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Re: [RFI] DSL Filter Update

To: "RFI List" <rfi@contesting.com>
Subject: Re: [RFI] DSL Filter Update
From: "Jim Brown" <jim@audiosystemsgroup.com>
Date: Sun, 08 Mar 2009 17:31:46 -0800
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
On Sun, 8 Mar 2009 18:05:38 -0500 (CDT), Christopher E. Brown wrote:

>A filter with a sharp cutoff starting around 3Mhz combined with heavy 
>common mode choke would have alot less impact on the sync rate.

That's sort of the direction I was thinking about. Note that one can get 
quite serious with a common mode choke without affecting the 
differential mode circuit at all. Thanks for the info re: 2.2 MHz max 
bandwidth. The engineer friend I consulted on this told me 1.1 MHz. 
Sharp guy, but his experience in that industry was at least 4-5 years 
old, and he's been doing completely different things since. 


Jim Brown K9YC

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