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Author Topic: psk31 and sound card  (Read 12826 times)
KP2BH
Member

Posts: 183




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« on: January 22, 2001, 08:02:27 AM »

hi to all:iam looking foward to conect the transmiting stage for psk.my sound card its a creative xgamer.what i need to know is it i have to add any resistor etc,etc to the line that goes from the sound card to the mike jack.thanks in advance for the help...
kp2bh...jimmy
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KB9UMT
Member

Posts: 430


WWW

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« Reply #1 on: January 23, 2001, 03:58:37 AM »

Hi Jimmy:
I am sure if you check these websites you will find a match for your situation...de KB9UMT Don

http://www.w5bbr.com/soundbd.html
http://www.packetradio.com/rascal.html
http://homepages.together.net/~fflynn/psk31.html
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K0BZV
Member

Posts: 22




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« Reply #2 on: January 23, 2001, 12:47:15 PM »

Jimmy...
I just finished the RASCAL board from K4ABT.
The web site is 'www.packetradio.com'. The card
has all the ground loop isolation and PTT on the
board and works like a dream.  For 25 bucks, you
could do worse.  There is a variable resistor in
the transmit audio line. I set mine to mid-scale
and did the adjustments with the sound card windows
contained in DigiPan.  PSK is one fun mode to run.
I am making contacts all over the U.S. with 10 watts
to a mobile antenna with a scrap wire counterpoise.
Be sure to turn your TX power down. Take it to about
40% of normal.  We don't want to support the makers
of the final transistors!!  Looking forward to making
a contact on PSK31.  73 de Carl  K0BZV
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