Re: [TCML] CW magnifier

[Scott Bogard <sdbogard@xxxxxxxxx>]

Hi Carlos,
     I think you are missing a key piece of information about
magnifiers, they work better than a conventional TC (arguably, not the
time guys...) based off of increased coupling.  Solid state stuff in
particular CW stuff already has a very high coupling, so the advantage
goes away.  One gets to the point where the secondary cannot take
incoming energy any faster, that is your coupling sweet spot for CW as
I understand it, and that point is reached before getting to magnifier
couplings...  You could build it, but I suspect spark length or
brightness will not be any different.  Then again there are those on
here infinitely more knowledgeable than I, so perhaps they will chime
in and teach us both something interesting.

Scott Bogard.

On 3/31/11, Steve Ward <steve.ward@xxxxxxxxx> wrote:
> Carlos,
>
> What would be the reason for going to a magnifier?
>
> Some of the earliest SSTCs were essentially magnifiers.  The drive was a
> ferrite transformer that was used to step up a few hundred volts from a
> silicon bridge and "base feed" the bottom of the resonator from the HV
> output of the transformer.  This method was generally abandoned for the
> typical primary coil drive as the HV ferrite transformer is non-trivial to
> design properly.  Anyway, there's no reason you couldn't run a more
> "typical" magnifier from a CW driver, but i also cant think of any reason
> this would be beneficial over a 2-coil system.
>
> Steve
>
>
>
> On Thu, Mar 31, 2011 at 2:33 AM, <lightningfor@xxxxxxxxxxxxxxxxxxxxxx>wrote:
>
>>
>> Hi
>> I am just wondering if anyone knows if a "magnifier" style tesla coil can
>> be built using CW, or does the principle only work with pulsed coils?
>> My understanding of them is they perform best with a low impedance driver
>> (primary tank/seconday coil), with a very short duration (fast quenching)
>> pulse...
>> Anyone tried CW with it...?
>>
>> Carlos
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