[TVI-RFI-EMI] RFI from florescent lights

[Frederick]

Hi Jim,

     I must first start with a disclaimer, because I haven't actually 
resolved an issue like this before. On the other hand, several ideas come to 
mind.
First, are the lights 12V or 110V?
Second, are the balins in the lights working properly?
Thirdly, if the lights are 12V you may be able to use the old 2 pekoe farad 
capacitor trick like they do on telephone lines to reduce RFI. You would 
need to be sure to get capacitors that have a high enough voltage rating 
though.
                    God bless,
                    Mark WZ0K
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----- Original Message ----- 
From: "Jim Davis" <aa7az at juno.com>
To: <tvi-rfi-emi at mailman.qth.net>
Sent: Saturday, November 04, 2006 9:53 AM
Subject: [TVI-RFI-EMI] RFI from florescent lights


>I am having a terrible time with RFI from the florescent lights in my 38
> foot motorhome getting into my IC-706 which is mounted in the rear of the
> motorhome. I think I hear the interference on all HF bands, but it is
> especially bad on 75 meters. The RFI manifests itself by producing loud
> birdies and squeals into the receive audio. Soon as I turn the light
> switch off, the noise goes away.
> I lowered the light fixtures and wrapped the supply leads with RF chokes
> to no avail and put chokes on the leads connected near the switch also to
> no avail.
> I haven't contacted the RV manufacturer yet, but that may be the next
> step if a solution isn't forth coming.
> Any suggestion would be appreciated
> Thanks & 73
> Jim/AA7AZ
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