This circuit detects changes in magnetic flux in a coil as an external magnetic field moves. The circuit is from Electronics Now magazine, October 1996.
Found in a publication from the 50's, this circuit uses a germanium transistor of the time. The...
The circuit presented is from the 1977’s Linear Integrated Circuits and MOSFETs from RCA. The...
September 2016 - It can be purchased from Mouser Electronics the new antenna tuning circuit from...