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Gene Fuller wrote:
I'm going to ignore your hodge-podge of obfuscations and concentrate on only one point. The ONLY thing under discussion here is our disagreement about the canceling waves heading back toward the source from the match point. You claim those waves must exist and then cancel over a short distance (I believe you reduced the distance to 'dx' or something similar.) I claim those waves never exist at all and therefore don't need to be canceled. You say a physical impedance discontinuity can exist without reflecting waves (in violation of the laws of physics). Please explain how a physical impedance discontinuity can avoid reflecting the incident wave. A 70.7 volt EM wave is incident upon an impedance discontinuity with a reflection coefficient of 0.7143 at point '+'. Exactly how does that forward wave avoid being partially reflected from the Rho=0.7143 impedance discontinuity at point '+'? Here's the circuit: SGCL---50 ohm T-line---+---1/2WL 300 ohm T-line---50 ohm load Pfor1=100w-- Why are there no reflections at point '+' where the physical reflection coefficient is 0.7143? Gene's Magic at work? -- 73, Cecil http://www.w5dxp.com |
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