60 Hz Suppressor (CB6738E)

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

Current to voltage converter (CB5099E)
This dual operational circuit of the time was found in an American 1980s documentation. The...
Two-Digit Counter CIR25397S CB25373E (CB25373E)
This TTL counter was found in the March 1991 issue of Radio Electronics magazine. The circuit is...
Charger for 3 lithium cells (CB9126E)
Found in an Electronic Design from the 80s, this circuit uses an unusual component today, the...