[Elecraft] KX3 I/Q to soundcard isolation

[Jeff Herr]

When I connect to my asus laptop I get a flood of noise.....in the radio.

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Giampiero Raschetti
Sent: Sunday, October 14, 2012 22:02
To: Barry LaZar
Cc: elecraft at mailman.qth.net
Subject: Re: [Elecraft] KX3 I/Q to soundcard isolation

I  do connect KX3 I&Q directly into my MacBookPro stereo in-line without any
additional isolation too and it works great without any problem at all
running under a parallels desktop virtual machine.
Is there any special reason to isolate this line ?

73, iw2esl / Giampiero


Sent from my iPad

On Oct 14, 2012, at 11:08 PM, Barry LaZar <k3ndm at comcast.net> wrote:

> Jeff,
>      I don't know what problem you're having, but I run without any 
> additional isolation with no problem. I go directly from my KX3 I&Q 
> out to my soundcard. Try it and see if you really need to go to the extra
grief.
> 
> 
> 73,
> Barry
> K3NDM
> 
> On 10/14/2012 4:43 PM, Jeff Herr wrote:
>> I need to provide electrical isolation between the I/Q output and my 
>> mic/line input.
>> Since this is a 2 channel output I need 2 channel (stereo) isolation.
>> 
>> Is there a commercial product anyone can point out to do this?
>> 
>> If not then I must choose a couple of audio transformers and wire 
>> them up to do the job.
>> Would someone care to make a recommendation?
>> 
>> Here is the DigiKey audio transformer page for easy reference
>> http://www.digikey.com/product-search/en/transformers/audio/786564
>> 
>> 
>> 
>> Jeff Herr  WW6L
>> 4636 Kelton Way
>> Sacramento,CA 95838
>> 916.925.6089
>> herr42 at comcast.net
>> 
>> 
>> 
>> 
>> 
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>> 
>> 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:Elecraft at mailman.qth.net
> 
> 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:Elecraft at mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html