>> > Last year I did a 1200bps BELL-202 modem for a client using the
>> > Atmel ATMEGA8 processor running at 6.144MHz.
>> > TX audio generated via PWM and RX demodulation using fixed-point
>> > 16bit math as explained on the link below:
>>
>> Work OK?
>
> The RX performed equal to or better than the MX614P.

How did overall component count and cost compare to OTS solutions like 
the MX614P?



        Russell McMahon

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