[Yaesu] FW: roofing filters

[Keith Dutson]

It is actually a part of the first mixer.

Keith 

-----Original Message-----
From: Paul Manuel [mailto:k4pdm at yahoo.com] 
Sent: Friday, July 21, 2006 11:36 AM
To: Keith Dutson
Subject: Re: [Yaesu] FW: roofing filters



--- Keith Dutson <kdutson at sbcglobal.net> wrote:
> I believe the new term was first used when the filter in front of the 
> IF string became selectable.  The filters you are speaking of are IN 
> the IF string.

So there is a switchable filter that works at the actual received frequency,
before frequency conversion to an IF? Now I am really confused!
73,
Paul K4PDM

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