Remote-Control Transmitter Circuit

Posted on Oct 27, 2012

This transmitter sends an FM signal in the 88-to 108-MHz range, with a tone of 19 kHz. This can be used to activate the FM MPX pilot carrier indicator, which can be interfaced to external devices. L4 is for use with a 15 CM wire antenna. LI is 9 turns of #26 enamelled wire on a 54-W 10-kQ resistor (carbon type), L2 is 2 turns wound over LI.

Remote-Control Transmitter Circuit
Click here to download the full size of the above Circuit.

L3 is 7 turns of #26 enamelled wire on a 10-ka /4-W resistor.

Leave Comment

characters left:

New Circuits



Popular Circuits

Soil Heater For Plants Circuit
Video Line Bar Generator Circuit
sleeping aid schematics
Pulsing Third Brake Light Circuit
crystal oscillator circuits
why have my power dooe locks lost the power to operate correctly