[time-nuts] Rubidium Cells for Sale ?!
Bob kb8tq
kb8tq at n1k.org
Mon May 6 20:42:25 UTC 2019
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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