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Tu2B-1: Direct-Coupled TE–TM Dual-Mode Waveguide Cavities
This paper introduces a novel quadruplet structure in waveguide technology, comprising a TM cavity within two λ/4 TE cavities. This structure demonstrates the capability of generating responses with f...
Tu2B-2: Practical Design of Waveguide Filters with Quarter-Wavelength Resonators Implementing Transmission Zeros Using Frequency-Variant Couplings
This article describes a new waveguide filter topology based on λg/4 resonators and frequency-variant couplings (FVCs) implemented with modified E-plane stubs. The combination of the new stubs with λg...
Tu2B-3: A Novel Six-Port Three-Way Filtering Splitter-Combiner Network Using a Lattice of Coupled Resonators Realized in Ridge Waveguides
This paper presents a novel three-way nine-pole compact cross-coupled resonator network that simultaneously realizes a filtering function and a three-way splitter or combiner function. These functiona...
Tu2B-4: A Novel Trisection for Implementing Below-Passband Transmission Zeros in Evanescent-Mode Waveguide Filters
This paper addresses the design and development of a novel trisection topology in evanescent-mode waveguide technology providing one below-passband transmission zero. The innovative proposal achieves ...
Tu2C-1: Synthesis and Design of a Highly Selective Band-5 SAW Filter Using Cascaded DMS with Non-Uniform Polarities
In this paper, a novel compact Band-5 RX surface acoustic wave (SAW) bandpass filter with high selectivity is proposed. The filter is composed of two identical double-mode SAW (DMS), which are symmetr...
Tu2C-2: 23.8 GHz Acoustic Filter in Periodically Poled Piezoelectric Film Lithium Niobate with 1.52 dB IL and 19.4% FBW
This paper reports the first piezoelectric acoustic filter in periodically poled piezoelectric film (P3F) lithium niobate (LiNbO3) at 23.8 GHz with low insertion loss (IL) of 1.52 dB and 3-dB fraction...
Tu2C-3: A Fin-Mounted A5-Mode Lithium Niobate Resonator at 27.58GHz with k² of 4.4%, Qp of 448, and FoM of 19.7
This work presents a fin-mounted A5-mode Lamb wave acoustic resonator based on Y128°-cut lithium niobite thin film for millimeter wave (mmWave) frequencies. By using a new fin-mounted structure and op...
Tu2C-4: A 56GHz Trilayer AlN/ScAlN/AlN Periodically Poled FBAR
Emerging wireless communication standards call for higher carrier frequencies, presenting challenges to frontend filter design for 5G and beyond. Bulk acoustic wave (BAW) resonators have been widely e...
Tu2C-5: Experimental Study of Periodically Poled Piezoelectric Film Lithium Niobate Resonator at Cryogenic Temperatures
This work reports the first study of periodically poled piezoelectric film (P3F) lithium niobate (LiNbO₃) resonators at cryogenic temperatures. We experimentally investigate the temperature dependency...
Tu3C-1: An Energy Efficient 56-Gb/s D-band Point-to-point Link based on CMOS TX and RX Modules and Transmitarray Beamformers
This paper presents an energy-efficient transmitter and receiver system based on multi-channel integrated circuits in CMOS 45 nm technology, in-package antenna feeds and high directivity planar lenses...