公开(公告)号：US20170025998A1

公开(公告)日：2017-01-26

申请号：US14522534

申请日：2014-10-23

Applicant: The Trustees Of Columbia University In The City Of New York

Inventor： Changyao Chen ,  James Hone ,  Sunwoo Lee

IPC: H03B5/30

CPC classification number: H03B5/30 ,  G01J5/046 ,  G01J5/44 ,  H01L21/0262 ,  H01L29/00 ,  H01L29/0673 ,  H01L29/165 ,  H01L29/84 ,  H01L41/18 ,  H03B2200/0022 ,  H03B2200/0048 ,  H03B2201/0266 ,  H03B2201/0275 ,  H03H3/02 ,  H03H9/02244 ,  H03H9/02433 ,  H03H9/17

Abstract: A nano-electro-mechanical systems (NEMS) oscillator can include an insulating substrate, a source electrode and a drain electrode, a metal local gate electrode, and a micron-sized, atomically thin graphene resonator. The source electrode and drain electrode can be disposed on the insulating substrate. The metal local gate electrode can be disposed on the insulating substrate. The graphene resonator can be suspended over the metal local gate electrode and define a vacuum gap between the graphene resonator and the metal local gate electrode.

Abstract translation: 纳米机电系统（NEMS）振荡器可以包括绝缘衬底，源电极和漏电极，金属局部栅电极和微米级的原子薄的石墨烯谐振器。 源电极和漏极可以设置在绝缘基板上。 金属本地栅电极可以设置在绝缘基板上。 石墨烯谐振器可以悬挂在金属局部栅电极上，并且在石墨烯谐振器和金属局部栅电极之间限定真空间隙。

公开(公告)号：US09325277B1

公开(公告)日：2016-04-26

申请号：US14571805

申请日：2014-12-16

Applicant: Xilinx, Inc.

Inventor： Adebabay M. Bekele ,  Parag Upadhyaya

IPC: H03B5/12

CPC classification number: H03B5/1253 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1243 ,  H03B5/1265 ,  H03B5/1271 ,  H03B5/1278 ,  H03B5/129 ,  H03B2201/0208 ,  H03B2201/0266 ,  H03B2201/0291 ,  H03B2201/031 ,  H03B2201/038

Abstract: Voltage-controlled oscillation is described. In an apparatus therefor, an inductor has a tap and has or is coupled to a positive-side output node and a negative side output node. The tap is coupled to receive a first current. A coarse grain capacitor array is coupled to the positive-side output node and the negative side output node and is coupled to respectively receive select signals. A varactor is coupled to the positive-side output node and the negative side output node and is coupled to receive a control voltage. The varactor includes MuGFETs. A transconductance cell is coupled to the positive-side output node and the negative side output node, and the transconductance cell has a common node. A frequency scaled resistor network is coupled to the common node and is coupled to receive the select signals for a resistance for a path for a second current.

Abstract translation: 描述了压控振荡。 在其装置中，电感器具有抽头并且具有或耦合到正侧输出节点和负侧输出节点。 抽头被耦合以接收第一电流。 粗粒电容器阵列耦合到正侧输出节点和负侧输出节点，并被耦合以分别接收选择信号。 变容二极管耦合到正侧输出节点和负侧输出节点，并耦合以接收控制电压。 变异反应器包括MuGFETs。 跨导单元耦合到正侧输出节点和负侧输出节点，并且跨导单元具有公共节点。 频率比例电阻网络耦合到公共节点，并被耦合以接收用于第二电流的路径的电阻的选择信号。

公开(公告)号：US09281826B2

公开(公告)日：2016-03-08

申请号：US14626109

申请日：2015-02-19

Applicant: Sony Corporation

Inventor： Tetsuya Fujiwara ,  Yusuke Tanaka ,  Norihito Suzuki

IPC: H03B5/12 ,  H03L7/06

CPC classification number: H03L7/06 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1243 ,  H03B5/1265 ,  H03B2200/005 ,  H03B2201/011 ,  H03B2201/0208 ,  H03B2201/0266 ,  H03J2200/10

Abstract: A circuit includes first and second capacitances arranged on a first path that connects first and second terminals; a first switch arranged between the first capacitance and the second capacitance; a second switch arranged on a second path that connects a reference voltage section and a first node formed between the first capacitance and the first switch; a third switch arranged on a third path that connects the section and a second node formed between the second capacitance and the first switch; a first resistance arranged on a fourth path that connects the first node and a third node formed between the first terminal and the first capacitance; a second resistance arranged on a fifth path that connects the second node and a fourth node formed between the second terminal and the second capacitance; a fourth switch on the fourth path; and a fifth switch on the fifth path.

