This circuit is from a Radio Electronics from December 1990. The circuit was used in a home theater system.
This simple clock can be used to generate signals up to 100 kHz, depending on the crystal. We found...
Found in American documentation from 1964, this circuit uses transistors from that time, which are not...
This source was found in a 1982 American publication, but can be easily assembled using 2N2995 (PNP...