Anti-theft with voltage sensor (CB26166E)

Found in the 1991 Electronics Experimenter Handbook, this circuit detects voltage variations in the circuit when the engine starts.

| Clique na imagem para ampliar |

High Speed Composite Amplifier (CB19716E)
The operational amplifier taken as an example is uncommon today, but the configuration can be made...
-15 V regulator (CB13197E)
The integrated circuit used in this regulator is not easy to obtain, since the publication is from...
FET Input Operational (CB13628E)
This configuration was obtained in a 1977 FET Databook. The circuit can be practically any JFET...