Institute Newton C. Braga

Circuit Bench

High Impedance Amplifier (CB15733E)
The circuit shown is suggested by Motorola and consists of an amplifier with very high input...
Overcurrent FET Oscillator (CB13121E)
The oscillator in the figure has its frequency determined by the crystal. The indicated value is...
Electronic Level (CB17124E)
This simple circuit has three electrodes that indicate the level using mercury in a small...