[time-nuts] FE-5680A thermal management
Ed Palmer
ed_palmer at sasktel.net
Mon Jun 15 15:28:35 UTC 2009
No. I have one and it's very appropriate for a piece of Time-Nut
equipment. They're Allen screws. :-)
Ed
J. L. Trantham wrote:
> They look like Torx Screws. Not so?
>
> Thanks,
>
> Joe
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at 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 thermal management
>
>
> Hal Murray wrote:
>
>
>> Leigh at 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?ViewItem&item=330233071735
>>> http://i43.tinypic.com/126cpcp.jpg
>>>
>>>
>>>
>> Is that an aluminum plate or the top side of a PCB used as a heat sink?
>>
>> To me, the first picture looks green/FR4 around the edges. (and a
>> stripe on
>> the left)
>>
>>
>>
>>
> Yes, that is a portion of the board I described in an earlier message.
> The board is thick fiberglass plated heavily on both the top and bottom.
> The board in the picture has been cut both above and below the 5680A.
> The plating ended about where the lower cut is, but the plating
> continued farther above the top of the unit in the picture. My earlier
> message gave the dimensions.
>
> One minor note about this board. The screws holding the 5680 to the
> borad were an unusual type. I can't remember, I think they may have been
> a square drive. They were difficult to remove as I had no proper tool to
> unscrew them. I think I made something from steel rod to start them
> losening.
>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>
More information about the Time-nuts_lists.febo.com
mailing list