Performance Analysis of Waveguide BPF Configured by SRR-Based Frequency Selective Surface and Its Equivalent Circuit

Putri, R. A. Rizka Qori Yuliani; Nuijihan, Shita Fitria; Rafsyam, Yenniwarti; Mistialustina, Hartuti; Nusantara, Hardi; Munir, Achmad

doi:10.1109/ict49546.2020.9239585

Cited by 2 publications

(1 citation statement)

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“…SIDGS consists of slot lines and metal vias that surround the slots [1]. Compared with waveguides and SIWs [2] [3], it has a smaller volume [4], and also has a lower radiation loss [5]. Compared with a microstrip line [6], it has lower radiation loss, a more robust ability to resist interference from external circuits [7], and also has the characteristic of the compact structure of a microstrip line [8] [9] .…”

Section: Introductionmentioning

confidence: 99%

A New SIDGS-Based Tunable BPF Design Method with Controllable Bandwidth

Zhou

Wada

2023

IEICE Trans. Electron.

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This paper provides a new method to implement substrate integrated defected ground structure(SIDGS)-based bandpass filter(BPF) with adjustable frequency and controllable bandwidth. Compared with previous literature, this method implements a new SIDGS-like resonator capable of tunable frequency in the same plane as the slotted line using a varactor diode, increasing the design flexibility. In addition, the method solves the problem that the tunable BPF constituted by the SIDGS resonator cannot control the bandwidth by introducing a T-shaped non-resonant unit. The theoretical design method and the structural design are shown. Moreover, the configured structure is fabricated and measured to show the validity of the design method in this paper.

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