[time-nuts] Looking for HP105B addendum for HP11801 oscillator upgrade

Charles Steinmetz csteinmetz at yandex.com
Fri Mar 6 15:52:20 UTC 2020


Taka Kamiya wrote:

> I have an HP105B with a newer HP11801 oscillator.   *  *  *    According to archive, this particular update was never a part of the main manual but was covered in separate 1/2" thick yellow booklet.  Does anyone have a soft-copy of this?

What I have is a 39-page document of "Manual Updating Changes" dated 
April 5, 1989 that covers the update ("This supplement adapts your 
manual to instruments with serial numbers prefixed through 2848A.").  It 
has schematics.

This is available at ko4bb.com as a .zip file, somewhat confusingly 
named "HP 105B Crystal Oscillator Service Manual-HP105B PSU.zip."

Visit the "manuals" page 
<http://www.ko4bb.com/getsimple/index.php?id=manuals> and search for 
"hp105" (do not type the quotation marks).

The .zip file contains two files, 37 pages of text plus 2 pages of 
full-size schematics.

Best regards,

Charles






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