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Seems that this may be a challenging project ;-)

Bob Ammerman wrote:
>
> Yeah, I knew Kansas City was FSK. I was just fondly remembering the good old
> days.

Such simplicity is lacking these days...

>
> You should be able to find an old modem chip that will do the job (if you
> can actually source the chip).
>
> Alternatively, you might be able to generate the QPSK with a PIC's PWM
> output , but reading it back might be rather challenging.

Decoding it may be too much of a challenge. Bit rate is undecided at the
moment but we're looking at 14.4k as a minimum.

>
> What bit rate do you hope to achieve?
>
> Bob Ammerman
> RAm Systems
> (contract development of high performance, high function, low-level
> software)
>

Nino.
--
------------------------------------------------------
| Antonio (Nino) L. Benci                            |
| Professional Officer, Electronic Services          |
| School of Physics & Materials Engineering          |
| Monash University                                  |
| email: nino.benci@spme.monash.edu                  |
| T: 61 3 9905 3649. F: 61 3 9905 3637               |
| M: 0414 924 833                                    |
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