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 |

AM Modulator (CB4917E)
We found this circuit in a Linear Technology component manual. The circuit also has a DC zeroing...
LM3914 20-LED Voltmeter (CB25457E)
This circuit has a scale of 0 to 2.56 V, but it can be changed by changing the values of the...
Divide-by-6 TTL por 6 (7490) (CB227)
Figure Bellow shows how to use a 7490 (TTL) IC to divide the frequency of a TTL signal by 6; The...