Load disconnect switch (CB8517E)

Found in a 90s Maxim documentation, this circuit disconnects the battery in case of overload. The components used are from that time.

| Clique na imagem para ampliar |

Spy transmitter detector (CB7546E)
This circuit was found in a 1992 PE Hobbyst. The circuit detects the presence of spy...
Timed Lamp (CB10765E)
I found this circuit in a 1992 Electronics Experimenter Handbook. The circuit can be easily...
Controlling Two LEDs By Two Transistor (MSB057E)
When no current flows by the base of a transistor it is off and a also an LED in its collector....