Motor photoelectric control (CB8022E)

This circuit was found in a 1964 Electronic Design. The components are from the era and the load is 60 W.

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Current limiter for charger (CB9544E)
Found in a manual of integrated circuits from the 90s, this circuit makes use of that time...
Automatic Fader (CB18479E)
This effect circuit for guitar and guitar was found in a 1974 documentation. The circuit has...
Step-adjusted power supply (CB8895E)
This 1.5 A circuit has the output voltages adjusted by a selector switch. We found it in a Popular...