This receiver with earphone listening for the medium wave range was published in Radio Electronics magazine in February 1958. The circuit was powered by a 15 V battery.
We found this circuit in an old magazine. This is an assisted ignition, where the contact breaker is...
The presented circuit has compensation for cold junction. In addition to a voltage reference, it...
This two-transistor limiter for low-frequency signals was found in the May 1963 Radio Electronics...