Re: [TCML] Frequency generator to tesla coil

["DC Cox" <resonance@xxxxxxxxxxxx>]

Dave Bylund was the first documented (in his book) TC builder to experiment
seriously with MOSFETs and H-bridge configurations.  This was in 1976-1980
era.

I think he is from Utah.  He is a retired Navy electronics expert.

Dr. Resonance





On Sat, Oct 11, 2008 at 4:19 PM, Chris Swinson <
list@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

> I think its what Richie did in the first place... but its really easy to
> build a H-bridge and cheaper to fix when it dies! I think you should look
> towards the OLTC for a easy coil to build, just find a "brick" IGBT, circuit
> very simple, think it will solve a lot of your problems and you don't need a
> high voltage transformer.
>
> chris
>
>
>
> ----- Original Message ----- From: <kingsandangels@xxxxxxxxxxx>
> To: "tesla@xxxxxxxxxxxxxx " <tesla@xxxxxxxxxx>
> Sent: Saturday, October 11, 2008 5:06 PM
> Subject: RE: [TCML] Frequency generator to tesla coil
>
>
> Hi guys.Chris does that mean you can use a Ham or Cb radio linear amp will
> drive a primary and considering they can push 10kw(Biggest Ive heard of)
> 1000W  use 50amp switch mode power supplies and 10kw run good on 2* 180amp
> car batteries and they go from khz to mhz range. Good coil? If it is Ill get
> one and try it! Gareth
>
> -----Original Message-----
> From: "Chris Swinson" <list@xxxxxxxxxxxxxxxxxxxxxxxxx>
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Sent: 11.10.2008 15:35
> Subject: Re: [TCML] Frequency generator to tesla coil
>
> Yes and no,  if you have a amplifier genuine audio power of say 500watts,
> and then the amplifier had no upper cut off (normally 18k to 22khz area)..
> then if the amplifier output stage could cope at a constant cycle without
> overheating.. then yes it could be possible, but I somehow feel you will
> end
> up killing a lot of amplifiers... if you want something simple, build a
> H-bride output stage.. Its only a few diodes/mosfets...
>
> http://www.future-technologies.co.uk/IMPULSE/hotstreamer/sstc/sstc.htm
>
> second picture down is the H-bridge.  Though the 2 small transformers were
> latter replaced by mosfet driver ICs (direct drive). a lot easier and IMHO
> a
> lot better than isolation transformers.
>
> HTH
> Chris
>
>
>
> ----- Original Message ----- From: <jhowson4@xxxxxxxxxxx>
> To: "tesla list" <tesla@xxxxxxxxxx>
> Sent: Friday, October 10, 2008 11:53 PM
> Subject: [TCML] Frequency generator to tesla coil
>
>
> Hey guys I was wondering if it was possible to use a frequency generator on
> the computer, To send a signal to a huge audio amp.  Then instead of
> connecting the amp to speakers connecect it to a primary to a really small
> TC.
>
> I am curious because I have all these things availible to me here at
> college
> and I am looking for something fun to do.  Not really expecting to get huge
> sparks of course. maybe just to be able to test the reasonance of coils.
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