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Analyzing Stub Matching with Reflection Coefficients
On 13 Apr 2007 15:56:26 -0700, "Wes" wrote:
On Apr 13, 11:40 am, Richard Clark wrote: [lotsa good stuff snipped] A poor physical open or poor physical short will never be improved by ANY transmission line mechanics. Well, I dunno about that. Try this experiment: Take a "poor" short, say 1 ohm, and transform it through a lossless 1/4 wavelength line of Zo=200 ohm. The result will be 40,000 ohm. Now transform this 40K ohm load through another lossless 1/4 wavelength line of Zo=10 ohm. The result of this transformation will be a "virtual" 0.003 ohm. Is that an improvement? [g] Hi Wes, There is always a rational example to deflate absolutisms. Thanx for the interesting twist of transmission line. However, I wouldn't want to be the wallet that pays for this. 73's Richard Clark, KB7QHC |
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