Institute Newton C. Braga

Circuit Bench

Assisted ignition (CB23734E)
This is a circuit published in the patent section of the April 1961 Radio Electronics magazine. The...
LED Voltmeter (CB14705E)
This voltmeter indicates voltages from 0.7 to 2.8 V at 4 levels determined by the diodes. The...
Cascode RF Amplifier (CB9173E)
This amplifier with two FETs in direct coupling (cascode) was found in a 90s Popular Electronics. The...