Institute Newton C. Braga

Circuit Bench

1 kV Power Supply (CB13005E)
This circuit is nothing more than a voltage quadruplicator that can generate close to 1 000 V from...
Piezoelectric Transducer Beeper (CB15762E)
The circuit shown in the figure causes a piezoelectric transducer to emit interval beeps. The 100...
Battery Charger (CB15963E)
This battery charger is suggested by National and has a switch that turns it off when the battery is...