Re: Improved TLP250 Toshiba optocouplers for IGBT/FET TC apps (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Thu, 21 Jun 2007 08:39:44 -0700 (PDT)
From: Brett Miller <brmtesla2@xxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Improved TLP250 Toshiba optocouplers for IGBT/FET TC apps (fwd)

Finn,

Actually, yes, I've been wanting to try this method
and now that I have the part numbers, there is no
excuse.  Thanks Finn!!

-Brett


--- Tesla list <tesla@xxxxxxxxxx> wrote:

> 
> ---------- Forwarded message ----------
> Date: Thu, 21 Jun 2007 08:02:13 +0200
> From: Finn Hammer <f-h@xxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: Re: Improved TLP250 Toshiba optocouplers
> for IGBT/FET TC apps (fwd)
> 
> Brett!
> 
> Since your interrupter is situated in your laptop,
> which preferably is 
> placed many feet away from the coil, why settle on
> 1/8 inch of 
> electrical insulation?
> Run a fiber optic cable over to the coil from the
> laptop.
> 
> On my music coils, I do this from a Roland
> synthesizer to the gate 
> driver in the coil.
> 
> The parts you need for this are cheap and easy to
> use.
> Transmitter:
> It is just a LED in a smart housing that mates it to
> a 1000um polymer fiber:
> http://www.i-fiberoptics.com/leds/IFE96.pdf
> 
> Detector:
> this can be had as either open collector or TTL.
> They both have rise and 
> fall times of 70nS.
> http://www.i-fiberoptics.com/leds/IFD95.pdf
> 
> Since I learned to use these parts, fiber optic
> links has been a natural 
> part of my projects.
> 
> Hope this helps.
> 
> Cheers, Finn Hammer



 
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