[time-nuts] HP 5065A performance vs. others

[Bob Camp]

Hi

Simple answer:

An FRK is a 1971 Chevy Impala

A 5065 is a 1971 Ferrari Daytona

A LPRO is a 1995 Chevy Impala

Just about everything in the 5065 is an improvement over the equivalent sub assembly in an LPRO or  FRK. Several things in the physics package are improvements.. They are not the only thing that directly contributes to improved performance. 

Given the substantial difference in price when new and the substantial size difference none of that is really surprising. The FRK was a compact design in it's day. The LPRO was an equally small design in it's era. There are a lot of things you can do when you have more room to do it in. 

Bob


On Mar 21, 2010, at 4:59 PM, Bob Voelker wrote:

> As several postings have indicated, the performance of the HP 5065A is better
> than many of the other rubidium standards.  What enables the HP 5065A to
> achieve better performance?--Is it the physics package or the particular
> control system implemented in electronics?  Would it be possible to 
> achieve the HP 5065A's performance by modifying a more commonly
> available rubidium such as the LPRO?  Would an ensemble of LPROs
> match a single HP 5065A in performance?
> 
> Bob
> 
> 
> 
> 
> 
> 
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