This circuit uses a transistor module, a version that preceded the integrated circuit. The circuit is from a Radio Electronics from May 1958.
The circuit shown is from the Linear Applications Handbook and the maximum frequency is in the...
This 100 kHz crystal oscillator uses 7404 to generate square signals. We found it in a Popular...
The circuit shown is a reference of -10 V with a maximum current of 50 mA obtained from the Linear...