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21. 发明授权

US09676617B2 Micro-electro-mechanical transducer having an optimized non-flat surface 有权
公开(公告)号：US09676617B2
公开(公告)日：2017-06-13
申请号：US14642521
申请日：2015-03-09
申请人： Kolo Technologies, Inc.
发明人： Yongli Huang
IPC分类号： B81C1/00 , H02N1/00 , H04R19/00 , B81B3/00 , H03H9/24 , H03H9/46 , H03H9/02 , H03H3/007
CPC分类号： B81C1/00626 , B81B3/0027 , B81C1/00158 , B81C1/00182 , B81C1/00357 , B81C1/00373 , B81C1/00523 , H01L2924/0002 , H02N1/006 , H03H3/0072 , H03H9/02259 , H03H9/2405 , H03H9/462 , H04R19/005 , H04R2201/003 , Y10T29/42 , Y10T29/49005 , H01L2924/00
摘要： A method for a capacitive micromachined ultrasound transducer (cMUT) is provided. The method grows and patterns a diffusion barrier layer over a surface of a base layer. The diffusion barrier layer have different areas that allow different levels of diffusion penetration. A diffusion process is performed over the diffusion barrier layer such that a diffusion reactivated material reaches different depths into the base layer below the different areas. A anchor is formed using the diffusion reactivated material. The anchor has a lower portion below a major surface of the base layer and an upper portion above the major surface of the base layer. A cover layer is placed over the anchor and the base layer. At least one of the cover layer and the base layer includes a flexible layer, such that the cMUT electrodes are movable relative to each other to cause a change of the gap width.

22. 发明申请

US20170126206A1 ACTIVE RESONATOR SYSTEM WITH TUNABLE QUALITY FACTOR, FREQUENCY, AND IMPEDANCE 审中-公开
公开(公告)号：US20170126206A1
公开(公告)日：2017-05-04
申请号：US15351047
申请日：2016-11-14
申请人： THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
发明人： Clark T.-C. Nguyen , Thura Lin Naing , Tristan O. Rocheleau
IPC分类号： H03H11/04 , H03H9/64 , H03H9/46 , H01F27/29 , H03H9/24
CPC分类号： H03H11/0466 , H01F27/29 , H03H9/2426 , H03H9/2436 , H03H9/465 , H03H9/525 , H03H9/64 , H03H11/0472
摘要： Active feedback is used with two electrodes of a four-electrode capacitive-gap transduced wine-glass disk resonator to enable boosting of an intrinsic resonator Q and to allow independent control of insertion loss across the two other electrodes. Two such Q-boosted resonators configured as parallel micromechanical filters may achieve a tiny 0.001% bandwidth passband centered around 61 MHz with only 2.7 dB of insertion loss, boosting the intrinsic resonator Q from 57,000, to an active Q of 670,000. The split capacitive coupling electrode design removes amplifier feedback from the signal path, allowing independent control of input-output coupling, Q, and frequency. Controllable resonator Q allows creation of narrow channel-select filters with insertion losses lower than otherwise achievable, and allows maximizing the dynamic range of a communication front-end without the need for a variable gain low noise amplifier.

23. 发明授权

US09608596B2 Acoustic wave device and antenna duplexer including same 有权
公开(公告)号：US09608596B2
公开(公告)日：2017-03-28
申请号：US15181801
申请日：2016-06-14
申请人： SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
发明人： Satoru Ikeuchi
IPC分类号： H03H9/46 , H03H9/64 , H03H9/72
CPC分类号： H03H9/64 , H03H9/6436 , H03H9/6456 , H03H9/725
摘要： An acoustic wave device includes a first longitudinally-coupled acoustic wave filter having interdigital transducer (“IDT”) electrodes arranged in a propagation direction of acoustic wave, and a second longitudinally-coupled acoustic wave filter having IDT electrodes arranged in a propagation direction of acoustic wave. In the IDT electrodes of the first longitudinally-coupled acoustic wave filter, a comb-shaped electrode connected to an input port and another comb-shaped electrode connected to an output port are disposed in an in-phase relation. In the IDT electrodes of the second longitudinally-coupled acoustic wave filter, a comb-shaped electrode connected to an input port and another comb-shaped electrode connected to an output port are disposed in an anti-phase relation. This acoustic wave device has an excellent attenuation characteristic while maintaining a preferable insertion loss.

