Institute Newton C. Braga

Circuit Bench

DC amplifier with transistors (CB21819E)
This circuit was found in Mullard's 1960s transistor manual. The circuit uses germanium...
Model control speed (CB20791E)
Found in old documentation, this circuit uses an SCR like the TIC106 that must be equipped with a...
Bass and Guitar Preamplifier (CB16630E)
We found this preamp circuit with tone control for bass and guitar in a 1987 documentation....