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Groups > sci.electronics.design > #449412
| From | Joerg <news@analogconsultants.com> |
|---|---|
| Newsgroups | sci.electronics.design |
| Subject | Re: analog failures |
| Date | 2017-02-27 07:51 -0800 |
| Message-ID | <ehj08eFibipU1@mid.individual.net> (permalink) |
| References | (9 earlier) <egohbvF8ge7U1@mid.individual.net> <004c4a1f-ecc9-422d-a982-ce163d9224a2@googlegroups.com> <eh8oq2Fgp7rU1@mid.individual.net> <aea01369-3969-4913-8159-244ee3115243@googlegroups.com> <aa9ed293-4605-4aaa-bd28-2155c7eebdc2@googlegroups.com> |
On 2017-02-26 17:44, Klaus Kragelund wrote: > On Friday, February 24, 2017 at 6:15:02 PM UTC+1, Lasse Langwadt > Christensen wrote: >> Den torsdag den 23. februar 2017 kl. 19.43.23 UTC+1 skrev Joerg: >>> On 2017-02-22 15:45, dagmargoodboat@yahoo.com wrote: >>> >>> [...] >>> >>>> >>>> AIUI you can clear nearly all the i2c deadlocks by having the >>>> master cycle the clock 9 times (or by just cycling the power >>>> :). >>>> >>> >>> Thing is, my clients typically do not want to hear the word >>> "nearly" :-) >>> >>> A vendor wanted to convince a client to adopt press-fit for >>> motherboards. Something I never liked and where I have seen >>> failures. Big meeting. Went like this: >>> >>> "We guarantee 99.9% contact reliability on DIN connectors" ... a >>> certain consultant raises hand ... "Sir, our motherboard has lots >>> of DIN connectors and the pin number totals 3,456. According to >>> your statement three to four of those could fail to connect >>> reliably. Could you tell us which ones those would be?" >>> >>> The meeting sort of ended. >>> >> >> he must have pulled that number from somewhere the sun doesn't >> shine, there is no way it is that bad > > We use press fit in running production. I have never heard about > failures, once the process is running correctly > They usually happened on units where boards were pulled and plugged often. Also on systems that were exposed to very rough transport like hundreds of miles on washboard roads in a raggedy old truck. Soldering those motherboards fixed that problem. The press-fit had been performed professionally at a company that specialized in this technology but it still failed at times. -- Regards, Joerg http://www.analogconsultants.com/
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analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-14 14:47 -0800
Re: analog failures Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-02-14 15:05 -0800
Re: analog failures Reinhardt Behm <rbehm@hushmail.com> - 2017-02-15 10:52 +0800
Re: analog failures bill.sloman@ieee.org - 2017-02-14 19:00 -0800
Re: analog failures Reinhardt Behm <rbehm@hushmail.com> - 2017-02-15 11:55 +0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-15 07:53 -0800
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-15 08:30 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-15 10:19 -0800
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-15 10:53 -0800
Re: analog failures Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-02-15 10:58 -0800
Re: analog failures "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-02-15 21:25 -0600
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-15 20:18 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 15:44 -0500
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 15:30 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 14:05 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 17:16 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 14:38 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 17:58 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 15:37 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 18:51 -0500
Re: analog failures krw@notreal.com - 2017-02-17 20:27 -0500
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-17 17:56 -0800
Re: analog failures "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-02-17 21:03 -0600
Re: analog failures krw@notreal.com - 2017-02-17 22:36 -0500
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-19 00:45 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-19 08:32 -0800
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-21 12:31 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-23 14:57 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-23 12:02 -0800
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-17 17:27 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 20:39 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-18 07:41 -0800
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-18 08:04 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-18 08:16 -0800
Re: analog failures Reinhardt Behm <rbehm@hushmail.com> - 2017-02-16 06:49 +0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-16 07:14 -0800
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-16 07:24 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-16 07:41 -0800
Re: analog failures Reinhardt Behm <rbehm@hushmail.com> - 2017-02-17 13:22 +0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 06:58 -0800
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-17 12:26 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 14:03 -0800
Re: analog failures "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-02-17 21:05 -0600
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-18 08:07 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-18 08:20 -0800
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-18 09:20 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-19 00:48 -0500
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-21 12:39 -0800
Re: analog failures "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-02-21 22:54 -0600
Re: analog failures krw@notreal.com - 2017-02-17 20:33 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-18 07:37 -0800
Re: analog failures dagmargoodboat@yahoo.com - 2017-02-22 15:45 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-23 10:43 -0800
Re: analog failures krw@notreal.com - 2017-02-23 20:42 -0500
Re: analog failures "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-02-24 03:31 -0600
Re: analog failures grahamholloway@graham65.plus.com - 2017-02-24 06:39 -0800
Re: analog failures Don Kuenz <g@crcomp.net> - 2017-02-24 14:58 +0000
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-25 12:48 -0800
Re: analog failures pcdhobbs@gmail.com - 2017-02-26 04:39 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-26 07:52 -0800
Re: analog failures dagmargoodboat@yahoo.com - 2017-02-24 09:02 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-25 12:44 -0800
Re: analog failures dagmargoodboat@yahoo.com - 2017-02-26 08:29 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-26 09:46 -0800
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-26 10:11 -0800
Re: analog failures krw@notreal.com - 2017-02-26 17:55 -0500
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-26 15:09 -0800
Re: analog failures krw@notreal.com - 2017-02-26 19:30 -0500
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-27 10:37 -0800
Re: analog failures Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-02-24 09:14 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-25 12:46 -0800
Re: analog failures Klaus Kragelund <klauskvik@hotmail.com> - 2017-02-26 17:44 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-27 07:51 -0800
Re: analog failures Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2017-02-23 21:36 +0200
Re: analog failures dagmargoodboat@yahoo.com - 2017-02-24 08:38 -0800
Re: analog failures krw@notreal.com - 2017-02-24 20:20 -0500
Re: analog failures kevin93 <kevin@whitedigs.com> - 2017-02-24 17:36 -0800
Re: analog failures Ralph Barone <ralph@invalid.com> - 2017-02-15 03:25 +0000
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-14 19:20 -0800
Re: analog failures Tim Wescott <seemywebsite@myfooter.really> - 2017-02-14 17:46 -0600
Re: analog failures Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-02-14 17:50 -0700
Re: analog failures Tim Wescott <tim@seemywebsite.com> - 2017-02-14 23:49 -0600
Re: analog failures Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-02-15 07:03 -0700
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-15 10:18 -0800
Re: analog failures Tim Wescott <seemywebsite@myfooter.really> - 2017-02-15 15:06 -0600
Re: analog failures legg <legg@nospam.magma.ca> - 2017-02-16 23:06 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 07:00 -0800
Re: analog failures legg <legg@nospam.magma.ca> - 2017-02-17 13:22 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 11:06 -0800
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