[sdiy] Tubes in Synths [ was : Harry's Nightmare! ]

[harry bissell]

Or...  They are not so affected by (ambient) LIGHT
as an ionization source...

H^) harry

Boy I wish the "Gas Discharge Tubes" app book didn't
get in the dumpster with the rest of our library...

Hey... who needs information ???



--- Mike Granger <mgranger at greenville.infi.net> wrote:
> The neon lamps with an ionization source fired at a
> lower voltage than 
> the plain neon lamps. This is because they didn't
> have to depend totally 
> on the applied voltage to acheive conduction state.
> 
> harry bissell wrote:
> 
> >NE-58 are a gas discharge (neon) lamp. These were
> >often used as we would use zener diodes today, as
> >shunt regulators.
> >
> >I'm not POSITIVE but I think the little black dot
> >meant that the tube used an ionization source
> >(radioactive) to stabilize the firing point.
> >
> >Anyone willing to admit to being MUCH older than
> >me ???
> >
> >H^) harry
> >
> >
> >
> >--- alex dickey <perpetual at uswest.net> wrote:
> >
> >>>On a related note, I found a schematic for an old
> >>>
> >>tube opamp which
> >>
> >>>is I think one of the first packaged opamps made.
> >>>http://www.themusic.net/schematics/tube-opamp.gif
> >>>
> >>can someone fill me in on what the NE-58's are? 
> >>i've never seen that
> >>symbol before.
> >>
> >>thanks,
> >>alex
> >>
> >>
> >
> >
> >__________________________________________________
> >Do You Yahoo!?
> >Find a job, post your resume.
> >http://careers.yahoo.com
> >
> 
> 
> 
> 


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