Coils for Ion

[Clare Snyder]

garfield at pilgrimhouse.com wrote:
> 
> On Thu, 04 Jun 1998 09:11:52 -0400, Clare Snyder <snyder at huron.net>
> wrote:
> 
> >Just a minute, guys. I'm no EE, but what has AC impedence got to do with
> >a straight DC current measurement? By the time we are measuring this
> >Ionization current, all we have running through this coil secondary is
> >straight, flatline DC. No? This flat-line DC doesn't give a hoot what
> >the impedence in Henries is as long as IT is not attempting to change at
> >any great speed. I think we've got a bit of a red herring in the nets.
> >
> >Just my two Ngwe's worth
> 
> Oh oh, there's about to be a sudden depreciation in Ngwe's.
> 
> The ionization currents are a SIGNAL of varying value, so they are NOT
> DC, but have ac components. If you blocked them all, except for the
> average DC value, then you'd have no signal! You'd have, as you say, a
> flatline DC value, which wouldn't do you much good for detecting things
> happening with time.
> 
> It's conventional to talk about the "frequency spectrum" of a signal if
> it is changing at all, and how that signal is passed/attenuated IS
> affected by the total impedance of a device in the path of the signal.
> The faster the signal changes, the higher the frequency components that
> make it up.
> 
> Gar
OK, I understand better now. As for depreciating the Ngwe, its worth
about what a Kwatcha was 20 years ago.
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