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

[measures@vcnet.com (measures)]

>
>measures wrote:
>
>>> The impedance of the load will appear to vary 
>>>as you move down the line (if it is different than the characteristic 
>>>impedance), but the SWR won't.
>>>
>>?  Impedance changes but indicated SWR won't?
>
>Not if the impedance of your transmission line is the same is the 
>impedance of your source.  Draw it out on a Smith Chart, Rich.
>
?  In this case, the impedance of the source/generator is zero ohms, the 
characteristic impedance of the half wavelength transmission line is 93 
ohms, and the termination is 50-ohms. 

>You move along a constant VSWR circle with 50 Ohms as the center of that 
>circle.  The radius of the circle is the magnitude of the VSWR.  This 
>assumes a 50 Ohms sytem and a Smith Chart normalized to 50 Ohms.
>
"This is assuredly not a 50 ohm system due to the presence of the half 
wavelength 93-ohm coax."


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


--
FAQ on WWW:               http://www.contesting.com/ampsfaq.html
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm