Institute Newton C. Braga

Circuit Bench

Third Brake Light (CB4783E)
This circuit was found in a Popular Electronics of the 90s. It operates a third brake light that...
MW tuner (CB12489E)
I found this circuit in a 1980 publication. Originally it was created to have a fixed tuning, but...
Ultra High Gain FET Stage (CB14146E)
The circuit shown has a voltage gain of 500 times and can use equivalent FETs like the BF245. The...