RF WITH TUBES

Doubling the DC voltage from a single wind secondary can be done. Say the secondary is 6 volts. To get 6 volts, a single diode wherein we on...

Now, let us study the first tube in details. It is set up as an oscillator and mixer. Look at the osc coil with a tap. The Cathode goes to ...

Most if not all of us in the chat group are already verify familiar with tube amps. No need for further lessons here. Besides, the hybrid tu...

Armstrong Superheterodyne receiver.