Re: good scopes for coiling

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Mercurus2000" <mercurus2000@xxxxxxx>

So there is no electronic way of measuring the resonance of a secondary
without complicated or expensive electronics?
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Sunday, May 15, 2005 3:59 PM
Subject: Re: good scopes for coiling


Original poster: "Malcolm Watts" <m.j.watts@xxxxxxxxxxxx>

On 13 May 2005, at 23:02, Tesla list wrote:

 > Original poster: "Mercurus2000" <mercurus2000@xxxxxxx>
 >
 > Couldn't you take like you said a 555 timer, connect the pulsing
 > squarewave output to a TC secondary, then connect a diode to the
 > topload and connect a digital voltmeter to the diode and get a idea of
 > the resonant frequency? Adam ----- Original Message ----- From: "Tesla
 > list" <tesla@xxxxxxxxxx> To: <tesla@xxxxxxxxxx> Sent: Friday, May 13,
 > 2005 10:49 AM Subject: Re: good scopes for coiling

In a word, no, not if you are after accuracy. Anything you connect
directly to the secondary is going to boost its puny capacitance out
of sight.

Malcolm

 >
 > Original poster: Karl Lindheimer <karl@xxxxxxxxxxxxxxx>
 >
 > Hi Keith,
 >
 > A scope and/or frequency generator can be quite helpful in Tesla Coil
 > duty, and for just about any other project that will come along.
 > Since I am on a low "fixed budget" as it were, I built a 555 timer
 > waveform generator for about $8.00 total.  I used an inexpensive
 > multi-meter for several years before snagging a Tektronics 265B scope
 > for under $100 on Ebay.  This scope is the best addition to my test
 > bench in many years, and continues to impress.  My Tek scope is rugged
 > and parts are still obtainable from junked scopes.
 >
 > Hope that the above helps,
 >
 > Karl
 >
 > On May 12, 2005, at 10:32 PM, Tesla list wrote:
 >
 >  >Original poster: "keith" <keith.cc@xxxxxxxxxxx>
 >  >
 >  >I'm looking to buy a scope and/or frequency generator for coiling
 >  and >general use, but I don't really have any idea about
 >  manufacturers/models >etc ­ what are some good ones to look for? I've
 >  read that the older tube >scopes are better than modern solid state
 >  ones for the stressful >environments generally encountered in high
 >  voltage work, and given that >I'm still new to coiling/hv devices,
 >  something that has a good chance of >surviving a few careless
 >  errors/poorly designed experiments would be good. >Relatively low
 >  cost would also be nice. Thanks. > >Keith C >
 >
 >
 >




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