Impedance mismatch detector

Details Impedance mismatch detector Impedance mismatch detector

1985-11-22

1987-11-03

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 57R, 455115, 333 32, G01R 2704, H03H 738

Patent

active

047045736

ABSTRACT:
A mismatch detector is provided for determining whether or not a particular load impedance is matched or mismatched to the characteristic impedance of a transmission line. The detector is capable of determining if a particular load impedance has a value outside of an impedance threshold circle having a center at a location other than at the center of the Smith Chart. This flexibility enables the detector to be more selective in determining improper load conditions.

REFERENCES:
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patent: 3249863 (1966-05-01), Wright
patent: 3683274 (1972-08-01), Martin
patent: 3870957 (1975-03-01), Straw
patent: 4262246 (1981-04-01), Fujii
patent: 4373581 (1983-02-01), Toellner
patent: 4493112 (1985-01-01), Bruene
patent: 4506209 (1985-03-01), Landt
Johnk, Engineering Electromagnetic Fields and Waves, Copyright 1975 pp. 391-396.
"The Radio Amateur's Handbook," 1982 Edition, American Radio Relay League, pp 16-32.
"IEEE Transactions on Microwave Theory and Techniques," vol. MTT-30, No. 4, Apr. 1982, p. 660.

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