[AMPS] Pi-Net math

[Peter_Chadwick@mitel.com (Peter Chadwick)]

Uwe says:

>Real loads (not complex) on both sides of the network permits no other
>phase angle as 0 and 180 d. at resonance.

I believe that a 180 degree difference between voltage and current will mean
a negative resistance. This is probably applicable when looking back at the
tube as a generator, depending on the model you are using.  

73

Peter G3RZP


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