[AMPS] basic question about dipping the plate

[measures]

>
>Okay, I'll bite, Rich. I take the L-network, parallel the L and C, and then
>measure the resonant frequency using a GDO. I then re-configure the
>network back into an L and connect it to the load. If I understand what
>you have claimed (correct me if I am wrong), the input impedance of 
>the L-network at the resonant frequency (determined above) will be 
>a short cicuit even when the load is attached. 

No

>If this is what you are
>claiming, then I respectfully disagree. If this is not what you are claiming,
>then please elaborate. 
>
If XC = XL at the operating freq., the Z-transformation is infinite.  The 
farther apart the reactances are, the lower the Z step-up/step-down.  

cheers, Mike

>----- Original Message ----- 
>From: "measures" <2@vc.net>
>To: "Michael Tope" <W4EF@dellroy.com>; "AMPS" <amps@contesting.com>
>Sent: Sunday, April 22, 2001 8:55 PM
>Subject: Re: [AMPS] basic question about dipping the plate
>
>
>> >
>> >Hi Rich, 
>> >
>> >Since a dipmeter doesn't measure impedance, how could I use one to prove 
>that
>> >the input impedance of an L-network at resonance doesn't look like a dead 
>> >short circuit?
>> >
>> ?  The series L and C must be paralled to measure resonance.  
>> 
>> cheers, Mike.
>> >
>> >> >
>> >> >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.   
>> >> 
>> >
>> >
>> >
>> >--
>> >FAQ on WWW:               http://www.contesting.com/FAQ/amps
>> >Submissions:              amps@contesting.com
>> >Administrative requests:  amps-REQUEST@contesting.com
>> >Problems:                 owner-amps@contesting.com
>> >
>> >
>> 
>> 
>> -  Rich..., 805.386.3734, www.vcnet.com/measures.  
>> end
>> 
>
>
>--
>FAQ on WWW:               http://www.contesting.com/FAQ/amps
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>
>


-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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