Photo relay with LDR CIR23521S CB23821E (CB23821E)

I discovered this circuit in Radio Electronics magazine in 1962. The circuit drives a special control motor. Power comes from the power grid.

| Clique na imagem para ampliar |

Constant current pulse generator (CB7879E)
Found in a 1965 Electronic Design, this circuit generates adjustable pulses between 200 uA and 10...
L200 High Voltage Input and Output Regulator (CB15145E)
We found this circuit in the 1982 SGS Linear Integrated Circuits manual. The transistor supports...
Electronics Bench (CB17446E)
This circuit can equip the electronics practitioner's bench with an excellent number of resources. In...