[Steven Merrifield] built his own Scalar Network Analyzer and it’s a beauty! [Steve]’s SNA has a digital pinout matching a Raspberry Pi, but any GPIO could be used to operate the device and ...

A hardware device or server software that captures packets transmitted in a network for routine inspection and problem detection. Also called a "sniffer," "packet sniffer," "packet analyzer ...

At least that’s the lemonade [Josh Johnson] made from his lemon of a low-cost vector network analyzer. For the uninitiated, a VNA is a versatile test instrument for RF work that allows you to ...

RF components such as connectors, cables, antennas, and PCB traces need characterizing so you know how they will perform.

Signal Hound – manufacturer of accessible, versatile, precision test equipment – announced the release of the highly anticipated VNA400 to its expanding product line.