This circuit was found in a documentation of the time. It consists of a receiver with two RF stages for the medium wave band. The audio power is on the order of 2 W.
Signals below 1 MHz pass through this circuit, which is based on a high frequency operational...
This circuit selects a signal at a frequency determined by the double T. The NPN transistors can...
The accuracy of this circuit depends on the resistors connected to the band selection network. The...