Low current AC control (CB20707E)

This SCR circuit is intended to control an AC load with a low current switch. This switch can be a reed sensor. The load depends on the SCR.

| Clique na imagem para ampliar |

Telephone Line Cut Alarm (CB25978E)
This circuit, which may have other applications, trips a load if the voltage on the telephone line...
Triac high voltage generator (CB8477E)
This UHV generator circuit or ultra-high voltage was found in a 90s Electronic Engineering 90s. The triac...
Relay Drive (CB13907E)
This circuit is from an old American documentation from the 70s. Transistor 2N3904 can be replaced by...