[time-nuts] HP 10544 oscillator question

[Bob Camp]

Hi

The 10544 was a BT cut based oscillator. When they went to the SC in the 10811, making it from natural quartz was pretty much not an option. HP bought blanks from several suppliers. I suspect they each switched to synthetic at a different point. 

Bob

On Aug 26, 2013, at 1:20 PM, cdelect at juno.com wrote:

> Hi,
> 
> Reading over an old brochure for the HP 10544B and it touts the use of
> "natural" Quartz for the crystal.
> 
> Anybody know when they switched over to grown Quartz I.E. late 10544 or
> when they went to the 10811??
> 
> Thanks,
> 
> Corby
> 
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