Today this frequency corresponds to the end of the FM band. However, in December 1958, when the circuit was published in Radio Electronics magazine it was the frequency used by American satellites.
This circuit was found in a 1966’s American publication. What it does is to receive a pulse and...
This dual circuit was found in an 80s Siliconix documentation. The power source must be...
We found this circuit in a Radio Electronics from the 90s. Transistors admit current equivalents,...