Institute Newton C. Braga

Circuit Bench

Telegraphy Practice Oscillator (CB18342E)
This very simple oscillator, with only one transistor, was found in a Japanese magazine in 1967....
Simple sound bridge (CB6069E)
This simple bridge circuit can be used for impedance or resistance measurement using a high...
Light-controlled oscillator (CB7874E)
This circuit has the intensity of the signals controlled by the light that falls on the sensor....