Institute Newton C. Braga

Circuit Bench

kHz Crystal Oscillator (100)
This circuit was found in the Radio Electronics magazine in an article about emitter-coupled...
Negative Converter for 6 to 10 V Voltages (CB25846E)
This very low current circuit with the ICM7860 was found in the April 1995 Electronics Now...
Light operated switch (CB8278E)
The circuit shown was found in a 1967 RCA manual. Modern equivalent components can be used. The...