Leo Bodnar Category

Recent Posts:

The Smith Chart
RF Design

How to Read a Smith Chart

The Smith Chart turns pages of impedance data into a single picture. This guide covers the five key things every radio amateur needs to know to read one — plus worked examples of

Read More »
RF Amplifier Oscillation shown on a bench
RF Design

RF Amplifier Oscillation

RF amplifier oscillation can turn a well-designed power amplifier into an unstable, spur-generating headache. This article shows the most common causes of instability, how to identify oscillation on the bench, and practical techniques

Read More »