AW: AW: [time-nuts] Strange effect with C-Field change -- and a bitofdata
Hubert v. Bonhorst
hvonbonhorst at t-online.de
Sun Mar 27 16:54:53 EST 2005
How did you know the correct value for oven temperature? etc.
Von: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] Im
Auftrag von John Ackermann N8UR
Gesendet: Sonntag, 27. März 2005 20:57
An: Discussion of precise time and frequency measurement
Betreff: Re: AW: [time-nuts] Strange effect with C-Field change -- and a
Brooke Clarke wrote:
> Can you tell if just a raw tube was installed in you HP or is there a
> printed circuit board on the tube? A photo might be worth 1,000 words.
The retrofit kit is just the tube plus mounting hardware (it's
physically quite a bit smaller than the HP tube). There's no additional
circuitry, and no electrical changes to the HP chassis, other than the
several tube-specific components that you need to change to adjust oven
temperature and C field centering, etc. (just like you need to do when
changing HP tubes).
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