Institute Newton C. Braga

Circuit Bench

Window Detector (CB13662E)
This circuit is from 1972 documentation. The circuit detects when the voltage input is in the...
Tape Recorder Head Oscillator (CB24715E)
This circuit was used in tape recorders to clear the tape of any previous recordings for a new...
Biquad Filter MC4741 (CB14466E)
The MC4741 integrated circuit consists of four operational amplifiers similar to the 741 in a...