Institute Newton C. Braga

Circuit Bench

Piezoelectric Transducer Amplifier (CB15928E)
This amplifier, suggested by National Semiconductor, is characterized by its very high input...
Gain 10 CA3140 Amplifier (CB15503E)
The voltage gain of the circuit shown in the figure is 10 times. This gain is given by the ratio...
Differential Detector for Relay (CB24084E)
We found this circuit in the October 1970 issue of Radio Electronics magazine. It uses the...