Abstract translation: 电路包括布置在连接第一和第二端子的第一路径上的第一和第二电容; 布置在所述第一电容和所述第二电容之间的第一开关; 布置在连接参考电压部分和形成在第一电容和第一开关之间的第一节点的第二路径上的第二开关; 布置在连接所述部分的第三路径上的第三开关和形成在所述第二电容和所述第一开关之间的第二节点; 布置在连接所述第一节点和形成在所述第一端子和所述第一电容之间的第三节点的第四路径上的第一电阻; 布置在连接所述第二节点的第五路径上的第二电阻和形成在所述第二端子和所述第二电容之间的第四节点; 第四路上的第四个开关; 和第五路上的第五个开关。

公开(公告)号：US09281781B2

公开(公告)日：2016-03-08

申请号：US14248658

申请日：2014-04-09

Applicant: RENESAS ELECTRONICS CORPORATION

Inventor： Osamu Ozawa ,  Soshiro Nishioka

IPC: H03B5/36

CPC classification number: H03B5/364 ,  H03B5/366 ,  H03B2200/0082 ,  H03B2200/0094 ,  H03B2201/0266

Abstract: A semiconductor apparatus includes: first and second external terminals that are connected to respective both ends of an piezoelectric vibrator, in which the piezoelectric vibrator is externally disposed; an inverting amplifier that is disposed between the first and second external terminals; a feedback resistance that feeds back an output of the inverting amplifier to an input of the inverting amplifier; a first capacitative element that is disposed between the first external terminal and a reference voltage terminal; a first resistive element that is disposed in series with the first capacitative element; a second capacitative element that is disposed between the second external terminal and the reference voltage terminal; and a second resistive element that is disposed in series with the second capacitative element.

Abstract translation: 半导体装置包括：第一和第二外部端子，其连接到压电振动器的相应的两端，其中压电振动器在外部布置; 反相放大器，设置在第一和第二外部端子之间; 将反相放大器的输出反馈到反相放大器的输入的反馈电阻; 第一电容元件，设置在第一外部端子和参考电压端子之间; 与第一电容元件串联布置的第一电阻元件; 第二电容元件，设置在第二外部端子和参考电压端子之间; 以及与第二电容元件串联布置的第二电阻元件。

公开(公告)号：US20150256185A1

公开(公告)日：2015-09-10

申请号：US14626109

申请日：2015-02-19

Applicant: SONY CORPORATION

Inventor： Tetsuya Fujiwara ,  Yusuke Tanaka ,  Norihito Suzuki

IPC: H03L7/06 ,  H03K3/36

CPC classification number: H03L7/06 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1243 ,  H03B5/1265 ,  H03B2200/005 ,  H03B2201/011 ,  H03B2201/0208 ,  H03B2201/0266 ,  H03J2200/10

Abstract: A circuit includes first and second capacitances arranged on a first path that connects first and second terminals; a first switch arranged between the first capacitance and the second capacitance; a second switch arranged on a second path that connects a reference voltage section and a first node formed between the first capacitance and the first switch; a third switch arranged on a third path that connects the section and a second node formed between the second capacitance and the first switch; a first resistance arranged on a fourth path that connects the first node and a third node formed between the first terminal and the first capacitance; a second resistance arranged on a fifth path that connects the second node and a fourth node formed between the second terminal and the second capacitance; a fourth switch on the fourth path; and a fifth switch on the fifth path.

