[sdiy] FM Transmitter IC

Dave Brown davebr at modularsynthesis.com
Mon Apr 25 18:23:28 CEST 2016

I did one with an I2C chip that is on http://modularsynthesis.com/electronic/info.htm.  If you want a fixed frequency then these are pretty simple assuming someone can program a chip for you.


However, Ramsey Electronics has a nice digitized tuning one.  However, they have discontinued their kits so their remaining stock is on Amazon.  This is a nice transmitter.

http://www.amazon.com/Synthesized-FM-Stereo-Transmitter-Kit/dp/B0002NRIM8/ref=sr_1_4?ie=UTF8 <http://www.amazon.com/Synthesized-FM-Stereo-Transmitter-Kit/dp/B0002NRIM8/ref=sr_1_4?ie=UTF8&qid=1461601261&sr=8-4&keywords=ramsey+electronics+fm> &qid=1461601261&sr=8-4&keywords=ramsey+electronics+fm


They make an analog tuning one for less and a more expensive one.  Just search for Ramsey Electronics FM




From: Synth-diy [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of Robert Spencer
Sent: Monday, April 25, 2016 3:43 AM
To: Synthdiy Diy
Subject: [sdiy] FM Transmitter IC


Hi guys,


I’m after an FM transmitter IC, similar to the ones you get in the little iPod FM transmitters in cars. I’ve bought a few of these products, but they all seem to have the markings on the chips removed.


I’ve been searching for a couple of months, but the only ones I can find have an I2C interface or similar for control, which would mean an additional controller. I’m after one which would be able to drive a small LED display with two buttons for tuning.


Any help would be much appreciated.


Kind regards


Rob Spencer


07590 267835


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