EDN

System Noise-Figure Analysis for Modern Radio Receivers

This tutorial starts by examining the fundamental definition of noise figure and continues with an equation-based analysis of cascade blocks involving mixers, followed by typical lab techniques for ...
Electronic Design

Let your digital receiver measure its own noise figure

Modern digital receiver/exciters (DREX) used in radar and communications systems are capable of significant self-testing in a production factory environment. Long past are the days where the analog ...
Electronic Design

Making RF-to-Baseband Noise Figure Measurements

RF-to-baseband front ends consisting of a low-noise amplifier (LNA) cascaded with a mixer downconverting RF signals to baseband have become the epitome of RF devices tested in high-volume ...
EDN

System Noise-Figure Analysis for Receivers

Noise figure is routinely used by system and design engineers to ensure optimal signal performance. However, the use of mixers in the signal chain creates challenges with straightforward noise-figure ...