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Compact Wide-Frequency Tunable Filter with Switchable Bandpass and Bandstop Frequency Response
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A novel compact wide-frequency tunable filter with switchable bandpass and bandstop frequency response is presented in this paper. By employing two PIN diodes between source and load port, the bandpass and bandstop filtering response can be switched, respectively. Three varactor...

Adaptive Nonlinear Equalization of a Tunable Bandpass Filter
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The mitigation of third-order intermodulation distortion produced by a nonlinear tunable bandpass filter (BPF) in a digital receiver channel is demonstrated. An iterative solution is proposed, in the use of the least-mean-square algorithm, as an effective way to allow the correction...

Wideband and Ultrawideband Phase Shifter Designs Based on Low-Pass/Bandpass/High-Pass Networks
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents the design of wideband and ultrawideband 90° phase shifters using coupled-line sections and low-pass/bandpass/high-pass networks with inductors and capacitors. By relaxing the tight-coupling requirement, the proposed phase shifters are realized with much easier...

Communication Signal Pre-processing in Impulsive Noise: A Bandpass Myriad Filtering Based Method
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In impulsive noise modeled as symmetric α-stable (SαS) distribution, it is known that signal processing techniques performed in bandpass can generally achieve better performance than in baseband. In this letter, we propose a bandpass myriad filtering based pre-processing method...

High-Order Dual-Port Quasi-Absorptive Microstrip Coupled-Line Bandpass Filters
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this article, we present the first demonstration of distributed and symmetrical all-band quasi-absorptive filters that can be designed to arbitrarily high orders. The proposed quasi-absorptive filter consists of a bandpass section (reflective-type coupled-line filter) and absorptive...

A Fast Gradient-Based Iterative Algorithm for Undersampled Phase Retrieval
2018 Edition, Volume 54, August 1, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This letter develops a fast iterative shrinkage-thresholding algorithm, which can efficiently tackle the issue in undersampled phase retrieval. First, using the gradient framework and proximal regularization theory, the undersampled phase retrieval problem is formulated as an...

Quasi-Lumped Analysis of Wideband Bandpass Filter with High Out-of-Band Rejection Rate
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper, a wideband bandpass filter is proposed with three transmission zeros which are created using immittance inverters. Impedance-(K-) and admittance-(J-) inverters are integrated with the highpass section and lowpass sections, respectively, and both the sections are integrated to...

Triple-Band Cavity Bandpass Filters
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents a new class of cavity-based triple-band filters employing resonators that support three operation modes. The proposed triple-band filters do not require junctions and can achieve an equivalent Chebyshev performance with fewer cavities, thus significantly reducing the footprint...

A Compact Planar Quasi-Yagi Antenna With Bandpass Filtering Response
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A planar quasi-Yagi antenna with bandpass filtering response is presented. The quasi-Yagi antenna consists of a double-sided printed driven dipole, an offset double-sided parallel-strip line (DSPSL) director, a DSPSL reflector, and an offset DSPSL parasitic element. Both the reflector and...

Dual-Mode Microstrip Patch Bandpass Filters With Generalized Frequency Responses
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A basic two-pole bandpass filter based on the dual-mode square patch resonator is presented and analyzed to realize generalized frequency responses in terms of two finite transmission zeros (FTZs). The feeding lines of the dual-mode filter are deviated from the center position of the patch...

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