Newsgroups: sci.electronics
Path: utzoo!henry
From: henry@zoo.toronto.edu (Henry Spencer)
Subject: Re: sources for IR scope tubes
Message-ID: <1990Aug9.000127.7626@zoo.toronto.edu>
Organization: U of Toronto Zoology
References: <26851@nigel.ee.udel.edu> <10846@crdgw1.crd.ge.com> <2903@isc-br.ISC-BR.COM>
Date: Thu, 9 Aug 90 00:01:27 GMT

In article <2903@isc-br.ISC-BR.COM> jimc@isc-br.ISC-BR.COM (Jim Cathey) writes:
>>AIM 9B Sidewinder heat seeking missile guidance device...
>
>The last (and only) heat-seeking doodad I saw required a liquid
>nitrogen (or something like that) supply to cool the sensor assembly
>down to the point where it would work.  I wouldn't be surprised if this
>assembly needed the same thing.  Not too practical for handheld use!

The AIM-9B seeker was -- if I'm remembering the numbers right -- uncooled.
As I mentioned earlier, this is *very* old equipment, and not very good.
Cooled seekers greatly improved the performance of the Sidewinder.
-- 
The 486 is to a modern CPU as a Jules  | Henry Spencer at U of Toronto Zoology
Verne reprint is to a modern SF novel. |  henry@zoo.toronto.edu   utzoo!henry