Institute Newton C. Braga

Circuit Bench

Multimeter adapter (CB7345E)
This circuit, suggested by General Electric, increases the sensitivity of a common multimeter to 1 M /...
Varicap in the Tuning Circuit (CB4102E)
The figure shows how to use a varicap in a conventional tuning circuit. The circuit may be an...
500 mW Amplifier Powered by the Grid (CB20039E)
This amplifier is from Motorola documentation from the 70s. The circuit uses transistors from the...