Hi Douglas.

There is such a nice thing as a correlation exactly
for this case. Two correlation channels, sin & cos
each will do the Job. ;)

WBR Dmitry.

>
> From: Douglas Butler <dbutler@IMETRIX.COM>
> Date: 2002/04/08 Mon PM 12:11:17 EDT
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [PIC] FSK receiver
>
> The systems I worked on allways switched frequency at the zero crossing.
>  Each bit got one cycle of the low frequency, or two cycles of the high
> frequency.  Having an odd fraction of a cycle left over would get the
> two carriers out of phase.  It sounds messy.
>
> Sherpa Doug

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