[simpits-chat] Altimeter Question

John Miguez jmiguez at bellsouth.net
Tue Nov 4 08:29:34 PST 2003

LOL  The transistor is what put them on the moon!  Kids!  Go figure, know
nothin of history.


----- Original Message ----- 
From: "Roy Coates" <roy at flightlab.liv.ac.uk>
To: "Non-tech or other tech related messages for Simpits"
<simpits-chat at simpits.org>
Sent: Tuesday, November 04, 2003 8:37 AM
Subject: Re: [simpits-chat] Altimeter Question

> On Tue, 4 Nov 2003, John Miguez wrote:
> > Hee hee, you younglings need an old fart to tell you about TTL.  Except,
I am having a senior moment and can't remember what the first "T" means.
The other two letters are Transistor Logic.
> >
> > Transistors came out when I was a kid.  They are these tiny replacements
for the vacuum tube that helped put a man on the moon.  :)
> >
> A vacuum tube put a man on a moon?  why did they use a vacuum? must be the
> dust.
> A thermionic valve might have been useful... better yet, a TTL
> (transistor-transistor-logic) device.
> Roy.
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