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There are 2 technologies — Bulk (BAW) and Surface (SAW) mode devices — competing for the RF filter slots in Mobile phones. Above 1.5 GHz, high performance filters have been dominated by BAW devices. B...
This work aims to present a radio frequency (RF) front-end surface acoustic wave (SAW) filter solution for the Wi-Fi 7 6-GHz band. Based on the X-cut LiNbO₃/SiO₂/SiC 3-layer substrate, the fabricated ...
Th2B-3: Frequency and Bandwidth Design of Millimeter Wave Thin-Film Lithium Niobate Acoustic Filters
This paper presents a versatile design method for precise frequency and bandwidth control of compact acoustic filters monolithically at millimeter-wave (mmWave) in thin-film lithium niobate(LN). Proto...
Thin film bulk acoustic wave resonators (FBARs) leveraging sputtered aluminum nitride (AlN) and scandium aluminum nitride (ScAlN) films, are a leading commercial solution for compact radio frequency (...
As mm-wave communication bands become widely utilized, the demand for high performance, low cost, and compact sized frontend filters is increasing. Both quality factors and electromechanical coupling ...
A reconfigurable filtering circulator/isolator (RFCI) with tunable frequency and phase based on the spatiotemporal modulation (STM) method is presented. The proposed RFCI mainly consists of three para...
This paper presents a miniaturized Marchand balun-based passive vector sum phase shifter (P-VSPS) for millimeter-wave phased-array systems. By implementing miniaturized Marchand balun structures as ma...
In this paper, a novel multifunctional bandpass filter with simultaneously integrated amplitude and phase control abilities is proposed. It is constructed by using a filtering rat-race coupler operati...
In-band full-duplex operations in CMOS are gaining attention in many diverse applications: from doubling of communication capacity, cryogenic quantum readout, to high-performance sensing. Traditional ...
Event-driven continuous-time digital signal processing (CT-DSP) is an innovative approach that processes signals in real-time without relying on a global clock. Instead, it responds to events, such as...