Scalar Network Analyzer – In an Altoids Tin

by DuWayne @ soldersmoke.blogspot.com: DuWayne (KV4QB) has done something very cool here. He’s taken an Arduino Nano, a cheap AD9850 DDS board, a small screen, and a couple of log detectors, and he has built IN AN ALTOIDS TIN a scalar network analyzer that lets you see the bandpass of a...