Institute Newton C. Braga

Circuit Bench

50 kHz Fiber Optic Transmitter (CB13533E)
This circuit was obtained in a 1977 technical documentation. The PUT admits equivalent and the...
Signal injector (CB21649E)
This circuit was taken from a Popular Electronics from January 1967. Transistors are from the...
CW Short Wave Transmitter (CIR813E)
This small experimental transmitter can send its signals to distances up to 100 meters. L is...