[Elecraft] KIO3B Connectivity
Cady, Fred
fcady at montana.edu
Fri Dec 25 14:39:59 EST 2015
Hi Paul,
The KIO3B easily handles the audio in and out for AFSK with MMTTY. I've never tried PTT when running AFSK -- just use VOX.
For FSK you still have to break out serial port lines for Key In and PTT and feed them to the the ACC port but that is easily done with a couple of transistors.
Cheers,
Fred KE7X
For all KE7X Elecraft books see www.ke7x.com
________________________________________
From: Elecraft <elecraft-bounces at mailman.qth.net> on behalf of Paul Christensen <w9ac at arrl.net>
Sent: Friday, December 25, 2015 12:20 PM
To: Elecraft at mailman.qth.net
Subject: [Elecraft] KIO3B Connectivity
Looking for feedback when using MMTY and either the K3s or K3 w/ the KIO3B upgrade. My plan is to simplify digital interface cabling by replacing a MicroHam USB Interface III with the newly released KIO3B boards for the K3. My assumption is that the KIO3B's USB port will handle both audio and PTT control when using AFSK.
Also, will the new KIO3B allow for FSK keying with no additional hardware or cabling to the K3's ACC connector?
Has anyone experienced any USB connectivity issues that might justify keeping the microHam USB interface and existing KIO3A board?
Merry Christmas to all!
Paul, W9AC
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