S-Band Micromechanical Resonant Impedance Transformers Based on Aluminum Nitride FBARs

YM Huang, CY Chang, TH Hsu, Y Ho… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
This work presents an intensive study of passive voltage amplification offered by one-port
microelectromechanical systems (MEMS) piezoelectric resonators used as matching …

Sub-3 DB Insertion Loss Broadband Acoustic Delay Lines and High Fom Resonators in LiNbO3/SiO2/Si Functional Substrate

CC Yeh, CH Tsai, GL Wu, TH Hsu… - 2023 IEEE 36th …, 2023 - ieeexplore.ieee.org
This work demonstrates high-performance shear-horizontal surface acoustic wave (SH-
SAW) delay lines at 910 MHz with low insertion loss (IL) of 2.6 dB and wide fractional …

Near-spurious-free lithium niobate-on-insulator SAW resonators for miniaturized GHz impedance transformers

TH Hsu, SS Tung, CH Tsai, GL Wu… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
This paper investigates the design, fabrication, and characterization of a miniaturized shear
horizontal surface acoustic (SH-SAW) resonator based on a lithium niobate-on-insulator …

Suppression of Spurious Modes in Aluminum Nitride S1 Lamb Wave Resonators Using A Mechanical Soft-Contact Scheme

SS Tung, TH Hsu, Y Ho, YH Chen… - 2023 IEEE 36th …, 2023 - ieeexplore.ieee.org
In this study, a novel mechanical soft-contact (MSC) scheme is proposed, for the first time, to
enable selective mode suppression in aluminum nitride (AlN) S 1 Lamb wave resonators …

A 3.6 GHz Radio Frequency Circulator based on AlN FBAR Filters

CY Chang, YC Yu, YC Hung, YH Chen… - 2024 IEEE …, 2024 - ieeexplore.ieee.org
In this study, a 3.6 GHz magnetic-free radio frequency (RF) circulator based on aluminum
nitride (AlN) film bulk acoustic wave resonator (FBAR) filters is implemented using …