Institute Newton C. Braga

Circuit Bench

Multiplexer with HA2400 (CB24620E)
This circuit featuring a new quadruple operational amplifier was found in the March 1980 issue of...
Digital Audio Recorder (CB18606E)
This interesting circuit records a few seconds of audio signals, reproducing them in a small...
Temperature measurement bridge (CB23663E)
This circuit uses a thermistor or NTC as a temperature sensor and provides the indication on an...