by Vladimir Vassilevsky <antispam_bogus@[EMAIL PROTECTED]
>
Jul 2, 2008 at 07:09 PM
Joerg wrote:
> Vladimir Vassilevsky wrote:
>
>> Joerg wrote:
>>
>> [...]
>>
>> Why piling up the complicated digital stuff in the place where a 25c
>> analog FM receiver IC with some external components would probably do?
>>
> For the RF part you can use a chip if it offers good dynamic range.
An IC with a good dynamic range sounds very promising :)
> Many
> don't. For the decode part the OP might need some more flexibility than
> an RF chip can provide.
>
> RF chips aren't widely available for the 5-21MHz range. They are
> marketed for the classic ISM bands although some of them might be
> "convinced" to drop to shortwave with some clever circuitry.
I meant using a conventional FM receiver IC. The standard crystal
filters seem to fit the OP's application. All that has to be done is
pull the synthethiser into the 15...32 MHz range.
Vladimir Vassilevsky
DSP and Mixed Signal Design Consultant
http://www.abvolt.com
