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James Newton mailto:jamesnewton@geocities.com 1-619-652-0593


-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of lucky@ISRG.ITB.ac.id
Sent: Monday, February 05, 2001 02:11
To: PICLIST@MITVMA.MIT.EDU
Subject: [EE]: FSK Generation using MCU


Hi all.

I was wondering if anyone can help to give me some hints, or some URLs to
similar projects/resources of how to generate some FSK tone (V22bis) not
using a modem, but directly using an MCU. I've been building a very simple
project of remote logger using Motorola HC08, and planned to send the data
via AX.25 packet using the discontinued modem chip TCM3105.

I'm aware of the possibility of generating (only, the detection is not
needed here) the tone using the same controller as the data acquisition.
But I don't know how to implement it. I think it's not too difficult to do
it, but I'm only just a beginner. It would be great if there are some
projects also using HC08 to do it.

Please help me. Thanks in advance for your reply.

Regards.


-lucky-

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