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 configuration makes use of currently uncommon components. In fact, we found it in...
This 1 kHz oscillator was found in the February 1970 issue of Radio Electronics magazine. It uses...
This circuit was found in Motorola documentation from 1968. Transistors can be modern equivalents, just...