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Re: Dumb question of the day.


 

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Ralph,

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Sent to your QRZ e-mail address.

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Paul, W9AC

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From: [email protected] <[email protected]> On Behalf Of Ralph Mowery via groups.io
Sent: Sunday, March 17, 2024 12:51 PM
To: [email protected]
Subject: Re: [DRAKE-RADIO] Dumb question of the day.

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I have two of the 8060A but have not used them in a while.? Usually use the newer auto ranging ones .? Could you send me the file about replacing the capacitors so I will have it if my 8060 fails I could try replacing them.

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ralph ku4pt

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On Sunday, March 17, 2024 at 11:37:39 AM EDT, Paul Christensen <w9ac@...> wrote:

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The 8060A was quite an achievement for a 1980s DMM design.? After graduating from college, I worked for RKO Radio in Chicago.? We depended on it for a litany of precision audio measurements.?

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I¡¯m in the minority, but I prefer manual-ranging DMMs and its one reason I keep the 8060A and one that¡¯s NOS in the box. ?Even the fastest auto-ranging DMMs slow me down when working through a problem.

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A while back, I did correspond with Dr. Taylor though EEVBlog. Searching though the same message board is a complete set of instructions for electrolytic cap replacement and a B.O.M.? Today, many 8060A stability issues are a result of failed low WVDC caps.? If anyone would like a copy, let me know.

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The ultra-high Z tool you mentioned may have been the first implementation in a DMM.? Nice for DC work, but of course, an isolating-tip probe is still needed for many Hi-Z RF measurements.

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Paul, W9AC?

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