[time-nuts] Rubidium Cells for Sale ?!

[Bob kb8tq]

Hi

Ummm ….. errrr ….. the Efratom Rb’s use an integrated lamp plus one cell. 

http://www.wriley.com/A%20Modern%20MIL%20Rubidium%20Frequency%20Standard.pdf <http://www.wriley.com/A%20Modern%20MIL%20Rubidium%20Frequency%20Standard.pdf>

There still are a lot of people doing the lamp plus two approach. One of many:

http://www.excelitas.com/Downloads/DTS_Frequency_Standards_RAFS.pdf <http://www.excelitas.com/Downloads/DTS_Frequency_Standards_RAFS.pdf>

Bob

> On May 6, 2019, at 3:23 PM, Ed Palmer <ed_palmer at sasktel.net> wrote:
> 
> 
> 
> On 2019-05-06 10:00 AM,  Bob kb8tq <kb8tq at n1k.org>wrote:
>> Hi
>> 
>> I?m sure they are good cells. The gotcha is ?which one is it??. A normal Rb has multiple
>> cells doing different things. You ? umm? errr ? need a set of cells ?.
> 
> Why do you think I posed the question "Anybody feeling lucky (or desperate!)?"?  Don't forget that all(?) newer Rb standards use an integrated cell so it's a 'set' of one.  Whether that's the case here is unknown, but not likely given the size of this cell.
> 
> The only Russian Rb company I've heard of is Kvarz.  Has anyone seen a cell from one of their old units?
> 
> Ed
> 
> 
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