[time-nuts] Thunderbolt stability and ambient temperature

Poul-Henning Kamp phk at phk.freebsd.dk
Wed Jun 10 18:25:11 EDT 2009


In message <20090610220953.5B7F1BCEF at ip-64-139-1-69.sjc.megapath.net>, Hal Murr
ay writes:
>
>> It is still just approaching a 1 pole filter. Alternating  insulation/
>> low-capacitivity - conduction/high-capacitivity in several  layers
>> creates higher pole systems.
>
>> The alternation in impedance creates impedance missmatches and we
>> should  expect reflections... 
>
>Can I get reflections without some inductance?
>
>Is there any inductance in a system of alternating layers of 
>insulation/storage?

I think you are overstretching the badly chosen nomenclatures
parallels to electricity.

Think of "thermal impedance" as "thermal inertia" and you get a much
better picture...

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.




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