24. 发明授权

US09524360B2 Network synthesis design of microwave acoustic wave filters 有权
公开(公告)号：US09524360B2
公开(公告)日：2016-12-20
申请号：US14945736
申请日：2015-11-19
申请人： RESONANT INC.
发明人： Patrick J. Turner , Richard N. Silver , Balam Quitze Andres Willemsen Cortes , Kurt F. Raihn , Neal O. Fenzi , Robert B. Hammond
IPC分类号： G06F17/50 , H03H9/64 , H03H9/46 , H03H9/54
CPC分类号： G06F17/505 , G06F17/5063 , H03H3/00 , H03H9/465 , H03H9/542 , H03H9/64 , H03H9/6483
摘要： A method of designing an acoustic microwave filter in accordance with frequency response requirements. The method comprises selecting an initial filter circuit structure including a plurality of circuit elements comprising at least one resonant element and at least one other reactive circuit element, selecting circuit response variables based on the frequency response requirements, selecting a value for each of the circuit elements based on the selected circuit response variables to create an initial filter circuit design, transforming the resonant element(s) and the other reactive circuit element(s) of the initial filter circuit design into at least one acoustic resonator model to create an acoustic filter circuit design, adding parasitic effects to the acoustic filter circuit design to create a pre-optimized filter circuit design, optimizing the pre-optimized filter circuit design to create a final filter circuit design, and constructing the acoustic microwave filter based on the final filter circuit design.

25. 发明申请

US20160359469A1 TUNABLE ELECTROACOUSTIC RF FILTER WITH IMPROVED ELECTRIC PROPERTIES AND METHOD FOR OPERATING SUCH A FILTER 审中-公开
标题翻译：具有改进的电气特性的电容式电动射频滤波器和用于操作这种过滤器的方法
公开(公告)号：US20160359469A1
公开(公告)日：2016-12-08
申请号：US15117390
申请日：2014-05-30
申请人： EPCOS AG
发明人： Juha Ellä , Edgar Schmidhammer
IPC分类号： H03H9/46 , H03F3/20 , H03H9/64
CPC分类号： H03H9/46 , H03F3/20 , H03F2200/294 , H03H7/38 , H03H9/542 , H03H9/568 , H03H9/64 , H03H9/6483 , H03H9/70 , H03H2009/02165 , H03H2210/025
摘要： The invention specifies a tunable RF filter which may operate using electroacoustic components and provides good electrical properties despite having a wide tuning range. For this purpose, the RF filter comprises a tunable filter core (AFK) having electroacoustic (EAK) and detunable (AKE) filter elements, and impedance restoration circuits (IWS1, IWS2) for compensating for an impedance change by tuning the filter core.
摘要翻译：本发明规定了可调谐RF滤波器，其可以使用电声部件进行操作，并且尽管具有宽的调谐范围，但是其提供良好的电气特性。为此，RF滤波器包括具有电声（EAK）和不可恢复（AKE）滤波器元件的可调谐滤波器芯（AFK）和用于通过调谐滤波器芯来补偿阻抗变化的阻抗恢复电路（IWS1，IWS2）。

