Over recent years, the surge in mobile communication has deepened global connectivity.
With escalating demands for faster data rates, the push for higher carrier frequencies …

A single tunable filter simplifies complexity, reduces insertion loss, and minimizes size
compared to frequency switchable filter banks commonly used for radio frequency (RF) band …

This work reports a millimeter wave (mmWave) thin-film bulk acoustic resonator (FBAR) in
sputtered scandium aluminum nitride (ScAlN). This paper identifies challenges of frequency …

This work presents the first demonstration of a three layer periodically poled piezoelectric
film (P3F) lithium niobate resonator. The proposed platform allows for high series 3dB …

In this work we present a solidly mounted overmoded bulk acoustic resonator (OBAR)
designed to operate at millimeter wave (mmWave) frequencies. This device uses a …

This letter 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-and 3-dB …

This paper demonstrates the scaling of bulk acoustic wave (BAW) resonator to create micro-
acoustic RF filtering solutions in the 8–12 GHz range for X band applications using …

This study describes a sputtered scandium aluminum nitride (ScAlN) thin-film bulk acoustic
resonator (FBAR) at 55.4 GHz. The resonator leverages the third-order symmetric (S3) mode …

As wireless communication evolves into millimeter wave (mmWave) frequencies, it becomes
extremely challenging to realize compact and integrated radio frequency (RF) front-end …

Emerging wireless communication standards call for higher carrier frequencies, presenting
challenges to frontend filter design for 5G and beyond. Bulk acoustic wave (BAW) resonators …