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Re: bandwidth of DEM 2300-2450 MHz ULNA



Speaking of which---I was going forward with the mod to add the band pass 
filter to one of my Transystem 3373 units.  I did a web order for 3 of 
parts, but got this email today :(

Anybody want in on a group purchase?  I only want 3, *not* 50 units!!

>From: Lynn Tracey <Lynn.Tracey@future.ca>
>To: "'hammond@surrealnet.net'" <hammond@surrealnet.net>
>Subject: delay in order 10085
>Date: Mon, 21 May 2001 09:55:19 -0400
>Return-Receipt-To: Lynn Tracey <Lynn.Tracey@future.ca>
>MIME-Version: 1.0
>X-Mailer: Internet Mail Service (5.5.2653.19)
>Content-Type: text/plain
>X-RCPT-TO: <hammond@surrealnet.net>
>X-UIDL: 253740248
>Status: U
>
>Hi Mark,
>Unfortunately when it came for your order to ship we  had no broken stock
>available in  part DFC22R44P084B50 . It has a min buy of 50 pieces .I can
>lower the price from 8.30 to .4.30 for the 50 pieces .Let me know if you are
>interested in changing your quantity.
>
>
>
>
>LYNN TRACEY
>Future Electronics
>Internet Sales
>TEL:1-800-477-6668 ext.2-4069
>FAX:1-800-645-2953
>lynn.tracey@future.ca <mailto:lynn.tracey@future.ca>


At 12:41 PM 5/21/2001 -0400, Pieter Ibelings wrote:
>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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> > To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
> >
>----
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Mark L. Hammond  [N8MH]

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