[AMPS] Pi-Net math

[Tom Rauch]

> >Most people define resonance as a system with finite bandwidth 
> >where voltage and current are exactly in-phase (or exactly 180 
> >degrees out-of-phase). 
> 
> The 180 degrees out of phase doesn't look right at an immediate glance,
> but otherwise the only difference between my definition and Tom's is that
> knowing how 'picky' people are on this reflector, I've spelled it out -
> bit like a lawyer really, said to say.

Voltage across the output device and current through the output 
device are exactly 180 degrees out of phase when the tank is 
resonant.


73, Tom W8JI
w8ji@contesting.com

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