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 is the traditional application of the RCA CA1310 integrated circuit, obtained in a 1972...
This relay circuit with a dual channel MOSFET (not very common today) was found in an old American...
We present a DC-DC converter circuit that can operate with input voltages from 2.4 V to 14 V and...