High linearity microstrip bandpass filter with electronically tunable notch | Zendy

Rabbi K. | Zendy; Athukorala L. | Zendy; Budimir D. | Zendy

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High linearity microstrip bandpass filter with electronically tunable notch

Author(s) -

Rabbi K.,

Athukorala L.,

Budimir D.

Publication year - 2013

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.27312

Subject(s) - varicap , linearity , band pass filter , band stop filter , microwave , materials science , electronic engineering , insertion loss , microstrip , filter (signal processing) , optoelectronics , electrical engineering , engineering , low pass filter , capacitance , telecommunications , physics , electrode , quantum mechanics

A high linearity reconfigurable bandpass filter embedded with a tunable notch structure has been presented for future wideband wireless communication applications. A single varactor diode (BB135‐NXP) is used for the purpose of tuning the notch. The linearity of the varactor‐tuned bandpass filter is also evaluated. The proposed filter is able to achieve a good linearity with IIP3 of 37, 46, and 45 dB at 2.3, 2.4, and 2.5 GHz, respectively, and with no significant loss. Simulations have been verified by the measurements of a fabricated prototype. A good agreement has been achieved simulated and measured results. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:418–421, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27312

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