COMPACT LTCC DUAL-MODE FILTER WITH NON-ORTHOGONAL FEEDING AND HARMONICS SUPPRESSION FOR 5G APPLICATIONS | Zendy

Changkun Li | Zendy; Li Qian | Zendy; Ziyang Zhang | Zendy; Yunheng Wang | Zendy; Bo Zhou | Zendy

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COMPACT LTCC DUAL-MODE FILTER WITH NON-ORTHOGONAL FEEDING AND HARMONICS SUPPRESSION FOR 5G APPLICATIONS

Author(s) -

Changkun Li,

Li Qian,

Ziyang Zhang,

Yunheng Wang,

Bo Zhou

Publication year - 2020

Publication title -

progress in electromagnetics research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.245

H-Index - 33

ISSN - 1937-6480

DOI - 10.2528/pierl20022705

Subject(s) - dual mode , harmonics , dual (grammatical number) , filter (signal processing) , electronic engineering , mode (computer interface) , materials science , acoustics , optoelectronics , electrical engineering , computer science , physics , engineering , art , literature , voltage , operating system

A dual-mode band-pass filter (BPF) for the fifth generation (5G) N78 band applications is proposed based on a 2-layer low temperature cofired ceramic (LTCC) substrate. The proposed BPF is built with a square resonator and two pairs of open-stubs, which suppressed the 2nd-order and 3rd-order 27 and 21 dB, respectively. The proposed BPF not only achieved a size reduction of 50% compared with a single-mode implementation, but also possessed a non-orthogonal input/output (I/O) feeding style, which presents convenient interconnection and integration with neighboring devices. Moreover, the dual-mode BPF does not need a conventional disturbing element to excite two degenerate modes. Comparison and discussion are carried out as well.

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