Insulated dialer (CB9464E)

This circuit was found in an 80's Electronic Engineering. The circuit uses a multivibrator with neon lamps and an optical coupling system.

| Clique na imagem para ampliar |

24 V Power Control (CB839E)
This low voltage AC control uses a triac. Any TIC series triac can be used and this device must be...
Pulse Counter (CB10963E)
This circuit was found in a 1987 magazine. It measures the pulse rate produced by a cardiac...
4 to 18 MHz FET XTAL oscillator (CB16102E)
The field effect transistors have characteristics that allow the realization of excellent...