Extends Home Entertainments via FM Transmitter Circuit Diagram
Extends Home Entertainments via FM Transmitter Circuit Diagram -A single-chip, short-range FM radio transmitter circuit diagram is shown in the picture below.
You may extend link for your home entertainment system to a portable radio that can be carried around your house.
The single IC is a voltage-controlled oscilator with integrated varactor which inductor L1 set nominal oscillation frequency and a 390nH value places the frequency at 100Mhz.
The IC operates on a single-supply voltage (3V-5V). R1 tunes over the FM band of 88MHz to 108MHz.
Enjoy playing music on the CD changer in your living room and listen to it on a portable radio by the backyard (source: maxim-ic.com).
Tags: FM transmitter, radio transmitter circuit, single IC