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Re: bandwidth of DEM 2300-2450 MHz ULNA



These amplifiers do not have a band pass filter. They have a lot of gain
below and above those frequencies. You cannot count on these for any
additional image rejection.

Pieter


----- Original Message -----
From: "Estes Wayne-W10191" <W10191@motorola.com>
To: <amsat-bb@AMSAT.Org>
Sent: Monday, May 21, 2001 12:20 PM
Subject: [amsat-bb] bandwidth of DEM 2300-2450 MHz ULNA


> The DEM S-band ULNA has a published bandwidth of 2300-2450 MHz.  The data
sheet does not include a frequency response plot.
>
> Has anybody swept the DEM 2300-2450 MHz ULNA to see how sharp the bandpass
filters are?  My main interest is to know how much the gain rolls off at
2155 MHz which is the image frequency of my TSI downconverter.
>
> Wayne Estes W9AE
> Mundelein, IL, USA
>
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