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Two Types of Trisection Bandpass Filters With Mixed Cross-Coupling
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this letter, a comparative analysis of two types of trisection bandpass filters (BPF) with a mixed cross-coupling is carried out. It is shown that a mixed cross-coupling results to the vanishing of a transmission zero in a trisection BPF of the first type (with a central reflection-type...

A Terahertz Tunable Waveguide Bandpass Filter Based on Bimorph Microactuators
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Terahertz (THz) tunable filter plays a significant role for miniaturization and multifunction in application systems. The frequency of existing schemes for tunable waveguide filter can only reach up to the W-band. The selection of tuning and assembly solution for THz band is...

High-Temperature Superconducting Multimode Dual-Ring UWB Bandpass Filter
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A novel multimode dual-ring ultrawideband (UWB) bandpass filter is proposed, which is constructed by loading open stubs in the horizontal and vertical directions of the dual-ring resonator. Five modes are evenly distributed in the passband, and a pair of transmission zeros (TZs) are...

Dielectric Slab Air-Filled Substrate Integrated Waveguide (SAFSIW) Bandpass Filters
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This letter introduces stepped-impedance bandpass filters based on the slab air-filled substrate integrated waveguide (SAFSIW), which provides a compromise in terms of loss and footprint between substrate integrated waveguide (SIW) and air-filled SIW (AFSIW). First, the theoretical unloaded...

Simple Coupled-Line Tunable Bandpass Filter With Wide Tuning Range
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper, a tunable bandpass filter using coupled line with a wide tuning range is proposed. The proposed filter has a simple structure which is composed of a coupled-line section and two pairs of varactors. Meanwhile, simultaneously tuning on bandwidth and center frequency are...

28-GHz High-Selectivity Bandpass Filters With Dual-Behavior Resonators Using GaAs Technology
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this article, the design and implementation of two 28-GHz millimeter-wave on-chip high selectivity bandpass filters with coupled dual-behavior resonators are proposed. The proposed bandpass filters consist of coupled dual-behavior resonators with open/shorted stubs. Two and three...

A Compact Dual-Wideband Bandpass Filter Based on Open-/Short-Circuited Stubs
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A dual-wideband bandpass filter is proposed and analyzed, which is based on loaded open-/short-circuited stubs. The dual-band filter consists of a second-order bandpass filter and a third-order bandpass filter, which can be designed separately. The bandwidth of two passbands...

Bandpass-to-Bandstop Reconfigurable Tunable Filters with Frequency and Bandwidth Controls
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A novel method is proposed for designing bandpass-to-bandstop reconfigurable tunable filters. The proposed method employs standard bandpass and bandstop design theory which does not require complex coupling synthesizing process, and can be applied for arbitrary-order...

Supercompact and Ultrawideband Surface Plasmonic Bandpass Filter
2020 Edition, Volume 68, February 1, 2020 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We propose a supercompact and ultrawideband (UWB) bandpass filter for spoof surface plasmonic polariton (SSPP) mode. By using meander-line technology, the electrical size of the proposed SSPP structure is reduced dramatically, which is only about 1/4 of the traditional...

Isolating Bandpass Filters Using Time-Modulated Resonators
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper, we demonstrate, for the first time, an isolating bandpass filter with low-loss forward transmission and high reverse isolation by modulating its constituent resonators. To understand the operating principle behind the device, we develop a spectral domain analysis method...

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