公开(公告)号：US20170359097A1

公开(公告)日：2017-12-14

申请号：US15617738

申请日：2017-06-08

Applicant: RENESAS ELECTRONICS CORPORATION

Inventor： Shinichi UCHIDA ,  Takafumi KURAMOTO

IPC: H04B1/44 ,  H01L23/522 ,  H04B5/00 ,  H01L23/58 ,  H01L49/02 ,  H01L23/528 ,  H03F3/213 ,  H01L23/552 ,  H01L27/06 ,  H03B5/12 ,  H03F3/195

CPC classification number: H04B1/44 ,  H01L23/5226 ,  H01L23/5227 ,  H01L23/528 ,  H01L23/552 ,  H01L23/585 ,  H01L27/0617 ,  H01L27/0629 ,  H01L28/10 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1243 ,  H03B2200/004 ,  H03B2200/0072 ,  H03B2201/025 ,  H03F1/565 ,  H03F3/195 ,  H03F3/213 ,  H03F3/245 ,  H03F2200/294 ,  H03F2200/451 ,  H03F2203/45731 ,  H04B5/0081

Abstract: A semiconductor device and a communication circuit capable of reducing the effect of a noise generated in an inductor are provided. A semiconductor device according to an embodiment includes a substrate, a first circuit disposed in a first area of the substrate, a second circuit disposed in a second area of the substrate, the second circuit being configured to operate selectively with the first circuit, a first inductor disposed in the second area and connected to the first circuit, and a second inductor disposed in the first area and connected to the second circuit.

公开(公告)号：US09621174B2

公开(公告)日：2017-04-11

申请号：US14709712

申请日：2015-05-12

Applicant: Intel Corporation

Inventor： Fang-Ren Liao ,  Shih-An Yu

IPC: H03L7/00 ,  H03L7/24 ,  H03B5/12 ,  H03L7/099

CPC classification number: H03L7/24 ,  H03B5/1265 ,  H03B2200/005 ,  H03B2201/011 ,  H03B2201/025 ,  H03L7/099

Abstract: A frequency calibration method for calibrating an output frequency of a voltage-controlled oscillator is provided. The voltage-controlled oscillator includes a first capacitor bank, a second capacitor bank, and a third capacitor bank. The first capacitor bank and the third capacitor bank are initially disabled and the second capacitor bank is initially enabled. The method includes, when the initial output frequency is lower than a reference frequency, adjusting the capacitance of the second capacitor bank until the calibrated output frequency is greater than the reference frequency, and when the initial output frequency is greater than the reference frequency, enabling the first capacitor bank and gradually increasing the capacitance of the first capacitor bank until the calibrated output frequency is lower than the reference frequency.

公开(公告)号：US20150015346A1

公开(公告)日：2015-01-15

申请号：US14497009

申请日：2014-09-25

Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.

Inventor： Chewn-Pu Jou ,  Feng Wei Kuo

IPC: H03J5/24

CPC classification number: H03J5/0218 ,  H03B5/08 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1265 ,  H03B2201/025 ,  H03H5/12 ,  H03J5/246 ,  H03J2200/10

Abstract: A device comprises a first variable capacitance block comprising four first capacitors, a second variable capacitance block comprising four second capacitors, wherein the second capacitors are arranged in a same configuration as the first capacitors, a third variable capacitance block comprising four third capacitors, a fourth variable capacitance block comprising four fourth capacitors, and wherein the fourth capacitors are arranged in a same configuration as the third capacitors, a first switch coupled between the first variable capacitance block and the second variable capacitance block, a second switch coupled between the third variable capacitance block and the fourth variable capacitance block, a third switch coupled between the first variable capacitance block and the fourth variable capacitance block and a fourth switch coupled between the third variable capacitance block and the second variable capacitance block.

