[1000mp] MP vs MkV vs K2

Sat, 29 Jun 2002 19:32:52 -0600

Where are the non-linear products in the MP being generated?  In particular,
are they in the early stages, prior to the 8.2 and 455 IF filters?
Generally harmonics and intermod products are generated in the latter
stages, where the signal levels are the highest.  And woujld be after one or
both IF filters.

The point I'm heading for is:  What is the significance of  20 KHz. spaced
signals, or even 5 KHz spaced signals, if the nonlinear products are
generated after the IF filters, where you won't have both of those strong
signals simultaneously present?

If they are generated in the pre-IF circuits, then this line of questioning
makes sense.  If they are post-IF-filter, or in the product detector or
audio stages, then I'm not so sure it holds water.

The assumption in the measurements must be that the nonlinear products are
generated pre-IF filters.  Does anyone know this for sure?

73,
Tom / W7GT

 ----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: Saturday, June 29, 2002 4:07 PM
Subject: Re: [1000mp] MP vs MkV vs K2

> These aren't the only items to look for when buying a rig!  I'd like to
see
> the specs on the k2 for Image Rejection, IF Rejection, Adjacent Channel
> Rejection, and Selectivity... to name several!  Why aren't they posted???
> With the K2's simple design and limited filtering, one would expect it to
be
> good in those areas.
>
> John
> N2KBE
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