1,465 Waveguide Attenuators
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38 Manufacturers
1,465 Products
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38 Manufacturers
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What are Waveguide Attenuators?
Waveguide Attenuators are passive microwave components used to introduce a known and controlled level of attenuation in waveguide transmission systems. They are commonly used in radar, satellite communication, test and measurement, and high-power RF systems where waveguide transmission is preferred due to its low loss and high power handling capability.
Key specifications include waveguide band (WR designations such as WR-90, WR-42, etc.), attenuation level (fixed or variable), frequency range, power handling capability, VSWR, and insertion loss. Accurate attenuation and low reflection are critical for maintaining signal integrity in high-frequency waveguide systems. Other important parameters include temperature stability, mechanical precision, and repeatability of attenuation performance.
The architecture of waveguide attenuators typically involves resistive or lossy dielectric materials introduced into the waveguide structure in a controlled manner. Common designs include resistive vane attenuators, rotary vane attenuators, and precision iris-based structures. These elements absorb a portion of the electromagnetic energy propagating through the waveguide, thereby reducing signal amplitude while maintaining mode integrity (typically TE10 mode).
Waveguide attenuators are widely used in radar transmit/receive chains, satellite ground stations, high-power RF testing, and microwave measurement systems. They are essential for power calibration, signal conditioning, and protecting sensitive receiver components from excessive RF power levels.
The Largest Database of Waveguide Attenuators
everything RF lists Waveguide Attenuators from the leading manufacturers. Use the parametric search tools to narrow down on Waveguide Attenuators based on your requirement. Once you find products that meet your specification, view product details, download the datasheet, compare products and request quotations. Inquiries generated via everything RF are directed to the manufacturers who get back to you with a quote or information.
