August 30, 2025

A waveguide antenna works by guiding high-frequency microwaves (e.g., 1-100 GHz) from a source to the radiating aperture with minimal loss. It functions as a precision transition, converting confined waveguide modes into free-space radiation, often achieving gains over 20 dBi for directional applications like radar or satellite communications. ​​What is a Waveguide?​​ They are crucial […]

To test waveguide components for signal loss, use a vector network analyzer (VNA) to measure insertion loss by comparing the transmitted signal power through the component to a known reference, typically aiming for losses below 0.1 dB in high-performance systems. Ensure proper flange alignment and calibration with thru-reflect-line (TRL) kits for millimeter-wave accuracy. ​​Understanding Signal