60 Hz Suppressor (CB6738E)

This filter is intended for 60 Hz noise suppression in amplifiers. We found it in American documentation from the 60s.

Turn On Switch Using a SCR (CB542E)
This circuit can turn-on (only) a load (relay or lamp) when S1 is pressed. The circuit can be used as...
Low frequency multiplier (CB8239E)
This circuit was found in a 90s Electronic Design. The integrated circuits are from that time....
Sound Effects (CB26015E)
Found in the May 1997 issue of Electronics Now, this circuit produces a variety of sound effects for...