I think the ARRL RFI handbook has test data on a
bunch of different LPFs and HPFs in the Appendix.
It is interesting to note the wide variation in performance.
----- Original Message -----
From: "Peter Chadwick" <firstname.lastname@example.org>
To: "Jim Brown" <email@example.com>; "Tower Talk List"
Sent: Tuesday, August 16, 2005 12:11 AM
Subject: Re: [TowerTalk] Are All Low-Pass Filters Alike?
>I agree with Jim, K9YC. It's impossible to determine the real differences
> between them. A Cauer Chebycheff can be usefully arranged to have notches
> harmonics of the various bands, but it doesn't say so.
> What it does say is pretty well pure BS.
> Peter G3RZP
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
> any questions and ask for Sherman, W2FLA.
> TowerTalk mailing list
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
TowerTalk mailing list