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Subject: Re: Problems with MOSFET drivers
Date: Tue, 19 Nov 2002 13:29:12 -0000
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"Mike Poulton" wrote in message
> On 18 Nov 2002, "markp" said:
> >> All of these schemes rely on the feedback winding giving an accurate
> >> representation of what's happening in the secondary resonant circuit.
> >> I'm not sure it does.
Well it seems I've been making assuptions, sorry! By loosly coupling the
coil you've actually got a transformer with an additional inductor and
capacitor in series on the ouput. This has both parallel *and* series
resonant modes. What I've been advocating will result in a parallel resonant
oscillator, and you need a series resonant one. Oh dear...!
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