RF Guide

Smith Chart Basics Guide

Learn Smith chart basics for RF impedance, matching and reflection analysis.

Overview

Learn Smith chart basics for RF impedance, matching and reflection analysis.

Practical notes

RF matching is used to transfer power efficiently between transmitters, antennas, filters and transmission lines.

Common mistakes

Common mistakes include ignoring PCB parasitics, using low-Q parts, tuning without the enclosure and skipping VNA measurements.