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I managed to read into your question what I had just done rather than what you were asking. Somehow I completely overlooked that you were talking about audio and not RS-232 interfacing of your receiver. Fortunately Craig Healy offered an alternative to what you were really looking for. I'll be interested to know of your results. Not that it matters anymore, but there is a possible optical solution to your *audio* problem, in addition to the one I mentioned for RS-232. Using a pair of Toslink converters and a length of matching cable would provide an optical barrier to electrical noise between the PC and receiver. This approach would be more expensive though, probably about seventy dollars. I have not tried this, but it seems straightforward, though not so simple as the transformer solution. If you're interested for future reference, something to look at are the POF-820 and POF-830 converter pair: http://www.ramelectronics.net/html/audio_toslink_adapters.html#pof-820 Here are good descriptions of Toslink cables and a wide variety, which could be used between the converters: http://www.ramelectronics.net/html/audio_toslink_cables.html Curt W. Curt Deegan John Hunter wrote: Thanks Curt! Do you know of any that isolate the receiver audio output into the line in of a computers sound card? I would like to use SeaTTY for RTTY and NAVFAX and also CWGet to help with NDB identification. As soon as I plug my receivers into the MIC or Line in jack I get a very loud hash in the radios that interferes with recording, etc. Thanks! John Hunter Rossville, GA At 10:22 PM 12/1/2005, you wrote:Take a look at this link: http://www.bb-elec.com/product_family.asp?FamilyId=1 Be aware that the 9SPOP2 requires power from the attached device interface. The RS-320 will not work with this adapter because not all lines are present in the interface. At least that is my assessment. I have this coupler and it will not work with the RS-320. I think the 9POP4 will, because it uses an external power source. I have not tried this one, however. I have used the 9SPOP2 with another computer-to-receiver arrangement and it worked quite well in eliminating a large part of the computer noise. Physical placement also helped. Curt W. Curt Deegan John Hunter wrote: |
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