Light Activated Pulsing Alarm (CB26243E)

This circuit was obtained from the 1995 Encyclopedia of Electronic Circuits Volume 5. The circuit uses a CMOS 4001 and has a transistor power stage.

| Clique na imagem para ampliar |

16-channel TTL sequential (CB19316E)
This circuit was found in an American publication from the 1980s. In the original version it...
AC Signals Comparator (CB3888E)
This circuit is from an American documentation of the 1980s. The circuit can be implemented with more...
Four Transistors Reflex Receiver (CB18301E)
This is a diagram of a 1958 commercial receiver. The circuit was found in documentation at the...