Institute Newton C. Braga

Circuit Bench

Sawtooth oscillator (CB21816E)
This transistor circuit was found in Mullard's 1960s transistor manual. The transistors are...
Zero Crossing Detector (CB19481E)
This “zero crossing detector” was found in a manual of operational amplifiers from the 1980s....
Stereo Amplifier (CB18523E)
This good quality stereo amplifier was found in a Japanese publication from the 1960s. The circuit...