Receiver for the 40m band LM602 (CB25305E)

This circuit uses an FM IF transformer for tuning. The circuit is from a Radio Electronics magazine from April 1990.

Slow scan analyzer (CB4174E)
This circuit of an ancient American documentation is intended for cathode ray display analysis of low...
3-Transistor Monostable (CB25673E)
We found this circuit in the January 1994 Electronics Now magazine. It uses general-purpose...
Headlight switch (CB7259E)
Found in a Popular Electronics from the 80's, this circuit makes use of a time integrated to...