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Re: Filter Choke Design



At 08:37 AM 3/11/96 +0700, you wrote:
>>From scotty-at-wesnet-dot-com Sun Mar 10 01:17 MST 1996
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>Date: Sat, 09 Mar 1996 23:08:21 -0500
>From: Scott Myers <scotty-at-wesnet-dot-com>
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>To: tesla-at-grendel.objinc-dot-com
>Subject: Re: Filter Choke Design
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>
>Hi Malcom,
>
>> Problem is, a saturated core has an induction factor approaching that
>> of air, and I think it's agreed that air-core chokes are no good. I
>> honestly think that neon trannys don't need chokes, because if you
>> look at an equivalent circuit, you see some massive inductance (the
>> neon secondary measuring hundreds of Henries) in series with a few
>> mH. Additionally, I would think that 5K or so of winding resistance
>> would swamp the esr of a small lossy choke.
>
>Interesting point.  I'm intrigued.  But what about the first few hundred
>turns or so on the neon transformer.  Do you think that they will see a
>good deal of RF?  I'd like to hear more of this idea.  I've never tried to
>run a neon without a choke.  Perhaps others hear have run neons extensively
>without chokes and could give some input.
>
>Scott Myers
>
>

I'd give a report on the neons I've run without chokes, but they're all dead
now, ;)

Bert