[Elecraft] The Sherwood report

[Wes Stewart]

An unfortunate choice of terms on my part has caused some confusion.

While my particular filter's passband is asymmetrical, something mentioned in passing, the asymmetry I was really referring to is a difference between something on one end of the filter from the other.  It could be either a crystal or a transformer (if used).

Wes  N7WS

-- On Thu, 12/2/10, Joe Subich, W4TV <lists at subich.com> wrote:

> From: Joe Subich, W4TV <lists at subich.com>
> 
> > So considering the potential effects of asymmetry in
> the build of
> > the  filter(s) it doesn't surprise that reversing
> the filter might
>  > make a difference, *if* filter IMD is the dominate
> factor.
> 
> Reversing the filter in the mounting does not effect
> bandpass symmetry.
> However, if the filter skirts are asymmetrical, measured
> IMD will most
> certainly be different in CW and CW-R - e.g., with the
> interfering
> tones above vs. below the filter passband.
> 
> 73,
> 
>     ... Joe, W4TV
>