KIO3B Connectivity
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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 --- This email has been checked for viruses by Avast antivirus software. http://www.avast.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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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 <[hidden email]> on behalf of Paul Christensen <[hidden email]> Sent: Friday, December 25, 2015 12:20 PM To: [hidden email] 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 --- This email has been checked for viruses by Avast antivirus software. http://www.avast.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Actually, the KIO3B USB port handles PTT and Key just as if they were
attached to a physical serial port. It does NOT handle FSK, which was and remains part of the ACC connector, not the serial port or its control signals. 73 and Merry Christmas, Lyle KK7P > 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. --- > Also, will the new KIO3B allow for FSK keying with no additional hardware or cabling to the K3's ACC connector? ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by P.B. Christensen
> Also, will the new KIO3B allow for FSK keying with no additional > hardware or cabling to the K3's ACC connector? No. The KIO3B does not support FSK - you still need a separate FSK signal connected to the ACC connector. > Has anyone experienced any USB connectivity issues that might justify > keeping the microHam USB interface and existing KIO3A board? The KIO3B hardware (hub, FTDI UART, and PCM9203E CODEC) are essentially identical to the microHAM USB Interface III. However, the KIO3B lacks an FSK output, does not have software that allows mapping the RTS/DTR lines to a separate virtual ports (e.g. MMTTY with CAT on one port and FSK/PTT on another) and it does not support tone based FSK (pFSK) or CW (qCW) like USB Interface III. With the KIO3B one needs a separate source of FSK and PTT independent of the UART in the KIO3B. 73, ... Joe, W4TV On 12/25/2015 2:20 PM, Paul Christensen wrote: > 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 > > --- This email has been checked for viruses by Avast antivirus > software. http://www.avast.com > ______________________________________________________________ > Elecraft mailing list Home: > http://mailman.qth.net/mailman/listinfo/elecraft Help: > http://mailman.qth.net/mmfaq.htm Post: > mailto:[hidden email] > > This list hosted by: http://www.qsl.net Please help support this > email list: http://www.qsl.net/donate.html Message delivered to > [hidden email] > Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by Cady, Fred-2
> 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. But not with the UART/serial port in the KIO3B. One needs a separate (second) USB serial converter. 73, ... Joe, W4TV On 12/25/2015 2:39 PM, Cady, Fred wrote: > 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 <[hidden email]> on behalf of Paul Christensen <[hidden email]> > Sent: Friday, December 25, 2015 12:20 PM > To: [hidden email] > 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 > > --- > This email has been checked for viruses by Avast antivirus software. > http://www.avast.com > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] > Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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