Institute Newton C. Braga

Circuit Bench

Darlington Push-pull Stage (CB26252E)
This two-transistor amplifier stage was obtained from the Encyclopedia of Electronic Circuits...
6-Channel Sequential (CB17353E)
This sequential circuit drives 6 SCRs that control incandescent lamps. Other types of lamps should...
Varicap Frequency Doubler (CB13349E)
This circuit doubles the frequency of a signal using a varicap. In this case, the input is 28 MHz,...