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A Multisection Phase Correcting Network for Broadband Quadrature Power Splitter Design

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4 Author(s)
Sai Ho Yeung ; Dept. of Electr. Eng. & Comput. Sci., Syracuse Univ., Syracuse, NY, USA ; Kumar Sarkar, T. ; Salazar-Palma, M. ; Garcia-Lamperez, A.

This letter proposes a design of a multisection phase correcting network to reduce the phase error of broadband differential phase shifters. The phase correcting network is constructed by a pair of parallel multisection coupled lines. With the use of the phase correcting network, the experimental result of the phase deviation is reduced from 6.4 ° to 2.29 ° for a broadband phase shifter operating from 2.3 to 5.5 GHz (82%). The resultant phase shifter configuration is useful for the construction of quadrature power splitter which has also been designed and fabricated in this letter.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:23 ,  Issue: 9 )