From: Greg Pierce
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Subject: Re: Pentupler voltage multiplier info?? - quadrupler.jpg (0/1)
Date: Wed, 18 Dec 2002 03:11:55 GMT
NNTP-Posting-Date: Tue, 17 Dec 2002 22:11:55 EST
Organization: Cox Communications
John Larkin wrote:
> On Tue, 17 Dec 2002 16:13:56 -0500, "Smile, it can only get WORSE"
>>Good Day All,
>>I'm looking for pentupler info. I know very little about them, but I'm
>>hoping it can supply a 5X voltage boost at femtoamp to nanoamp current
>>levels (to power the low power stages of a photomultiplier tube).
>>I've done yahoo, askalltheweb, jeeves and ebay searches…no hits.
>>Is there really such a thing or is the pentupler voltage multiplier a
>>rumor…or is it the best kept secret around??
>>All replies appreciated.
> here's a low-current quadrupler. For more stages, just keep going...
Yup. That is a good ol' Cockroft-Walton multiplier. It was originally
developed as an alternative to the Van de Graff generator for generating
very high voltages to power linear nuclear accelerators - it was much
easier to vary and stabilize the accelerating potential vs. the Van de
Graff generator. Later accelerators used magnetic acceleration, but the
Cockroft-Walton multiplier eventually found a new common use. Ironically
it was for another particle accelerator, in the form of the cathode-ray
"I have seen things you losers wouldn't believe.
I've seen lights glitter in the dark near the Mail Gate.
I've seen monitors on fire off the side of the multimedia lab.
All of these moments will be lost in time, like the root partition last
Time to die."