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Old 2nd September 2014, 07:59 PM   #1
Ensoniq is offline Ensoniq  United States
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Default Simple AM/FM receiver with pot knob not buttons

looking to build a simple am/fm stereo receiver with a analog type (variable resistor / capacitor ) to tune to a radio station instead of push buttons / seek.
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Old 2nd September 2014, 08:16 PM   #2
rayma is online now rayma  United States
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Quote:
Originally Posted by Ensoniq View Post
looking to build a simple am/fm stereo receiver with a analog type (variable resistor / capacitor ) to tune to a radio station instead of push buttons / seek.
You could buy a used tuner very cheaply, or use the tuner part of a receiver from the tape out jacks. A component tuner is less likely to have AM,
but this is not very good to listen to on a good system anyway.

If you only need FM, a Dyna FM-3 can be very good with some updating.
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Old 2nd September 2014, 08:23 PM   #3
Ensoniq is offline Ensoniq  United States
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i want to integrate it into one pcb assembly
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Old 2nd September 2014, 08:36 PM   #4
rayma is online now rayma  United States
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i want to integrate it into one pcb assembly
Here's one I found, mono with optional multiplex decoder.

http://www.ramseyelectronics.com/Ram...&searchSize=12

Last edited by rayma; 2nd September 2014 at 08:38 PM.
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Old 3rd September 2014, 02:10 PM   #5
kevinkr is offline kevinkr  United States
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Perhaps something like the TEA5711? It will do stereo. I was looking for varactor tuned device but with limited time this is what I found.

http://media.digikey.com/pdf/Data%20...Fs/TEA5711.pdf

I am not sure if you were looking for an IC based solution, and I am not sure what the availability of these parts is like. Digikey does not stock it.

AM/FM Radio Receiver ICs at Digikey

You might try contacting the makers of some of the above listed parts if suitable to see whether or not you could get a few samples.
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Old 4th September 2014, 04:48 PM   #6
Ensoniq is offline Ensoniq  United States
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Isn't tea5711 discontinued ?
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