[BC] Noise Floor

[Lamar Owen]

On Saturday 18 February 2006 18:29, Stanley Adams wrote:
> increased or (4) use a low noise preamp with cryogenic cooling to lower the
> noise of the thermal devices in the system  (we use some of these at Sprint
> and they are very expensive, made by STI )

You can Peltier or vapor-phase cool down enough to get some useful noise 
figure gains without super expensive devices.  Vapochill vapor-phase CPU 
coolers would work wonders, I would think.
-- 
Lamar Owen
Director of Information Technology
Pisgah Astronomical Research Institute
1 PARI Drive
Rosman, NC  28772
(828)862-5554
www.pari.edu