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A novel design of ultra‐high impedance transforming ratio quad‐band matching network
Author(s) -
Barik Rusan Kumar,
Karthikeyan S. S.
Publication year - 2017
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.30669
Subject(s) - impedance matching , matching (statistics) , electrical impedance , electronic engineering , impedance parameters , ray transfer matrix analysis , engineering , topology (electrical circuits) , frequency band , input impedance , computer science , antenna (radio) , electrical engineering , mathematics , physics , optics , statistics
In this article, a novel design of quad‐band matching network (QBMN) with ultra‐high impedance transforming ratios (UHTRs) is proposed and designed based on ABCD matrix method. The QBMN is capable of matching a very large real load impedance at four different frequencies simultaneously. The quad‐band structure is composed of π‐section with series connected coupled lines at each port. The design formulas of QBMN are derived analytically to obtain the quad‐band operation. In order to validate the proposed idea, three examples of QBMN for different load impedances (500, 1000, and 1500 Ω) are considered. Finally, two QBMNs with transforming ratios of 10 and 20 are fabricated and demonstrated. For both the prototypes, the measured S 11 is better than 15 dB at all working frequencies. The experimental performances are consistent with the simulated results.