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.
The integrated circuit shown in the figure is nothing more than the LM386 sold by Radio Shack,...
Suggested by General Electric in a 1967 documentation, this circuit replaces the Thryraton tubes used at...
This low-power, low-supply voltage amplifier uses a preamplifier to achieve a high-gain...