This configuration was found in an English magazine from 1965. It is valid for any junction FET. The input impedance is 5.5 M ohm higher than conventional stages.
This is one of the many approaches we have on the site for this low power 0.5 W amp using the...
This circuit simulates an American siren and can be found elsewhere on this website and section....
This 80's amplifier delivers 6 W of 8 ohm speaker power without using an output transformer....