I think he means this one: http://us.store.creative.com/Creative-Sound-Blaster-XFi-Surround-5.1/M/B0044DEDCA.htm
As Don mentioned, you can add in some decoupling capacitors to make it a bit quieter (after all, it is powered by the noisy USB). 73, Matt VK2RQ On Tue, Jun 25, 2013 at 12:49 PM, Kenneth A Christiansen <[email protected]>wrote: > Thanks Don for your help. > > I still need someone to give me a model number for a USB Sound Card that > will work as I only want to do this once. I have been on the internet but > none of the sound cards tell me if the mic input is stereo. The Creative > X-Fi was too generic for me to tell which model to buy so if I had the rest > of the model information that still might be the answer. > > 73 and thanks for any information. > > Ken W0CZ [email protected] > > Sent from my iPad > > On Jun 24, 2013, at 9:24 PM, Don Wilhelm <[email protected]> wrote: > > > Ken, > > > > Since the KX3 I/Q bandwidth is limited to something like 48kHz, you do > not need an exotic soundcard which will give you a 192 kHz span, most > external soundcards will do the job just fine. > > > > The Creative X-Fi soundcard is available at a modest price, and will do > a 192 kHz span should you need it, but there may be other less costly > options that I am not aware of. The X-Fi can be modified with a couple of > added capacitors to reduce the noise level - Google for the mod information. > > > > The biggest consideration for use with the KX3 RX I/Q output is the > noise level rather than the bandwidth of the soundcard. > > > > 73, > > Don W3FPR > > > > On 6/24/2013 10:11 PM, Kenneth A Christiansen wrote: > >> Hi Don > >> > >> You answered and confirmed my suspicion. I suspect since I have a new > Elecraft cable and the sound card only has the MIKE input that it is MONO. > Do you know of a USB sound card that you will work? I would rather by > something good that I know will work than spend money on something cheap > that may not. I have got my use out of this sound card on digital ham > programs. > >> > >> Sent from my iPad > >> > >> On Jun 24, 2013, at 8:51 PM, Don Wilhelm <[email protected]> wrote: > >> > >>> Ken, > >>> > >>> Are you getting a signal to the soundcard from both the I and Q > channels? What you are seeing is normal of only one channel is fed to the > soundcard. > >>> > >>> In other words, check your cables. Plug in the left channel only into > the soundcard and see if you have a signal present, then do the same with > the right channel. > >>> > >>> It may be a cabling problem, or your sound adapter may have only mono > input. Many external soundcards have mono input when the mic input is > selected, but may (or may not) when the Line In is selected - I/Q decoding > requires stereo soundcard input - if the input is mono, you will see > exactly the condition you report. > >>> > >>> 73, > >>> Don W3FPR > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
