This circuit was found in old American documentation. Transistor is general purpose and coil rated is for 1.5 MHz. Wind 50 + 50 turns of wire 28 onto ferrite rod for 1 MHz.
April 2017 - Mouser Electronics already has the MAX4007 from Maxim Integrated in its inventory, an...
This experimental receiver works with alternative sources of energy or a single cell of any type....
This beacon causes an LED to flash with the mains voltage. The frequency depends on the capacitor. For...