A case in point is this super-low-cost RF power sensor that [Tech Minds (M0DQW)] recently built. It’s based on a design by [DL5NEG] that uses a single Schottky diode and a handful of passive ...
It operates with ±5V power supplies with minimal DC power consumption and is controlled with TTL-compatible voltage levels. The RF Switch is TID radiation tolerant to 100 krad (Si), making it an ...