Institute Newton C. Braga

Circuit Bench

Zero Crossing Detector (CB20167E)
This circuit is from the 80's integrated circuit manual itself. The component is not as common today...
Microammeter Amplifier (CB19584E)
This transistorized stage of an old documentation aims to increase the sensitivity of a...
Audio Switch (CB12269E)
This circuit is from an English publication from 1978. The operational admits equivalents and the...