[sdiy] FSK specifications

[CHoaglin at aol.com]

In a message dated 3/20/02 11:21:09 PM Eastern Standard Time, 
cyborgzero at comcast.net writes:


> You can decode this using 1 filter actually, that looks for a
> particular frequency and outputs a pulse, then you could pump that
> into a digital counter, tap off of the appropriate number and loop
> that back into the reset of the counter to get your divisions.
> 
> 

Or use an FSK decoder chip...They should be very inexpensive and easily 
available, since every device with Caller ID uses one.

-Chris
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