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LF: Another PSK Modulator

from [MarkusVester] [Permanent Link][Original]
To: [email protected]
Subject: LF: Another PSK Modulator
From: [email protected]
Date: Sun, 8 Jan 2006 14:08:44 EST
Delivery-date: Sun, 08 Jan 2006 19:09:09 +0000
Envelope-to: [email protected]
Reply-to: [email protected]
Sender: [email protected]
Dear LF Group,

anyone in need of a simple, clean and stable PSK modulator, driven by any old DOS PC without a soundcard? Look at

http://members.aol.com/df6nm2/SerPSK.zip (141kB)

for a description and a software (including Basic source) which sends dithered bit patterns to the RS232 data line, feeding a balanced modulator and linear PA through a crude R-C lowpass. This solution has worked successfully at the DI2AG beacon for some time last year.

Happy experimenting

Markus, DF6NM
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