Institute Newton C. Braga

Circuit Bench

Ultrasonic emitter (CB9383E)
Found in Radio Electronics from the 90s, this circuit has a power given by the output amplifier. The...
Digital Watch (CB18700E)
This digital clock has a traditional configuration with well-known CMOS integrated circuits. The...
Astable Trivibrator (CB5016E)
This interesting multivibrator was found in an Italian magazine that no longer exists. This is...