This circuit was found in a documentation of the time. It consists of a receiver with two RF stages for the medium wave band. The audio power is on the order of 2 W.
Found in an Electronic Design from the 80's, this circuit monitors a three-phase line, activating a...
This high impedance step suggested by an English publication can operate up to 1 MHz with 1 V rms...
This powerful high-fidelity amplifier was described in an article in Radio Electronics magazine in...