Abstract translation: 电路包括布置在连接第一和第二端子的第一路径上的第一和第二电容; 布置在所述第一电容和所述第二电容之间的第一开关; 布置在连接参考电压部分和形成在第一电容和第一开关之间的第一节点的第二路径上的第二开关; 布置在连接所述部分的第三路径上的第三开关和形成在所述第二电容和所述第一开关之间的第二节点; 布置在连接所述第一节点和形成在所述第一端子和所述第一电容之间的第三节点的第四路径上的第一电阻; 布置在连接所述第二节点的第五路径上的第二电阻和形成在所述第二端子和所述第二电容之间的第四节点; 第四路上的第四个开关; 和第五路上的第五个开关。

公开(公告)号：US09000852B1

公开(公告)日：2015-04-07

申请号：US13672338

申请日：2012-11-08

Applicant: Marvell International Ltd.

Inventor： Dennis Sinitsky ,  Junshi Qiao ,  Pei Wang ,  Song Chen ,  Haiqing Zhang ,  Tao Shui

IPC: H03B5/30 ,  H03B5/36 ,  H03L7/00

CPC classification number: H03L7/00 ,  H03B5/36 ,  H03B5/362 ,  H03B5/364 ,  H03B5/366 ,  H03B2201/0266 ,  H03B2201/0291 ,  H03L3/00

Abstract: Aspects of the disclosure provide a circuit. The circuit includes a signal amplifying circuit coupled with a crystal component of a natural frequency to form a crystal oscillator, and a signal generator circuit configured to generate a signal with an energy distribution about the natural frequency, and to provide the signal to the crystal oscillator to assist the crystal oscillator to begin oscillating.

Abstract translation: 本公开的方面提供电路。 该电路包括与固有频率的晶体分量耦合以形成晶体振荡器的信号放大电路，以及信号发生器电路，其被配置为产生具有关于固有频率的能量分布的信号，并将信号提供给晶体振荡器 以协助晶体振荡器开始振荡。

公开(公告)号：US20140184348A1

公开(公告)日：2014-07-03

申请号：US13968376

申请日：2013-08-15

Applicant: HON HAI PRECISION INDUSTRY CO., LTD. ,  HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.

Inventor： WU ZHOU ,  YANG GAO

IPC: H03L7/00

CPC classification number: H03L7/00 ,  H03B5/36 ,  H03B2201/0208 ,  H03B2201/0266 ,  H03J2200/10

Abstract: A circuit for adjusting frequency of a crystal oscillator includes a basic input output system (BIOS), a platform controller hub (PCH), a buffer, and a capacitor module with a number of capacitors. The crystal oscillator is connected to clock pins of the PCH. An input pin of the buffer is connected to the crystal oscillator. A first end of the each of the capacitors is connected to an output pin of the buffer. A second end of the each of the capacitors is grounded. The buffer includes two enable pins and a control unit controlled by the enable pins. The enable pins of the buffer receive a control signal from the PCH according to the BIOS, and control the control unit to appoint the corresponding capacitor of the capacitor module to be connected to the input pin of the buffer.

Abstract translation: 用于调整晶体振荡器频率的电路包括基本输入输出系统（BIOS），平台控制器集线器（PCH），缓冲器和具有多个电容器的电容器模块。 晶体振荡器连接到PCH的时钟引脚。 缓冲器的输入引脚连接到晶体振荡器。 每个电容器的第一端连接到缓冲器的输出引脚。 每个电容器的第二端接地。 缓冲器包括两个使能引脚和由使能引脚控制的控制单元。 缓冲器的使能引脚根据BIOS从PCH接收控制信号，并控制控制单元指定要连接到缓冲器的输入引脚的电容器模块的相应电容。

公开(公告)号：US20120286888A1

公开(公告)日：2012-11-15

申请号：US13103592

申请日：2011-05-09

Applicant: Hsieh-Hung Hsieh ,  Ming Hsien Tsai ,  Tzu-Jin Yeh ,  Chewn-Pu Jou ,  Fu-Lung Hsueh

Inventor： Hsieh-Hung Hsieh ,  Ming Hsien Tsai ,  Tzu-Jin Yeh ,  Chewn-Pu Jou ,  Fu-Lung Hsueh

IPC: H03B5/12 ,  H03H11/00

CPC classification number: H03B5/1215 ,  H03B5/1228 ,  H03B5/1243 ,  H03B5/1265 ,  H03B2201/0266

Abstract: A system comprises a voltage controlled oscillator comprising an inductor and a variable capacitor and a switched capacitor array connected in parallel with the variable capacitor. The switched capacitor array further comprises a plurality of capacitor banks wherein a thermometer code is employed to control each capacitor bank. In addition, the switched capacitor array provides N tuning steps for the oscillation frequency of the voltage controlled oscillator when the switched capacitor array is controlled by an n-bit thermometer code.

