Institute Newton C. Braga

Circuit Bench

PWM Modulator (CB14115E)
This circuit was obtained from Linear Applications Handbook from National Semiconductor of 1994. It...
Transistor Audio Oscillator (CB12375E)
This circuit is from a 1974 publication, but it can still be easily assembled today with BC548...
Medium wave transmitter (CB22502E)
This short-range, medium-wave transmitter was found in a 1966 documentation. The transistors are...