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Article #826

Re: Rigol caught with their pants down! (DS1052E Oscilloscope)

#826
From: krw
Date: Tue, 21 Jul 2009 23:17
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On Mon, 20 Jul 2009 14:51:59 -0700, Joerg <invalid@invalid.invalid>
wrote:

>RFI-EMI-GUY wrote:
>> Joerg wrote:
>>> Joel Koltner wrote:
>>>> "John Larkin" <jjlarkin@highNOTlandTHIStechnologyPART.com> wrote in 
>>>> message
>>>>> Sure. Life is risky. Given a product with 200 different parts, two of
>>>>> which are overstressed, there's probably more risk that one of the 198
>>>>> other parts will be EOL'd.
>>>>
>>>> Have you ever been caught in the situation of one of your 
>>>> over-stressed parts being changed by the manufacturer in such a way 
>>>> so as to render it unsuitable for your needs?
>>>>
>>>
>>> Happened to another engineer: Bought tons of 5% capacitors for 
>>> production, went into Hilbert shifters. They always hand-picked the 1% 
>>> parts out of this lot and used the rest for jelly-bean stuffing. One 
>>> balmy summer day they found the first shipment that had a hole smack 
>>> in the middle of the Gaussian tolerance curve. Obviously someone had 
>>> detected a business opprotunity ... whoops.
>>>
>> 
>> Sure production ends on the part and then they look in the stockroom and 
>> find a dusty box of parts, where did they come from? Probably someone 
>> else hand picked parts and sent the rest back for restock!
>> 
>
>They couldn't be that brazen unless they'd have gone to great lengths 
>such as re-belting them all. Because the good ones weren't all in front 
>section.

We've had stuff put onto reels.  There are companies that do this.  I
doubt it would be worth it for capacitors, but maybe.  My bet is that
it was the manufacturer doing the binning.
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From: krw <krw@att.bizzzzzzzzzzz>
Newsgroups: sci.electronics.design,aus.electronics
Subject: Re: Rigol caught with their pants down! (DS1052E Oscilloscope)
Date: Tue, 21 Jul 2009 18:17:04 -0500
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