Re: super cheap capacitance/inductance Tesla coil metering

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Dmitry (father dest)" <dest@xxxxxxxxxxx>

> Original poster: Terry Fritz <vardin@xxxxxxxxxxxxxxxxxxxxxxx>

> Hi Dmitry,

> The current to the streamer tends to be made of high frequencies
> along with the streamer's fundamental frequency current.  So you need
> to measure with a high bandwidth like 2Mhz to "see" much.

how much frequency deviation shall i use to transmit such signal
undistorted?


>>Hello Terry.
>>
>>how about small, battery powered, light-weight, can be placed on top
>>of the toroid and wired between the toroid surface and breakpoint,
>>optocoupled (NOT fiber optic) current probe? something like this:
>>
>>http://www.pupman.com/listarchives/2002/August/msg01391.html
>>
>>"You need to make up a Voltage-to-Frequency converter for the sending
>>end and a Frequency-to-Voltage converter for the receiving end.  The
>>circuits are pretty simple and a whole slew of manufacturers make ICs
>>for that purpose."
>>
>>substitute "voltage" by "current". if i only live near you i`d even
>>buy such thing from you. seriously.
>>
>>i think such device will be much more useful than el cheapo primitive
>>lc meter. coz anybody can tune the coil "for maximum smoke" - you
>>never need any equipment at all to do that.
>>
>>
>> >>> > Original poster: Terry Fritz <vardin@xxxxxxxxxxxxxxxxxxxxxxx>
>> >>> >
>> >>> > Hi All,
>> >>> >
>> >>> > Making an oscillator with a 555 timer to measure capacitance is on my
>> >>> > mind.  I "think" it could do inductance easily too...
>> >>> >
>> >>> > I was thinking of a trivial LM555C timer circuit powered by a 9V
>> >>> > battery
>>
>>-----
>>I have never heard of a coiler blowing up a pole pig!  A pole pig can
>>easily blow up a coiler, however.  You could also be hit by a bus though.
>>27-08-96 (c) Richard Hull, TCBOR



-----
I have never heard of a coiler blowing up a pole pig!  A pole pig can
easily blow up a coiler, however.  You could also be hit by a bus though.
27-08-96 (c) Richard Hull, TCBOR