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Re: [TowerTalk] slipping every so slightly off-topic

To: <>, "Towertalk" <>
Subject: Re: [TowerTalk] slipping every so slightly off-topic
From: "Tom Rauch" <>
Reply-to: Tom Rauch <>
Date: Wed, 30 Jun 2004 18:28:59 -0400
List-post: <>
> The reason that an unmodified PRO demonstrates distortion
> an apparent reduction of close-in IMD is NOT lack of
> selectivity.  The roofing filter bandwidth is +/- 7.5KHz
> center frequency.  All signals within the roofing filter
> AM demodulated to create the noise blanker drive signal.
> is amplified in a chain which is powered from the 8V rail.

You're talking about a totally different problem. You are
talking about the low pitched PRO rumble and I am talking
about IM3.

IM3 is the mixing of two signals that produces a third
"phantom" signal.

73 Tom


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