Institute Newton C. Braga

Circuit Bench

10 meters band receiver (CB23590E)
This circuit is from a Radio Electronics from February 1959. The circuit has a speaker output and...
Transmitter Detector (CB26100E)
This circuit detects the presence of strong signals from spy transmitters, enabling their...
TTL Oscillator (CB14951E)
For 220 pF C1 this circuit generates a 10 MHz signal. Other frequencies can be obtained with...