Article View: sci.electronics
Article #8903Re: Do Halogen lamps need ballasts?
From: Robert Wier
Date: Wed, 12 Dec 1990 07:50
Date: Wed, 12 Dec 1990 07:50
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In article <4676@mcgp1.UUCP>, jgo@mcgp1.UUCP (John Opalko, N7KBT) writes:
> In article <3026@naucse.cse.nau.edu> rrw@naucse.cse.nau.edu (Robert Wier) writes:
> ->
> -> The tungston re-deposition properties of halogen lamps would seem
> -> a natural for life extension on transmitting tubes (IF that is
> -> a desired property - maybe not for the manufacturers :-) )
> -> or would the presence of grids, plates, and other elements
> -> negate the use of halogen?
>
> Kind of contrary to the definition of a VACUUM tube, though, isn't it?
Aha! VERY good point. My brain is scrambled from thinking about
silicon for too long (sigh...). I once had a QSL card which
had a cartoon about some guys using plumbing tools to try to
stop "grid leaks". If you remember this, you're as old as
I am!!!
- Bob Wier
-------------- insert favorite standard disclaimers here ----------
College of Engineering
Northern Arizona University / Flagstaff, Arizona
Internet: rrw@naucse.cse.nau.edu | BITNET: WIER@NAUVAX | WB5KXH
or uucp: ...arizona!naucse!rrw
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arc1-ca.pugleaf.net!utzoo!attcan!uunet!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!ames!ncar!noao!arizona!naucse!rrwReferences:
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!ames!ncar!noao!arizona!naucse!rrw From: rrw@naucse.cse.nau.edu (Robert Wier) Newsgroups: sci.electronics Subject: Re: Do Halogen lamps need ballasts? Message-ID: <3035@naucse.cse.nau.edu> Date: 12 Dec 90 07:50:48 GMT References: <FISH.90Nov28100429@his.gemed.com> <1990Dec3.183744.9175@xrtll.uucp> <4676@mcgp1.UUCP> Organization: Northern Arizona University, Flagstaff AZ Lines: 28