EDN

SWR/Return Loss Measurements Using System IIA

Both SWR and Return Loss are a measure of the divergence of a microwave device from a perfect impedance match, for example, 50 W. They are mathematically interchangeable and result from scalar ...
Electronic Design

Bidirectional Bridge with Dual RMS Detectors Targets RF Power, Return-Loss Measurement (.PDF Download)

Directional couplers are used in a wide variety of applications to sense RF power, and they may appear at multiple points in a signal chain. In this article, we will explore Analog Devices’ ADL5920, ...
Electronic Design

Boost In-Situ Reflection Measurement Accuracy with a Portable VNA

Understand the network diagram for VNA measurement error terms. What are the effects of various residual errors on the outcome of the measurement? Learn the only ...
EDN

Layout guidelines help manage video equalizer’s return loss (Part 2 of 3)

A second, more modern-day method of measuring return loss is by using the time domain reflectometry (TDR) ability available in current wide-bandwidth oscilloscopes. The final return-loss measurement ...