This circuit is from a documentation about the MC1723, Motorola equivalent of the well-known 723. The transistor admits equivalent and must be mounted in a good heat sink.
This circuit, found in a Popular Electronics from 1992, is based on an oscillator and a crystal...
Found in old American documentation, this filter has a 8 dB per octave attenuation. The formulas for...
You can adjust the frequency produced by a ring oscillator with three inverters inserting a...