Institute Newton C. Braga

Circuit Bench

Multivibrator (CB23591E)
This astable circuit has a different configuration. We found it in a Radio Electronics from...
Crystal Oscillator (CB1589E )
This circuit uses a voltage comparator and can produce signals up to 20 MHz. The resistors R are...
Pink Noise Filter with the 741 (CB13436E)
This circuit was obtained in an American publication from 1977. The circuit operates in the audio...