[time-nuts] LPRO-101

WB6BNQ wb6bnq at cox.net
Mon Jan 12 01:11:51 EST 2009


Steve,

I am pretty sure he meant lifting off of the surface that the unit would be sitting
on; i.e., the bench.

Bill....WB6BNQ


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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