Institute Newton C. Braga

Circuit Bench

Relay Flasher (CB11965E)
This circuit controls a relay causing it to open and close its contacts at a speed that depends on the...
16 W Amplifier (CB6168E)
This circuit is from an Electronics World of 1968. The transistors are of the time and the power...
Opto isolator CMOS Interface (CB13780E)
This circuit is from a Motorola manual from the 70s. The circuit can be implemented with more...