Based on the BA1404 integrated circuit, this circuit was found in the July 1992 issue of Radio Electronics magazine. The circuit is short range, but a power amplifier stage can be used.
This circuit was found in a Popular Electronics from April 1993. It is a voltage regulator circuit for...
Suggested by American documentation from the 90s, this circuit has separate controls for the...
This circuit was obtained from an Electronics World magazine from 1992. The circuit provides an...