26. 发明申请

US20160352368A1 TUNABLE NOTCH FILTER 有权
标题翻译： TUNABLE NOTCH过滤器
公开(公告)号：US20160352368A1
公开(公告)日：2016-12-01
申请号：US15006540
申请日：2016-01-26
申请人： RF Micro Devices, Inc.
发明人： Nadim Khlat
IPC分类号： H04B1/10 , H03H9/02 , H03H7/01 , H03H9/46
CPC分类号： H04B1/1027 , H03H9/54 , H03H9/542 , H03H9/547 , H03H9/6409 , H03H2009/02165 , H03H2210/012 , H03H2210/025 , H04B1/1036 , H04B2001/1063
摘要： Circuitry includes an input node, an output node, acoustic filtering circuitry, an inductive element, and a capacitor. The acoustic filtering circuitry includes an acoustic filtering input node and an acoustic filtering output node. The inductive element is coupled in series with the acoustic filtering circuitry between the input node and the output node such that the inductive element is coupled between the input node and the acoustic filtering input node and the acoustic filtering output node is coupled to the output node. The capacitor is coupled in parallel with the acoustic filtering circuitry and the inductive element between the input node and the output node. Providing the inductive element in series with the acoustic filtering circuitry and the capacitor in parallel with the acoustic filtering circuitry and the inductive element provides a highly selective notch filter response between the input node and the output node with high attenuation.
摘要翻译：电路包括输入节点，输出节点，声学滤波电路，电感元件和电容器。声学滤波电路包括声学滤波输入节点和声学滤波输出节点。感应元件与输入节点和输出节点之间的声学滤波电路串联耦合，使得感应元件耦合在输入节点和声学滤波输入节点之间，声学滤波输出节点耦合到输出节点。电容器与输入节点和输出节点之间的声学滤波电路和电感元件并联耦合。提供与声学滤波电路和电容器串联的电感元件与声学滤波电路和电感元件并联提供输入节点和具有高衰减的输出节点之间的高选择性陷波滤波器响应。

27. 发明授权

US09467116B2 Broad band diplexer using suspended strip-line capacitor technology 有权
标题翻译：宽带双工器采用悬挂带状线电容技术
公开(公告)号：US09467116B2
公开(公告)日：2016-10-11
申请号：US13715634
申请日：2012-12-14
申请人： Intel Corporation
发明人： Purna Subedi
IPC分类号： H01P1/213 , H01P1/203 , H03H9/46 , H01P5/18
CPC分类号： H03H9/46 , H01P1/203 , H01P1/2135 , H01P5/187
摘要： A broad band diplexer employing suspended strip-line capacitors is disclosed. The diplexer has a low pass filter circuit and a high band pass filter circuit. The high band pass filter circuit has a first set of conductive pathways formed on the first surface of a suspended dielectric substrate, a second conductive pathway formed on the second surface of the substrate such that first and second conductive pathways are capacitively coupled, and plural resonators. The high pass filter circuit provides plural transmission poles within the band of operation exceeding the number of resonators.
摘要翻译：公开了一种采用悬挂带状电容器的宽带双工器。双工器具有低通滤波器电路和高带通滤波器电路。高带通滤波器电路具有形成在悬置电介质基板的第一表面上的第一组导电通路，形成在基板的第二表面上的第二导电通路，使得第一和第二导电通路电容耦合，以及多个谐振器。高通滤波器电路在超过谐振器数量的工作频带内提供多个传输极。

28. 发明申请

US20160028374A1 APPARATUS AND METHOD FOR TUNING A RESONANCE FREQUENCY 审中-公开
标题翻译：用于调谐谐振频率的装置和方法
公开(公告)号：US20160028374A1
公开(公告)日：2016-01-28
申请号：US14774471
申请日：2013-03-11
申请人： NOKIA TECHNOLOGIES OY
发明人： Martti VOUTILAINEN
IPC分类号： H03J1/06 , H01Q1/50 , H03H3/02 , H03H9/02 , H03H9/46
CPC分类号： H03J1/06 , H01L41/193 , H01Q1/50 , H03H3/02 , H03H9/02244 , H03H9/02409 , H03H9/2436 , H03H9/2457 , H03H9/2463 , H03H9/462 , H03H9/70 , H03H2003/027 , H03H2009/155
摘要： There are disclosed various apparatuses and methods for tuning a resonance frequency. In some embodiments there is provided an apparatus (200) comprising at least one input electrode (202, 204) for receiving radio frequency signals; a graphene foil (210) for converting at least part of the radio frequency signals into mechanical energy; at least one dielectric support element (212) to support the graphene foil (210) and to space apart the at least one input electrode (202, 204) and the graphene foil (210). The graphene foil (210) has piezoelectric properties. In some embodiments there is provided a method comprising receiving radio frequency signals by at least one input electrode (202, 204) of an apparatus (200); providing a bias voltage to the apparatus (200) for tuning the resonance frequency of the apparatus (200); and converting at least part of the radio frequency signals into mechanical energy by a graphene foil (210) having piezoelectric properties.
摘要翻译：公开了用于调谐共振频率的各种装置和方法。在一些实施例中，提供了一种装置（200），包括用于接收射频信号的至少一个输入电极（202,204）; 用于将至少部分射频信号转换为机械能的石墨烯箔（210）; 至少一个电介质支撑元件（212），以支撑所述石墨烯箔（210）并使所述至少一个输入电极（202,204）和所述石墨烯箔（210）间隔开。石墨烯箔（210）具有压电特性。在一些实施例中，提供了一种方法，包括由装置（200）的至少一个输入电极（202,204）接收射频信号; 向所述设备（200）提供偏置电压以调谐所述设备（200）的谐振频率; 以及通过具有压电特性的石墨烯箔（210）将至少部分射频信号转换为机械能。

