Gas ignition (CB7075E)

This circuit for igniting gas flames was found in a 1967 Electronic Design. The SCR firing device is a gas lamp of the time.

| Clique na imagem para ampliar |

10 Minute Timer (CB1501E )
The circuit shown in the figure was found in a 1974 publication. The field effect transistor may...
DC Motor Reversal with Transistors (2) (CB11602E)
I found this circuit in an English publication from 1989. This configuration can be mounted with...
Spy FM Transmitter with Varicap (CB14870E)
We found this circuit in a small espionage manual from 1993. The components are current, and the...