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.
This circuit is a small FM transmitter, capable of carrying its signals over short distances...
The purpose of this circuit is to obtain a voltage of 15 V with 1.5 A from a 48 V input. The...
This simple circuit must be powered by a voltage of 5 V. The integrated circuit is the 7400, but...