Institute Newton C. Braga

Circuit Bench

NE602 Crystal Oscillator (CB26005E)
This oscillator reaches 50 MHz with an overtone crystal. The circuit is from Electronics Now...
Wien Bridge Oscillator (CB13964E)
The circuit shown is from an old English publication from 1965. We can adapt the circuit to work...
Reservoir level monitor (CB9528E)
Originally, this circuit was created to monitor the liquid level in the reservoir of a car's...