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 dynamic mixer allows for smooth adjustment of the signal's passage from one channel to...
Using this circuit a low current switch can be used in the control of heavy duty loads, powered...
We found this circuit in an old American documentation for hams. The circuit serves as a telegraph...