Institute Newton C. Braga

Circuit Bench

Video restore circuit (CB8739E)
The purpose of this circuit is to restore the 0 V black level of an analog TV video signal at the...
NiCad Simple Charger (CB4972E)
This simple charger was found in a 1980s documentation. The transistor may be the TIP42 with a...
Immobilizer with two relays (CB24465E)
This immobilizer circuit for the car was found in the Radio Electronics magazine of December 1976....