Course

How to Measure Amplifier Distortion

Courses
11 items

Characterizing amplifier distortion is critical for optimizing RF system performance across communications, radar, and mmWave applications. Understanding nonlinear behavior enables engineers to minimize error vector magnitude (EVM), improve linearity, and enhance power efficiency.

Learn:

Power amplifier fundamentals and how distortion affects communication signal integrity
How to measure amplifier EVM, ACPR, and modulation distortion using VNAs and modulated signals
Load pull measurement techniques to optimize amplifier performance under real-world operating conditions
How Keysight solutions such as the PNA network analyzer, VXG signal generator, and ADS design software integrate into amplifier test and design workflows

This course is ideal for RF and microwave engineers involved in amplifier design, testing, and system integration across 5G, radar, and satellite communications.

Lessons

Lesson 1 - Power Amplifier Applications and the Impact of Distortion

Introduces the concept of amplifier distortion and how it can impact the RF communication chain.

Lesson 2 - Amplifier EVM Testing on a VNA with Modulated Signals

Learn about amplifier error vector magnitude measurements, test challenges, and how a VNA helps simplify the design cycle.

Lesson 3 - Demo: Amplifier Modulation Distortion Tests on a VNA

Watch this demo to learn how to measure power amplifiers EVM and ACPR using modulated input signals on a network analyzer.

Lesson 4 - Power Amplifier Testing Using Active Load Pull

Learn how to use a VNA wideband active load pull solution to get the EVM and ACPR data you need to know how well your power amplifier will perform once deployed.