Institute Newton C. Braga

Circuit Bench

1W Amplifier For Headphones (CB12960E)
The circuit shown in the figure is suggested by ON Semiconductor (www.onsemi.com), based on its...
Coffee Warmer (CB21380E)
Found in a 1967 RCA manual, the purpose of this circuit is to keep the coffee warm in an electric...
Amplifier for microammeter (CB3927E)
This sensitive amplifier for low current measurement uses a differential amplifier configuration with...