[hpsdr] Mercury Audio Out

[Tim O'Rourke]

Power Supply?
Tim


-----Original Message-----
>From: VK3LAJ Anthony <vk3laj at radiogeeks.net>
>Sent: Nov 1, 2010 10:19 PM
>To: 'Pat McGrath' <ka6tya at arrl.net>, hpsdr at lists.openhpsdr.org
>Subject: Re: [hpsdr] Mercury Audio Out
>
>***** High Performance Software Defined Radio Discussion List *****
>
>RF?
>
>
>-----Original Message-----
>From: hpsdr-bounces at lists.openhpsdr.org
>[mailto:hpsdr-bounces at lists.openhpsdr.org] On Behalf Of Pat McGrath
>Sent: Tuesday, 2 November 2010 1:09 PM
>To: hpsdr at lists.openhpsdr.org
>Subject: [hpsdr] Mercury Audio Out
>
>***** High Performance Software Defined Radio Discussion List *****
>
>On transmit should Mercury audio out be disabled?
>
>If So How?
>
>I hear a hum from PC speakers on transmit?
>
>If I disconnect the audio on the Mercury the hum stop.
>
>It is not due to a ground loop Which I tested with a Radio Shack  ground 
>loop isolator.
>
>Any advise would be appreciated.
>
>
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Tim O'Rourke 
W4YN at ARRL.Net
Low Power Amateur Radio Rocks 
Member of Flying Pigs,ARCI,GQRP,RSGB,ARRL Life Member
NHRA Life Member

 1288692743.0