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.
This circuit was obtained from the July 1970 issue of Radio Electronics magazine. Zeners are power...
This circuit allows you to simulate an analog telephone line for the repair and testing of...
This small power amplifier makes use of an output transformer given its design time. In fact, the...