[time-nuts] LPRO-101

Steve Rooke sar10538 at gmail.com
Mon Jan 12 01:17:10 EST 2009


2009/1/12 WB6BNQ <wb6bnq at cox.net>:
> Steve,
>
> I am pretty sure he meant lifting off of the surface that the unit would be sitting
> on; i.e., the bench.

Sorry, my bad.

> Steve Rooke wrote:
>
>> 2009/1/12 Hal Murray <hmurray at megapathdsl.net>:
>>
>> > You can get slightly better cooling if you turn it on its side/end, or lift
>> > the fins off the surface with a couple of spacers so the air can get in there
>> > better.
>>
>> Lifting the "fins" (heatsink) off the device will completely defeat
>> the purpose of them as the heat needs to conduct from the base of the
>> unit and onto the the heatsink for it to be of any worth. Use of
>> thermal paste will help and lapping both surfaces to a flat mirror
>> surface can help immensely. Make sure when mounting the device that
>> the fins are arranged so that air can move vertically over them, IE.
>> put it on it's side with the fins running vertically.
>>
>> 73, Steve
>> --
>> Steve Rooke - ZL3TUV & G8KVD & JAKDTTNW
>> Omnium finis imminet
>>
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>
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-- 
Steve Rooke - ZL3TUV & G8KVD & JAKDTTNW
Omnium finis imminet




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