Abstract translation: 一种装置包括：包括四个第一电容器的第一可变电容块，包括四个第二电容器的第二可变电容块，其中所述第二电容器以与所述第一电容器相同的配置布置;第三可变电容块，包括四个第三电容器，第四电容块 可变电容块包括四个第四电容器，并且其中第四电容器以与第三电容器相同的配置布置，耦合在第一可变电容块和第二可变电容块之间的第一开关，耦合在第三可变电容 块和第四可变电容块，耦合在第一可变电容块和第四可变电容块之间的第三开关和耦合在第三可变电容块和第二可变电容块之间的第四开关。

公开(公告)号：US20140049327A1

公开(公告)日：2014-02-20

申请号：US13980122

申请日：2012-01-19

Applicant: Ola Bruset ,  Tor Oyvind Vedal

Inventor： Ola Bruset ,  Tor Oyvind Vedal

IPC: H03L7/24

CPC classification number: H03L7/24 ,  G06F1/08 ,  H03B5/20 ,  H03B5/32 ,  H03B2201/025 ,  H03K5/135

Abstract: An integrated oscillator circuit comprises an oscillator configured to be switched between a first frequency and a second frequency. A switching circuit receives an input representing a target frequency and switches the oscillator between the first and second frequencies at intervals determined by the input, so as to cause the average output frequency of the oscillator to approximate the target frequency.

Abstract translation: 一种集成振荡器电路包括被配置为在第一频率和第二频率之间切换的振荡器。 切换电路接收表示目标频率的输入，并以由输入确定的间隔在第一和第二频率之间切换振荡器，以使振荡器的平均输出频率近似于目标频率。

公开(公告)号：US08525599B2

公开(公告)日：2013-09-03

申请号：US12862476

申请日：2010-08-24

Applicant: Ahmadreza Rofougaran

Inventor： Ahmadreza Rofougaran

IPC: H03B5/08

CPC classification number: H03L7/08 ,  H03B2201/025 ,  H03J2200/10 ,  H03L7/085 ,  H03L7/099 ,  H03L7/1806 ,  H03L2207/06

Abstract: Aspects of a method and system for frequency tuning based on characterization of an oscillator are provided. A value of a first control word which controls a variable impedance of an oscillator may be determined. The determined value may be mapped to a corresponding value of a second control word which controls a variable impedance of a tuned circuit. The mapping may be based on a relationship between the variable impedance of the oscillator and the variable impedance of the tuned circuit, such as logical and/or mathematical relationship. The value of the first control word may be determined based on desired frequency of the tuned circuit and/or based on a desired impedance of the variable impedance of the tuned circuit. The tuned circuit may comprise, for example, an oscillator or a filter.

Abstract translation: 提供了基于振荡器特征的用于频率调谐的方法和系统的方面。 可以确定控制振荡器的可变阻抗的第一控制字的值。 所确定的值可以映射到控制调谐电路的可变阻抗的第二控制字的对应值。 该映射可以基于振荡器的可变阻抗和调谐电路的可变阻抗之间的关系，例如逻辑和/或数学关系。 可以基于调谐电路的期望频率和/或基于所调谐电路的可变阻抗的期望阻抗来确定第一控制字的值。 调谐电路可以包括例如振荡器或滤波器。

公开(公告)号：US07893786B2

公开(公告)日：2011-02-22

申请号：US11353965

申请日：2006-02-15

Applicant: Yun-seong Eo ,  Hee-mun Bang ,  Kwang-du Lee ,  Heung-bae Lee

Inventor： Yun-seong Eo ,  Hee-mun Bang ,  Kwang-du Lee ,  Heung-bae Lee

IPC: H03B5/12

CPC classification number: H01F21/12 ,  H03B5/1203 ,  H03B5/1218 ,  H03B5/1228 ,  H03B5/1268 ,  H03B2200/0048 ,  H03B2201/0216 ,  H03B2201/025 ,  H03J5/244 ,  H03J2200/15

Abstract: An inductor circuit includes a pair of inductors connected in parallel with each other and a switch for turning on and off electric power to one of the pair of inductors. The inductance of the inductor circuit can be varied and the quality factor Q can be improved. Further, RF circuits employing the inductor circuit can generate an intended operating frequency.