29. 发明授权

US09154133B2 ESD robust level shifter 有权
标题翻译： ESD鲁棒电平转换器
公开(公告)号：US09154133B2
公开(公告)日：2015-10-06
申请号：US13630721
申请日：2012-09-28
申请人： Texas Instruments Incorporated
发明人： Muhammad Yusuf Ali , Rajkumar Sankaralingam , Charles M. Branch
IPC分类号： H03H9/46 , H03K19/003 , H02H9/04 , H01L27/02
CPC分类号： H03K19/00384 , H01L27/0266 , H02H9/046
摘要： An inverter type level shifter includes a first power supply voltage and a first ground voltage. A first inverter operates on the first power supply voltage and the first ground voltage to generate a first inverter output. The first inverter includes a first PMOS transistor having a drain coupled to a source of a blocking PMOS transistor and a first NMOS transistor having a drain coupled to a source of a blocking NMOS transistor. The level shifter further includes a second power supply voltage and a second ground voltage, and a second inverter coupled to the first inverter output and operates on the second power supply voltage and the second ground voltage. The blocking PMOS provides the required blocking on the event of the voltage spike in the second power supply voltage w.r.t the first power supply voltage and the blocking NMOS transistor provides the required blocking on the event of the voltage spike in the second ground voltage with respect to the first ground voltage.
摘要翻译：逆变器型电平移位器包括第一电源电压和第一接地电压。第一逆变器对第一电源电压和第一接地电压进行操作以产生第一逆变器输出。第一反相器包括第一PMOS晶体管，其具有耦合到阻塞PMOS晶体管的源极的漏极和具有耦合到阻塞NMOS晶体管的源极的漏极的第一NMOS晶体管。电平移位器还包括第二电源电压和第二接地电压，以及第二反相器，耦合到第一反相器输出并对第二电源电压和第二接地电压进行操作。阻塞PMOS在第一电源电压的第二电源电压中的电压尖峰的事件上提供所需的阻塞，并且阻塞NMOS晶体管相对于第二电源电压在第二接地电压中的电压尖峰的事件上提供所需的阻塞第一接地电压。

30. 发明授权

US09148115B2 Filter and duplexer 有权
标题翻译：过滤器和双工器
公开(公告)号：US09148115B2
公开(公告)日：2015-09-29
申请号：US13909868
申请日：2013-06-04
申请人： TAIYO YUDEN CO., LTD.
发明人： Naoya Yabuuchi , Toshio Nishizawa , Hikaru Shimomura
IPC分类号： H03H9/02 , H03H9/72 , H03H9/00 , H03H9/70 , H03H9/46
CPC分类号： H03H9/0004 , H03H9/0023 , H03H9/46 , H03H9/70 , H03H9/725
摘要： A filter includes: a filter circuit connected between a first terminal and a second terminal; and a matching circuit connected between the filter circuit and the second terminal, wherein an impedance viewed from the second terminal toward the matching circuit is less than an impedance viewed from a node between the filter circuit and the matching circuit toward the filter circuit.
摘要翻译：滤波器包括：连接在第一端子和第二端子之间的滤波器电路; 以及连接在滤波器电路和第二端子之间的匹配电路，其中从第二端子朝向匹配电路观察的阻抗小于从滤波器电路和匹配电路之间的节点朝向滤波器电路观察的阻抗。

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