Light-sensitive circuit (CB23962E)

We found this circuit in a Radio Electronics issue from July 1969. The lamp remains on until C1 opens. The time is given by capacitor C1.

| Clique na imagem para ampliar |

Limited range control (CB7221E)
Suggested by General Electric in 1965 documentation, this circuit controls the current at a load...
Simple function generator (CB20950E)
Found in Popular Electronics from the 1980s, this circuit uses two operational amplifiers from...
Stereo preamplifier (CB20654E)
We found this circuit in a Hands-on Electronics from 1985. The circuit is based on common...