Tim, G7KTP is a chartered RF engineer and microwave radio amateur in IO82MA. He writes about RF design, 24 GHz and portable microwave operating.
The Leo Bodnar LBE-1420 and LBE-1421 GPSDOs are easy to use, but a few of their settings make a real difference to the quality of your frequency reference. Here’s what each one does
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
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