With this circuit, using a single control voltage, you can increase the brightness of the lamp while the brightness of another decreases. The circuit applies only to incandescent lamps.
In the figure we have the diagram of an amplifier stage using transistor and a 6AQ5 valve. The...
Being able to operate with frequencies up to 100 kHz, this circuit was found in a 90’s...
This circuit immobilizes a car with an old ignition system with platinum switches. It was found in the...