For reference, Ridge Equipment has a photo of one of this year's crop of
FE-5680A mounted to a large aluminum plate.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=330233071735
http://i43.tinypic.com/126cpcp.jpg
Leigh/WA5ZNU
Almost all rubidium standards DO specify the use of some form of a
le...@wa5znu.org said:
For reference, Ridge Equipment has a photo of one of this year's crop
of FE-5680A mounted to a large aluminum plate.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=330233071735
http://i43.tinypic.com/126cpcp.jpg
Is that an aluminum plate or the top side of a PCB
Hal Murray wrote:
le...@wa5znu.org said:
For reference, Ridge Equipment has a photo of one of this year's crop
of FE-5680A mounted to a large aluminum plate.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=330233071735
http://i43.tinypic.com/126cpcp.jpg
Is that an aluminum plate
They look like Torx Screws. Not so?
Thanks,
Joe
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Rex
Sent: Monday, June 15, 2009 2:33 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] FE-5680A
Of Rex
Sent: Monday, June 15, 2009 2:33 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] FE-5680A thermal management
Hal Murray wrote:
le...@wa5znu.org said:
For reference, Ridge Equipment has a photo of one of this year's crop
of FE-5680A mounted
and frequency measurement
Subject: Re: [time-nuts] FE-5680A thermal management
Hal Murray wrote:
le...@wa5znu.org said:
For reference, Ridge Equipment has a photo of one of this year's
crop of FE-5680A mounted to a large aluminum plate.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem
In article 2ed501c9e87a$a7a4a850$7900a...@athlon1200, Dave Brown
tract...@ihug.co.nz writes
Murray et al,
The package of both units is clearly meant to be mounted on
something-the real question is how much heat sinking would that
something have provided? Changing the external heatsinking to
Leigh,
I agree with Chuck. I have both an FE-5650A and an FE-5680A. With the
former I was concerned about the heat, and so ran it only for short
periods, until I understood what was going on. I had the impression from
the data sheet that there were different heatsink options for different
In message be50c3a72eba61449c804b2c8b4ae38101ebb...@neptune.rakon.net, Murra
y Greenman writes:
With the FE-5680A I had the opportunity to study things in more detail.
The PRS10 manual has some good info.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP
In message be50c3a72eba61449c804b2c8b4ae38101ebb...@neptune.rakon.net,
Murray Greenman writes:
With the FE-5680A I had the opportunity to study things in more detail.
The PRS10 manual has some good info.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org |
- Original Message -
From: Murray Greenman murray.green...@rakon.com
To: time-nuts@febo.com
Sent: Tuesday, June 09, 2009 6:42 AM
Subject: [time-nuts] FE-5680A thermal management
Leigh,
I agree with Chuck. I have both an FE-5650A and an FE-5680A. With
the
former I was concerned
Almost all rubidium standards DO specify the use of some form of a heat sink.
For the FRK and M100 units this can be a heat sink with around 1 fins or just
bolted to a metal plate or chassis.
The military freq standard that had M100's in them had the unit mounted to a
5x5x.2 aluminum plate
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