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Re: Filter Choke Design

tesla-at-grendel.objinc-dot-com On Wed, 13 Mar 1996 08:30:36 +0700, you
wrote:

>>From jim.fosse-at-bdt-dot-com Wed Mar 13 01:21 MST 1996
>>Received: from bdt.bdt-dot-com (root-at-bdt-dot-com [140.174.173.10]) by uucp-1.csn-dot-net (8.6.12/8.6.12) with SMTP id VAA27982 for <tesla-at-grendel.objinc-dot-com>; Tue, 12 Mar 1996 21:29:54 -0700
>From: jim.fosse-at-bdt-dot-com (Jim Fosse)
>To: tesla-at-grendel.objinc-dot-com
>Subject: Re: Filter Choke Design
>Date: Wed, 13 Mar 1996 04:28:16 GMT
>
>
>>>Subject: Re: Filter Choke Design
>>>
>>>Does anyone have any way of checking the effectiveness of
>>>magnetic core chokes working near saturation?  I, too, suspect
>>>that the losses associated with saturation may help damp
>>>what could otherwise be some nasty transient effects.  I 
>>>wish I had a good high voltage divider for my scope.
>>>Ed Phillips
>>>
>>>
>>
>>You might want to look at using a good commercial designed divider designed
>Ed ,
>	sometime in the last 3 months I bought a 
>
>		Time & Frequency Technology Inc.
>		Plate Voltage Kit
>		PVK-01
>		$19.95
>
>	It's 2 100Mohm and a 20 Mohm resistors in series with a 33K 2
>diodes and a parallel cap. By cutting out the cap and changing the 33k
>to 22K I get a 1000:1 divider. I've spent the last 2 nights looking
>for it in my surpluses catalogs for you. I can't find it. I think I
>bought it at Alltronics 408-943-9773	info-at-alltronics-dot-com
>
>Try them. I'll keep looking
>
>	jim
>
I stopped by alltronics today to purchase some 5K 100w resistors to
try out malcolm's idea of damping the RFI filter. They do have the HV
divider. Just ask, it's not in the catalog.

	jim