Abstract translation: 电感器电路包括彼此并联连接的一对电感器和用于将电力接通和断开到该对电感器之一的开关。 可以改变电感电路的电感，提高品质因数Q。 此外，采用电感电路的RF电路可以产生预期的工作频率。

公开(公告)号：US07872541B2

公开(公告)日：2011-01-18

申请号：US12345280

申请日：2008-12-29

Applicant: Michael Shannon McCorquodale ,  Scott Michael Pernia ,  Sundus Kubba

Inventor： Michael Shannon McCorquodale ,  Scott Michael Pernia ,  Sundus Kubba

IPC: H03B5/08

CPC classification number: G06F1/04 ,  G06F1/08 ,  H03B5/06 ,  H03B5/1212 ,  H03B5/1215 ,  H03B5/1221 ,  H03B5/1228 ,  H03B5/124 ,  H03B2201/025 ,  H03J1/0008 ,  H03J2200/10 ,  H03L1/022 ,  H03L3/00 ,  H03L7/08 ,  H03L7/0812 ,  H03L7/099

Abstract: In various embodiments, the invention provides a clock generator and/or a timing and frequency reference comprising an LC oscillator with a frequency controller to control and provide a stable resonant frequency. Such stability is provided over variations in a selected parameter such as temperature and fabrication process variations. The various apparatus embodiments include a sensor to provide a signal in response to at least one parameter of a plurality of parameters; and a frequency controller to modify the resonant frequency in response to the second signal. In exemplary embodiments, the sensor is implemented as a current source responsive to temperature fluctuations, and the frequency controller is implemented as a plurality of controlled reactance modules which are selectively couplable to the oscillator or to one or more control voltages. The controlled reactance modules may include fixed or variable capacitances or inductances, and may be binary weighted. Arrays of resistive modules are also provided, to generate one or more control voltages.

Abstract translation: 在各种实施例中，本发明提供一种时钟发生器和/或定时和频率参考，其包括具有频率控制器的LC振荡器以控制和提供稳定的谐振频率。 这样的稳定​​性是在所选择的参数如温度和制造工艺变化的变化中提供的。 各种装置实施例包括传感器，以响应于多个参数的至少一个参数来提供信号; 以及频率控制器，用于响应于所述第二信号来修改所述谐振频率。 在示例性实施例中，响应于温度波动将传感器实现为电流源，并且频率控制器被实现为可选择性地耦合到振荡器或一个或多个控制电压的多个受控电抗模块。 受控电抗模块可以包括固定或可变电容或电感，并且可以是二进制加权的。 还提供了电阻模块的阵列，以产生一个或多个控制电压。

公开(公告)号：US07847613B1

公开(公告)日：2010-12-07

申请号：US12204310

申请日：2008-09-04

Applicant: Hirad Samavati

Inventor： Hirad Samavati

IPC: G06F7/44

CPC classification number: H03L7/099 ,  H03B5/1212 ,  H03B5/1228 ,  H03B5/1253 ,  H03B5/1265 ,  H03B2201/025 ,  H03J2200/10

Abstract: A variable transconductance device for a mixer apparatus is provided. The apparatus includes at least one variable current source circuit having a plurality of selectively enabled current source stages. Each of the current source stages, when enabled, is actuable to establish a conductive path between a first supply level and an output terminal. The device further includes at least one variable transconductance circuit having a plurality of selectively enabled transconductance stages. Each transconductance stage, when enabled, is actuable to establish a conductive path between a second supply level and the output terminal. An output current signal is generated at the output terminal responsive to actuation of the variable transconductance circuit by an input voltage signal, whereby the output current signal exhibits a power gain adjustably determined responsive to the numbers of current source and transconductance stages selectively enabled.

Abstract translation: 提供了一种用于混合装置的可变跨导装置。 该装置包括至少一个具有多个有选择地使能的电流源级的可变电流源电路。 当使能时，电流源级中的每一个可被致动以在第一电源电平和输出端子之间建立导电路径。 该器件还包括具有多个选择性使能的跨导级的至少一个可变跨导电路。 每个跨导级在使能时可被致动以在第二电源电平和输出端之间建立导电路径。 响应于可变跨导电路由输入电压信号的致动而在输出端产生输出电流信号，由此输出电流信号表现出响应于有选择地使能的电流源极和跨导级的数量可调节地确定的功率增益。

公开(公告)号：US07786812B2

公开(公告)日：2010-08-31

申请号：US12258216

申请日：2008-10-24

Applicant: Michael Shannon McCorquodale ,  Scott Michael Pernia ,  Sundus Kubba

Inventor： Michael Shannon McCorquodale ,  Scott Michael Pernia ,  Sundus Kubba

IPC: H03L7/06 ,  H03L1/00 ,  H03L1/02

CPC classification number: H03L1/022 ,  H03B5/06 ,  H03B5/1212 ,  H03B5/1228 ,  H03B5/124 ,  H03B2201/025 ,  H03L3/00 ,  H03L7/08 ,  H03L7/0812 ,  H03L7/099

