[AMPS] Re: The Worldwide, No Holds Barred, SWR Quiz.

[measures@vcnet.com (measures)]

>measures wrote:
>> 
>> >What is the SWR as measured at the generator with a 50-ohm
>> >characteristic-Z  SWR meter?
>> 
>> ? At the end of an any characteristic.-Z halfwave transmission line, the
>> termination Z repeats itself --  with a reactance reversal.  .  Since
>> there is no reactance in this termination, the Z at the end of the 93-ohm
>> halfwave line is 50 +/- j0 ohms, the SWR is 1:1.
>
>No.  It is correct that the impedance seen by the generator is 50 ohms but 
>the
>SWR is unchanged, regardless of the line length.   The SWR is entirely
>determined by the impedances of the line and the load.
>
With 1/2 wavelength of 93 ohm coax, the impedance seen by the generator 
is 50 +/- j0 ohms.  What impedance would be the seen by the generator if 
1/2 wavelength of 75 ohm coax were used.
-  thanks

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


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