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

Subject: Re: [Amps] help diagnosing a bad 8450a probe ?
From: Dan Sawyer <>
Date: Fri, 09 Dec 2005 06:59:26 -0800
List-post: <>
Peter -

Thank you. Is there a simple way to match them? I have an old Tek curve 
tracer. Will a simple visual match work?

73 Dan - kb0qil

Peter Chadwick wrote:

> 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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