[time-nuts] Quartzlock E10-MRX

[Hugh Blemings]

Hiya,

I'd wondered this also - my (limited) experience of Rbs are the LPROs 
and they definitely need a heatsink (I have a nice story to share about 
getting some made one day which I must write up, but I digress)

Curious, I dug around a bit and only data I can find is a two pager on 
the manufacturer website - 
https://www.quartzlock.com/product/Rubidium/rubidium-oscillators/E10-MRX

The packaging itself doesn't appear to be designed with heatsinking in 
mind, but perhaps there is an implicit expectation of convection cooling 
at least to keep it manageable ?

Any idea what case temperature you're seeing @Richard ?

Cheers,
Hugh


On 1/9/20 5:01 pm, Matthias Welwarsky wrote:
> On Dienstag, 1. September 2020 07:15:34 CEST Richard Katsch wrote:
>> Hello All,
>> I have acquired a Quartzlock E10-MRX Rb 10 MHz standard. It appears to lock
>> and produce a nice sine wave that stays in phase with my Trimble Tbolt for
>> a time which exceeds my attention span!!!
>> It does however get hot in operation. As this is my first experience with a
>> Rb standard I don’t know whether this is normal or indicates that I need a
>> heat sink.
>> Any comments would be appreciated.
> They're supposed to run hot, but excess temperature will degrade the stability
> and shorten the lifetime of the electronics. It's hard to recommend what
> heatsink they require if you have no documentation. Typically you'll need one.
> My LPRO-101 need a heatsink with < 2K/W of thermal resistance to keep the
> temperature in check.
>
> BR,
> Matthias
>
>> Regards
>> Richard Katsch
>> VK2EIK
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