Abstract: In various embodiments, the invention provides a frequency controller to control and provide a stable resonant frequency of a clock generator and/or a timing and frequency reference. Such stability is provided over variations in a selected parameter such as temperature and fabrication process variations. The various apparatus embodiments include a sensor adapted to provide a signal in response to at least one parameter of a plurality of parameters; and a frequency controller adapted to modify the resonant frequency in response to the second signal. In exemplary embodiments, the sensor is implemented as a current source responsive to temperature fluctuations, and the frequency controller is implemented as a plurality of controlled reactance modules which are selectively couplable to the resonator or to one or more control voltages. The controlled reactance modules may include fixed or variable capacitances or inductances, and may be binary weighted. Arrays of resistive modules are also provided, to generate one or more control voltages.

Abstract translation: 在各种实施例中，本发明提供一种频率控制器，用于控制并提供时钟发生器和/或定时和频率参考的稳定谐振频率。 这样的稳定​​性是在所选择的参数如温度和制造工艺变化的变化中提供的。 各种装置实施例包括适于响应于多个参数的至少一个参数提供信号的传感器; 以及频率控制器，其适于响应于所述第二信号来修改所述谐振频率。 在示例性实施例中，响应于温度波动将传感器实现为电流源，并且频率控制器被实现为可选择地耦合到谐振器或一个或多个控制电压的多个受控电抗模块。 受控电抗模块可以包括固定或可变电容或电感，并且可以是二进制加权的。 还提供了电阻模块的阵列，以产生一个或多个控制电压。

公开(公告)号：US07656244B2

公开(公告)日：2010-02-02

申请号：US12036165

申请日：2008-02-22

Applicant: Michael Shannon McCorquodale ,  Scott Michael Pernia ,  Sundus Kubba ,  Justin O'Day ,  Gordon Carichner

Inventor： Michael Shannon McCorquodale ,  Scott Michael Pernia ,  Sundus Kubba ,  Justin O'Day ,  Gordon Carichner

IPC: H03B5/12

CPC classification number: G06F1/04 ,  G06F1/08 ,  H03B5/06 ,  H03B5/1212 ,  H03B5/1215 ,  H03B5/1221 ,  H03B5/124 ,  H03B2201/025 ,  H03J1/0008 ,  H03J2200/10 ,  H03L1/00 ,  H03L1/02 ,  H03L1/022 ,  H03L1/025 ,  H03L3/00 ,  H03L7/08 ,  H03L7/0812 ,  H03L7/099 ,  H03L7/183 ,  H03L2207/50

Abstract: In various embodiments, the invention provides a discrete clock generator and/or a timing and frequency reference using an LC-oscillator topology, having a frequency controller to control and provide a stable resonant frequency, which may then be provided to other, second circuitry such as a processor or controller. Frequency stability is provided over variations in a selected parameter such as temperature and fabrication process variations. The various apparatus embodiments include a sensor adapted to provide a signal in response to at least one parameter of a plurality of parameters; and a frequency controller adapted to modify the resonant frequency in response to the second signal. In exemplary embodiments, the sensor is implemented as a current source responsive to temperature fluctuations, and the frequency controller is implemented as a plurality of controlled reactance modules which are selectively couplable to the resonator or to one or more control voltages. The controlled reactance modules may include fixed or variable capacitances or inductances, and may be binary weighted. Arrays of resistive modules are also provided, to generate one or more control voltages.

Abstract translation: 在各种实施例中，本发明提供使用LC振荡器拓扑的离散时钟发生器和/或定时和频率参考，其具有频率控制器来控制和提供稳定的谐振频率，然后可以将其提供给其它第二电路，例如 作为处理器或控制器。 提供了频率稳定性，如选择的参数（如温度和制造工艺变化）的变化。 各种装置实施例包括适于响应于多个参数的至少一个参数提供信号的传感器; 以及频率控制器，其适于响应于所述第二信号来修改所述谐振频率。 在示例性实施例中，响应于温度波动将传感器实现为电流源，并且频率控制器被实现为可选择地耦合到谐振器或一个或多个控制电压的多个受控电抗模块。 受控电抗模块可以包括固定或可变电容或电感，并且可以是二进制加权的。 还提供了电阻模块的阵列，以产生一个或多个控制电压。