Found in the April 1978 issue of Radio Electronics magazine, this circuit is intended to be powered by a symmetrical 15 V source. The signals are low intensity.
Frequencies up to just over 100 kHz can be obtained with an oscillator based on one of the four...
This circuit, found in a Popular Electronics from 1992, is based on an oscillator and a crystal...
This is a discrete equivalent version of an open collector TTL gate. What we have is an inverter...