Institute Newton C. Braga

Circuit Bench

Emergency Lighting (CB16862E)
This circuit includes a battery charging system and an inverter for operating a fluorescent lamp....
Audio Output Stage (CB20037E)
This simple step of low power audio is from a 1975 documentation. The transistor can be a BC548, and...
Emitter Follwer Amplifier Stage (CB11990E)
This amplifier stage has an input impedance of around 180k and a very low output impedance. The...