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Message from discussion Good Cheese - Student Edition

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From: John Larkin <jjSNIPlar...@highTHISlandtechnology.com>
Newsgroups: sci.electronics.design
Subject: Re: Good Cheese - Student Edition
Date: Sun, 20 May 2012 18:13:19 -0700
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On Sun, 20 May 2012 18:00:14 -0700, Jim Thompson
<To-Email-Use-The-Envelope-I...@On-My-Web-Site.com> wrote:

>On Sun, 20 May 2012 16:34:09 -0700, Jim Thompson
><To-Email-Use-The-Envelope-I...@On-My-Web-Site.com> wrote:
>
>>On Sun, 20 May 2012 16:23:07 -0700, John Larkin
>><jjSNIPlar...@highTHISlandtechnology.com> wrote:
>>
>>>On Sun, 20 May 2012 15:28:08 -0700, Jim Thompson
>>><To-Email-Use-The-Envelope-I...@On-My-Web-Site.com> wrote:
>>>
>>[snip]
>>>
>>>>
>>>>And you now have a transient load that's only 16% of steady-state, and
>>>>it looks like you tweaked the TR/TF, PW and PER for "prettiest
>>>>picture".
>>>
>>>No, I hacked some reasonable values and didn't change them. I did
>>>tweak the times of the load steps for pretty graphing, but all the
>>>transients are settled so that doesn't matter.
>>>
>>>>
>>>>I think you're lying.  Makes one wonder how many other things you've
>>>>lied about... I suspect MOST of your claims.
>>>
>>>Lying about what? The PDF schematic is a sheet from the actual
>>>product, and the pictures of the PCB are real, and it works. We've
>>>shipped about 8 so far, and the customer is happy. This is one box of
>>>six that we furnish for this project. They all worked with rev A PCBs.
>>
>>I know you are lying... but that's SOP for you.  The drawing you
>>posted may well be what you postulated... but it's been tweaked on the
>>board... as drawn, it sings like a sonnuva-bitch... just like you ;-)
>>
>>I'll post my simulation later.  Why did you need to add a zero in your
>>compensation?  Liar!  Liar!  Pants on fire :-)
>>
>>>
>>>What fraction of your chip designs work first pass?
>>
>>100% "work", I never had any DOA except for process house bungles,
>>which they make good on.  But I'm proud of my 99.75% record of meeting
>>specification, first pass.
>>
>>What fraction of your PCB's don't need a tweak?
>>
>>>
>>>>
>>>>I didn't lie about killfiling you.  The filter works perfectly.
>>>>However I do admit to peeking periodically to see what QUACK claims
>>>>you had been making :-)
>>>
>>>No self control. You even cheat on yourself.
>>>
>>
>>Always some smug ass remark.  But I never lie... it's much easier to
>>keep track of truth than obfuscation.
>>
>>You ought to be ashamed of yourself.  You are indeed NOLA trailer
>>trash.
>>		
>>                                        ...Jim Thompson
>
>I just noticed that "quack-quack slippery bastard" slipped us some old
>drawings and simulations... he didn't attempt to simulate what he
>claimed worked.  Wonder if "quack-quack slippery bastard" would allow
>some independent party, say Spehro, trace the board "quack-quack
>slippery bastard" claims works and verify (and post) what _exactly_ is
>on the PCB?
>
>I doubt it will ever happen.
>		
>                                        ...Jim Thompson

What's on the PCB is what's on the PDF schematic that I posted. I
didn't change the BOM from the original layout, at least not this
part.

Sure, buy Sphero a plane ticket, and put him up at W or the Four
Seasons, and let him check the boards. Include dinner at Boulevard,
recently rated the best restaurant in the USA.