>
>Rich,
>
>I believe that is only true if there is no load connected across the shunt
>side of the L-network.
>In that case the L-network simply becomes a hi-q series resonant trap to
>ground (e.g. a near
>dead short). Connect a finite resistive load across the shunt element and
>that is no longer true.
? Try proving this with a dipmeter, Mike.
>Under this condition, the currents through the inductor and capacitor are
>no longer equal. Thus
>their respective voltage drops are no longer in anti-phase (e.g. no more
>dead short).
>
>73 de Mike, W4EF.....................
>
>> ? Murphy said that things are more complicated than they look. A
>> pi-network is two L-networks in series. At resonance, an L-network is a
>> dead short. Thus, L-networks are not oprated at resonance. When my
>> SB-220 is tuned for max output on 3820KHz, a dipmeter shows that the tank
>> resonates several hundred KHz lower. Pi-networks are not like parallel
>> resonant tanks in days of yore.
>>
>> cheers, Jeff
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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