Re: [TenTec] Is there a beefier 2N5301?

["Ralph" <w8bvh@sbcglobal.net>]

Thanks a lot Gary. You can keep talking in tecno-talk because most who read 
these understand electronics much more than I do. But I would ask if I 
didn't understand or just wanted to know. I will now look into these to 
better understand their use. Again thanks for the time to respond.
Best Regards,
Ralph Howes
W8BVH



----- Original Message ----- 
From: "Gary Hoffman" <ghoffman@spacetech.com>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Tuesday, March 06, 2007 10:47 PM
Subject: Re: [TenTec] Is there a beefier 2N5301?


> I'm sorry Ralph....I speak in techno-babble all too often !   A TEC is a
> thermoelectric cooler.  As you probably know, if you apply low voltage DC 
> to
> one of these babies, it pumps heat - making one side very cold, and the
> other side warm of course.  The warm side heat you dump to the nearby air.
> The cold side gets applied to whatever it is you want to cool off.  They 
> are
> pretty cheap too.
>
> 73 de Gary, AA2IZ
>
>
> ----- Original Message ----- 
> From: "Ralph" <w8bvh@sbcglobal.net>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Tuesday, March 06, 2007 8:05 PM
> Subject: Re: [TenTec] Is there a beefier 2N5301?
>
>
> > Gary:
> > I've been reading this thread with some interest but I don't know what
> "TEC"
> > is. Can you explain to me?? Thanks for the help.
> > Ralph Howes
> > W8BVH
> >
> >
> > > To go beyond that, you have to turn to the heat sink itself.  Make it
> > > bigger.  Make it Copper.  Give it more and larger fins.  Blow air on 
> > > it.
> > > Or - if you really want to do it right, use a TEC for active cooling 
> > > and
> > > make that heat sink really really cold.  Just short of the dew point of
> > > course.  And much more practical than liquid cooling.
> > >
> > > TEC's really rock when used properly in this manner.
> > >
> > > 73 de Gary, AA2IZ
> > >
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> > TenTec@contesting.com
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>
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