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From: apn@nonvon.UUCP
Newsgroups: net.analog,net.ham-radio
Subject: Re: I need an FSK decoder
Message-ID: <121@nonvon.UUCP>
Date: Sat, 11-Oct-86 11:21:23 EDT
Article-I.D.: nonvon.121
Posted: Sat Oct 11 11:21:23 1986
Date-Received: Sun, 12-Oct-86 02:09:25 EDT
References: <550@bambi.UUCP>
Distribution: net
Organization: Nonvon Systems Computer Research Group
Lines: 27
Summary: FSK, decoder, slow
Xref: mnetor net.analog:871 net.ham-radio:2361

In article <550@bambi.UUCP>, steve@bambi.UUCP (Steve Miller) writes:
> I'm looking for a device that will perform Frequency Shift Keying
> decoding, with input frequencies of 1500 Hz (mark) and 2300 Hz (space),
> at a faily rapid rate (300 baud or better).  Also, I would like to
> find a device that will convert frequency to voltage, continuously,
> over the same range.
> 
> I could sure use some help.  Thanks, Steve Miller WA4LDA 
>                                      ihnp4!bellcore!bambi!steve



	I suggest you contact EXAR. They manufacture several IC's that
    are usefull building blocks in such circuits. i.e. FSK modulators,
    decoders, modem filters.... If you're around the 408 area code, I 
    think their distributors are "Bell Industries" @408 734 8570. Also
    another company... Silicon Systems makes some parts in like this.
    Of course, you could always get a standard PLL and start from there.
    BTW, the EXAR people have several data books that have tons of MODEM
    and PLL circuits.

	Hope this helps...

	-apn


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