Found in the December 1986 issue of Radio Electronics magazine, this circuit is designed to select 4 outputs with pulses from a pressure switch. The circuit includes LED indication.
This common emitter amplifier with 43 dB gain was found in the August 1970 issue of Radio...
The presented circuit emits signals in the FM band, which can be picked up from a distance of a...
This receiver receives signals in the 17 MHz or 11-meter range and can be used as a base for an...