>
>On Tuesday, October 05, 1999 2:18 AM, measures [SMTP:measures@vcnet.com]
>wrote:
>>
>> >
>> >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.
>> >
>> So if 1/4 wavelength of 93 ohm coax were used intead of 1/2 wavelength of
>> 93 ohm coax, the SWR would still be 1:1?.
>
>Still 1:1?
>It never was.
>
? Mike -- So your position is that a non-reactive impedance does not
repeat on a mismatched halfwave transmission line?
- 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
|