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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