Is plain old FR-4 (also known as “Glass Epoxy”) PCB material suitable for use in RF designs [1]? This question comes up time and again. Many say no, fewer say yes – who's right? As I have published ...

Most of us are familiar with the concept of producing PCBs in a panel, and snapping them apart afterwards. V-grooves that go most of the way through a PCB are one way to go about this, but a line o… ...

We’ve all made a few bad PCBs in our time. Sometimes they’re recoverable, and a few bodge wires will make ’em good. Sometimes they’re too far gone and we have to start again… ...