[1000mp] Fwd: Topband: FT1000 MK V

Mon, 20 Jan 2003 15:41:25 -0500

>Return-Path: <[email protected]>
>Reply-To: "Tom Rauch" <[email protected]>
>From: "Tom Rauch" <[email protected]>
>To: <[email protected]>
>Subject: Topband: FT1000 MK V
>Sender: [email protected]
>Date: Mon, 20 Jan 2003 14:28:17 -0500
>
>Someone might forward this to an MP reflector if there is one for the MK V.
>
>I'm playing with a new MK V, and just finishing a page on mods.
>
>It has not only the same nasty keyclicks of a stock MP, it has the noise
>blanker problem of the FT1000(D) that hurts IM performance of close signals
>when the noise blanker is OFF. Two 6kHz spaced test signals only
>30-over-nine create severe IM products!!
>
>This noise blanker problem appears to be the entire reason the MK V tests
>poorer than a stock MP in close-spaced IM3 testing in test reports, because
>IM3 gets about 10dB better when I disable the NB amplifier manually (it
>stays on with full gain when the blanker is off).
>
>As soon as I have complete mods and measurements, I'll post the URL here.
>
>73 Tom
>
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73, Pete N4ZR
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