I thought it was maximum transfer of energy. when xl = xc.
At 03:03 PM 2/20/05 +0000, you wrote:
>G3rzp@aol.com wrote:
> > In a message dated 20/02/2005 10:34:05 GMT Standard Time, r@somis.org
> > writes:
> >
> > A Pi-network is not resonant because it is two L-networks in series,
> > and L-networks never operate at resonance.
> >
> >
> >
> > This depends upon your definition of resonance. The only definition
> > that is mathematically applicable to all tuned circuits is that the
> > applied voltage
> > and current are in phase. Under these circumatances pi and L
> > networks are resonant.
>Surely any definition of resonance has to cover all branches of physics,
>including weights on springs, air columns in tubes etc. My maths is too
>rusty to work from the fundamental definition to see what it means in
>electronics terms, but what ever it is, it's the one that's indisputable.
>
>Steve
>
>
>
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