This circuit was found in a 1970 American publication. The FETs are power types according to the desired output current. The operational can be replaced for modern equivalents.
This circuit incorporates the passive control of the previous circuit and was also found in the...
This complete video game circuit was found in the May 1978 issue of Radio Electronics magazine. The...
In the circuit we have a way of using a transistor to control the polarization of a class B tube...