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Re: [Amps] help diagnosing a bad 8450a probe ?

To: Dan Sawyer <dansawyer@earthlink.net>, amps <amps@contesting.com>
Subject: Re: [Amps] help diagnosing a bad 8450a probe ?
From: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
Reply-to: g3rzp@g3rzp.wanadoo.co.uk
Date: Fri, 9 Dec 2005 13:34:13 +0100 (CET)
List-post: <mailto:amps@contesting.com>
Dan said: 
> However one shows a 1V peak to peak distorted sine 
like wave. This probe actually works, however due to the fault it has a 
phase frequency error<
Have you checked the four Schottky diodes in the sampler? I've had funny 
answers like yours when one of them had died. BTW, you need to replace all four 
with a matched quad, not change just one.
73
Peter G3RZP
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