: Standard Gain Horns, WG to Coaxial Adapters, Attenuators, Couplers, Power Dividers, Terminations, Isolators, Straights/Bends/Twists etc. We provide microwave products, assembly and engineering services for up to 330GHz. Customers ranges from telecom, government to university research, involving in military RADAR systems, EW units, Commercial RF solutions

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