Institute Newton C. Braga

Circuit Bench

Push-Pull Class B Transistor Amplifier (CB927E)
This circuit has more historical value than practical, unless the reader find all the components...
Tuning fork (CB6903E)
This circuit was found in American documentation from 1966, but it can be assembled with a modern...
RF Amplifier (CB6129E)
This RF amplifier step has a dynamic range of 140 dB and can amplify signals from 0.5 to 40 MHz....