<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Greg,<div><br></div><div>The YagTracker (<a href="http://www.rpc-electronics.com/yagtracker.php" style="font-size: 10pt; ">http://www.rpc-electronics.com/yagtracker.php</a>) <span style="font-size: 10pt; ">uses an SI3000 codec IC for doing both generating and decoding 1200 baud packets.</span></div><div><br>Jason Rausch - KE4NYV</div><div>RPC Electronics, LLC</div><div>www.rpc-electronics.com<br><br>--- On <b>Wed, 10/17/12, Greg Clark <i><k7rkt@bigredbee.com></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: Greg Clark <k7rkt@bigredbee.com><br>Subject: [aprssig] Si1000 direct modulation mode<br>To: "TAPR APRS Mailing List" <aprssig@tapr.org><br>Date: Wednesday, October 17, 2012, 5:54 PM<br><br><div id="yiv1458921362">I'm trying to make my Si1000 development board
transmit direct tones with the hope of being able to generate APRS data packets.<div><br></div><div>has anyone tried this? I'm trying to modify the TxTone example and toggle one of the output ports at 1200 hz and route it to one of the GPIO pins that's setup for direct modulation. I do see the I/O pin toggling, however all I get is a constant carrier, no tone.</div>
<div><br></div><div>Has anyone else done this?</div><div><br></div><div>Greg K7RKT</div>
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