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Modeling the strong coupling between microstrip and complementary split ring resonator transmission lines on a PCB
Author(s) -
Irfan Irfanullah,
Nariyal Sanjay,
Schuette David,
Khattak Shahid,
Braaten Benjamin D.
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.30570
Subject(s) - microstrip , resonator , coupling (piping) , split ring resonator , printed circuit board , transmission line , electric power transmission , ring (chemistry) , optoelectronics , materials science , electronic engineering , physics , electrical engineering , engineering , chemistry , organic chemistry , metallurgy
Analytical expressions for the near‐end voltages are derived from the unit‐cell of strong‐coupled transmission lines (TLs) and validated with simulations and measurements. The two TLs investigated here are the microstrip TL and a complementary split ring resonator (CSRR) loaded TL on a printed circuit board. This work is then used to develop spacing guidelines and investigate new methods (beyond weakly‐coupled TLs) to reduce the coupling for designers that may use CSRR loaded TLs in very close proximity of other microstrip TLs.