This circuit for communications receivers was found in the January 1974 issue of Radio Electronics magazine. The transistors are Japanese types of the time, as the circuit was part of equipment of that origin.
This micro-transmitter for the 27 MHz band was found in a 1976 technical documentation. The...
This passive circuit was found in the March 1995 issue of Elexctonics Now magazine. The circuit is for...
I found this circuit in an old English magazine from 1979, but it can be easily assembled with...