Abstract translation: 一种系统包括压控振荡器，其包括电感器和可变电容器以及与可变电容器并联连接的开关电容器阵列。 开关电容器阵列还包括多个电容器组，其中使用温度计代码来控制每个电容器组。 此外，当开关电容器阵列由n位温度计代码控制时，开关电容器阵列为压控振荡器的振荡频率提供N个调谐步骤。

公开(公告)号：US08269566B2

公开(公告)日：2012-09-18

申请号：US12906017

申请日：2010-10-15

Applicant: Parag Upadhyaya ,  Vassili Kireev

Inventor： Parag Upadhyaya ,  Vassili Kireev

IPC: H03B5/12

CPC classification number: H03B5/1228 ,  H03B5/1212 ,  H03B5/124 ,  H03B5/1262 ,  H03B5/1265 ,  H03B2201/02 ,  H03B2201/0208 ,  H03B2201/0266

Abstract: A tunable resonant circuit includes first and second capacitors that provide a matched capacitance between first and second electrodes of the first and second capacitors. A deep-well arrangement includes a first well disposed within a second well in a substrate. The first and second capacitors are each disposed on the first well. Two channel electrodes of a first transistor are respectively coupled to the second electrode of the first capacitor and the second electrode of the second capacitor. Two channel electrodes of a second transistor are respectively coupled to the second electrode of the first capacitor and to ground. Two channel electrodes of the third transistor are respectively coupled to the second electrode of the second capacitor and to ground. The gate electrodes of the first, second, and third transistors are responsive to a tuning signal, and an inductor is coupled between the first electrodes of the first and second capacitors.

Abstract translation: 可调谐谐振电路包括在第一和第二电容器的第一和第二电极之间提供匹配电容的第一和第二电容器。 深井布置包括设置在基板中的第二井内的第一井。 第一和第二电容器各自设置在第一阱上。 第一晶体管的两沟道电极分别耦合到第一电容器的第二电极和第二电容器的第二电极。 第二晶体管的两沟道电极分别耦合到第一电容器的第二电极并接地。 第三晶体管的两沟道电极分别耦合到第二电容器的第二电极并接地。 第一，第二和第三晶体管的栅电极响应于调谐信号，并且电感器耦合在第一和第二电容器的第一电极之间。

公开(公告)号：US07589598B2

公开(公告)日：2009-09-15

申请号：US11605969

申请日：2006-11-30

Applicant: Sheng Lyang Jang ,  Shao Hua Li

Inventor： Sheng Lyang Jang ,  Shao Hua Li

IPC: H03B5/12

CPC classification number: H03B5/1228 ,  H03B5/1215 ,  H03B5/1243 ,  H03B5/1262 ,  H03B2200/0048 ,  H03B2201/0266

Abstract: The present invention discloses a dual-band voltage controlled oscillator (VCO), comprising a plurality of resonant circuits; an inductor module; a plurality of switches of current source; a buffer circuit; and a output port. The dual-band voltage controlled oscillator (VCO) according to the invention uses the current source in such two VCOs with different resonant frequencies as the switch device to combine the two VCOs and uses the common inductor module for the two VCOs to save the chip size.

Abstract translation: 本发明公开了一种双频压控振荡器（VCO），包括多个谐振电路; 一个电感模块; 多个电流源开关; 一个缓冲电路; 和输出端口。 根据本发明的双频带压控振荡器（VCO）使用具有不同谐振频率的两个VCO中的电流源作为开关器件来组合两个VCO并且使用用于两个VCO的公共电感器模块来节省芯片尺寸 。