This interesting sensor for RF signals was found in an article in the June 1989 Radio Electronics magazine. It is a field strength meter with an LED bargraph indicator.
June 2017 - In its huge line of available components, Mouser Electronics highlights the new...
Found in an Electronics World of 1966 this circuit is intended for use with a microphone as an...
Details of the coil of this two-transistor generative receiver were not given. We found it in a...