Institute Newton C. Braga

Circuit Bench

1 kHz 555 Triggered Oscillator (CB25515E)
Found in the October 1992 Radio Electronics magazine, this oscillator is controlled by switch S1....
Gate Control (CB18152E)
The purpose of this circuit is to control magnetic door locks activated by the power grid. The...
Difference amplifier (CB21720E)
The circuit shown has a differential input and employs transistors of an array of matched types. The...