5G band n79 acoustic wave resonator RF filter circuit

RW Houlden, JB Shealy, SR Gibb… - US Patent 10,979,025, 2021 - Google Patents
US10979025B2 - 5G band n79 acoustic wave resonator RF filter circuit - Google Patents
US10979025B2 - 5G band n79 acoustic wave resonator RF filter circuit - Google Patents 5G …

Single crystal acoustic resonator and bulk acoustic wave filter

JB Shealy - US Patent 9,912,314, 2018 - Google Patents
(57) ABSTRACT A method of wafer scale packaging acoustic resonator devices and an
apparatus therefor. The method including providing a partially completed semiconductor …

Thin film bulk wave acoustic resonators (FBAR) for wireless applications

RC Ruby, P Bradley, Y Oshmyansky… - … Symposium (Cat. No …, 2001 - ieeexplore.ieee.org
For some time, FBAR technology has lagged behind ceramic technology and surface
acoustic wave resonator (SAW) technology for commercial applications. There were several …

11E-2 review and comparison of bulk acoustic wave FBAR, SMR technology

R Ruby - 2007 IEEE Ultrasonics Symposium Proceedings, 2007 - ieeexplore.ieee.org
Since FBAR (free-standing bulk acoustic resonator) and solidly mounted resonator SMR-
BAW devices came onto the scene as serious competition to the entrenched SAW …

Apparatus comprising a broadcast receiver circuit and provided with an antenna

A Kerselaers - US Patent 9,054,773, 2015 - Google Patents
The invention relates to an apparatus 1 comprising a broad cast receiver circuit, an
embedded antenna for receiving broadcast signals and a tuning circuit coupled between the …

Cavity spanning bottom electrode of a substrate-mounted bulk wave acoustic resonator

RC Ruby - US Patent 6,384,697, 2002 - Google Patents
Acoustic resonators that are formed of thin? lms may be used in a number of applications
that require a precisely controlled frequency. AThin Film Bulk Acoustic Resonator (FBAR) or …

Controlled effective coupling coefficients for film bulk acoustic resonators

RC Ruby, P Bradley, D Figueredo, JD Larson III… - US Patent …, 2002 - Google Patents
ASSistant Examiner Barbara Summons (57) ABSTRACT In an array of acoustic resonators,
the effective coupling coefficient of first and second filters are individually tailored in order to …

Tunable duplexer

SL Kuffner - US Patent 7,212,789, 2007 - Google Patents
5,126,700 A* 6/1992 Curtin et al.................. 333/16 5,267,297 A* 11/1993 Kawano et
al.............. 455,561 5,369,782 A* 11/1994 Kawano et al................ 455/16 5.437, 055 A …

Electronic device including filter

J Fujiwara, T Jibu, T Komatsu, H Nakamura… - US Patent …, 2016 - Google Patents
An electronic device includes a main circuit connected between an input terminal and an
output terminal, and an auxiliary circuit connected in parallel to the main circuit between the …

Ultra-miniature high-Q filters and duplexers using FBAR technology

R Ruby, P Bradley, J Larson… - … Solid-State Circuits …, 2001 - ieeexplore.ieee.org
An ultra-miniature PCS duplexer uses thin-film bulk wave acoustic resonator (FBAR)
technology. FBAR resonators are made using aluminum nitride for the piezoelectric material …