Institute Newton C. Braga

Circuit Bench

Optocoupler (CB15700E)
The optocoupler in the figure uses common transistors and a phototransistor to drive a sensitive relay...
30 to 45 MHz Receiver (CB20514E)
Used by the police this receiver tuned to the low VHF band. The circuit is from a documentation from the...
Rectangular Three-Phase Generator (CB10852E)
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...