[time-nuts] Maintaining boatanchors (was Capacitor Failures)

David Smith w6te at msn.com
Fri Oct 22 22:25:33 EDT 2010


Where is k4obb's website?

Dave W6TE
  ----- Original Message ----- 
  From: paul swed<mailto:paulswedb at gmail.com> 
  To: Discussion of precise time and frequency measurement<mailto:time-nuts at febo.com> 
  Sent: Friday, October 22, 2010 7:00 PM
  Subject: Re: [time-nuts] Maintaining boatanchors (was Capacitor Failures)


  I save images at k4obbs website.
  I will have to look at bluefeather see what thats about.
  Thanks

  On Fri, Oct 22, 2010 at 7:02 PM, Chuck Harris <cfharris at erols.com<mailto:cfharris at erols.com>> wrote:

  > I don't believe the parts are failing due to structural
  > problems, but rather are just leaking down their buried charge.
  >
  > It should be quite possible to refresh them by erasing them and
  > reprogramming.
  >
  > -Chuck Harris
  >
  >
  > Bob Camp wrote:
  >
  >> Hi
  >>
  >> Find pin compatible replacement EPROM's while you still can. They don't
  >> make all those small / slow / multiple supply
  >> / parts any more.  Saves building all sorts of strange adapter boards as
  >> well as re-shooting the memories.
  >>
  >> Bob
  >>
  >>
  >> On Oct 22, 2010, at 6:44 PM, Poul-Henning Kamp wrote:
  >>
  >>  In message<
  >>> 1498648302.205602.1287785250803.JavaMail.root at sz0110a.emeryville.ca<mailto:1498648302.205602.1287785250803.JavaMail.root at sz0110a.emeryville.ca> .
  >>> mail.comcast.net>,
  >>> k6rtm at comcast.net<mailto:k6rtm at comcast.net> writes:
  >>>
  >>>  What to do? Pop out the parts and rewrite them? Dump them to disk as
  >>>> well?
  >>>>
  >>>
  >>> Make backup-copies while they have no problems.
  >>>
  >>> -- Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20 phk at FreeBSD.ORG<mailto:phk at FreeBSD.ORG>        | TCP/IP since RFC 956 FreeBSD
  >>> committer       | BSD since 4.3-tahoe Never attribute to malice what can
  >>> adequately be explained by incompetence.
  >>>
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