This circuit was obtained from an American 80's documentation. The balanced mixer can be shown in CB4234. The circuit is for controlling RF signals in a modulation system.
This circuit is a shield for microcontrollers and computers drivind high power loads. In the...
This circuit can measure voltages from 0 to 10 V with a very high input resistance. The circuit is...
This circuit uses a FET to drive an LED with constante currente. The current up to 20 mA can be...