Fw: [1000mp] inrad 1.8 filter experience

[n3drk]

----- Original Message -----
From: "n3drk" <n3drk at triad.rr.com>
To: <cherokeehillfarm at earthlink.net>
Sent: Saturday, May 28, 2005 8:01 PM
Subject: Fw: [1000mp] inrad 1.8 filter experience


> > The use of the DSP filters in the second IF, adds quite sharp skirts to
> the
> > analog filters, and can be superimposed over the various filter
> > combinations.  When the band is quiet, and the QRM low, I especially
like
> > the use of no filter in the second IF, and the 6 khz ceramic filter in
the
> > third.  For additional selectivity, you then engaged the DSP into the
> second
> > IF.  These combinations give the lowest noise floor possible.
>
> Mike, thanks for the reply. I still do not understand something. The DSP
> filters are in the 4th IF are they not? What do you mean by using them in
> the second IF? Also what do you mean by not using a filter in the second
IF?
> Do you physically go into the rig and take the filter out? If not what do
> you do in the menu to create this effect?
>
> Thanks
> john
>