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Published June 1980 | Published
Journal Article Open

Reflection Coefficient Transformations for Phase-Shift Circuits


It is shown how switchable one-port circuits having two impedance states may be transformed so as to exhibit reflection coefficients which have a prescribed phase angle difference and equal magnitude in the two states. In reflection-type phase shifters, arbitrary phase shift may be obtained without change of signal amplitude. The reflection properties are achieved by the use of an impedance-transforming two-port network. Design equations and an example are given.

Additional Information

© 1980 IEEE. Manuscript received August 24, 1979; revised December 7, 1979. This work was supported by the U.S. Department of the Navy. The author wishes to thank J. O. Taylor and R. C. Aucoin for network analyzer measurements of impedance.

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August 19, 2023
October 20, 2023