In this receiver the is formed by 80 turns of wire 28 or close in a ferrite rod. The handset is low impedance and powered by a standard battery.
This CMOS circuit for LED displays is from a Radio Electronics magazine from February 1989. The...
This circuit was obtained from an English magazine from 1976. The circuit activates a sensitive relay...
This circuit converts voltages from 5 to 12 V at voltages of 100 to 400 V. The transformer has a...