Re: [IRCA] Audio Optoisolaters

["W. Curt Deegan" <WWWR@xxxxxxxxxxxxx>]

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:

>Hi again, Sorry for the recent barrage of questions but I am trying to 
>solve  some severe RF-EMI problems. I went ahead yesterday and rolled a 
>balun using a core of unknown composition and when I turned on the radio 
>and went down into LW I noticed that the LOUD AC buzz that had previously 
>plagued that area was completely gone and the band was full of previously 
>unheard beacons! It also worked well up to 30 mc.
>Now I am trying to get rid of the noise introduced into my receivers from 
>my computer and remember reading that someone had found a place that sold 
>Audio Optoisolaters to connect the two together eliminating the 
>computer"hash" and monitor noise. Unfortunately I can't find that email or 
>any web site that sells them. Does anyone know where I can get one? Any 
>help would be greatly appreciated.
>Sincerely,
>John Hunter
>Rossville GA
>
>
>  
>
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