Increasing Sensitivity (was Re: [MLB-WIRELESS] <PLUG> Cheap prices for wireless gear)

[rik]

there was cooling done with prism2.5 cards done about a year ago, it was
shown not to cause that much diffrence, i will google a bit tommorow and try
and find the artical
----- Original Message ----- 
From: "John Dalton" <john.dalton at bigfoot.com>
To: "Jason Brice" <Jason.Brice at kiandra.com>
Cc: <melbwireless at wireless.org.au>
Sent: Wednesday, May 21, 2003 11:27 PM
Subject: Increasing Sensitivity (was Re: [MLB-WIRELESS] <PLUG> Cheap prices
for wireless gear)


> On the subject, it would be an interesting
> experiment to strap a Peltier device to a WLAN
> card and see if freezing it lowers the
> noise floor, increasing its sensitivity.
> Might be useful for those who are into distance
> records?
>
> Two things to watch out for:
>
> 1) Make sure the low temperature doesn't cause
>    condensation inside the card, causing it to
>    to de-tune.
> 2) The temperature shift may cause oscillators to drift
>    off channel.  Maybe keep both ends of the link
>    at the same low temperature to combat this effect?
>
> Regards
> John
>
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