[RFI] Ballast for fluorescent lamp

[Richard Battles]

I would try a lighting store,  older hardware store, industrial supply,
 not lowes, or the home depot.

richard

On Mon, Dec 24, 2012 at 10:46 AM, Jim Brown <jim at audiosystemsgroup.com>wrote:

> On 12/24/2012 8:29 AM, Steve wrote:
>
>> The big-box stores only carry the electronic ballasts. Wonder if the
>> electronic ballast will cause me problems?
>>
>
> Expect them to be noisy.  Noise is radiated (at least) three ways -- from
> the tubes themselves, from wiring between the controller and the tube(s),
> and from power wiring. I've seen advice from the EMC community that it's
> possible to shield the fixture with screen wire to kill the wiring from the
> tube, and radiation from power wiring can be killed with a good common mode
> choke, using the measured data of Appendix One of my RFI tutorial as
> winding guidelines.
>
> http://audiosystemsgroup.com/**RFI-Ham.pdf<http://audiosystemsgroup.com/RFI-Ham.pdf>
>
> 73, Jim K9YC
>
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