公开(公告)号：US20190028059A1

公开(公告)日：2019-01-24

申请号：US15656517

申请日：2017-07-21

Applicant: Oracle International Corporation

Inventor： Phillip Kwan ,  Xiaolei Li ,  Frankie Y. Liu ,  Ziad Shehadeh

IPC: H03B5/12 ,  H03L7/093 ,  H02M3/07

CPC classification number: H03B5/1296 ,  H02M3/07 ,  H03B5/1243 ,  H03B5/1256 ,  H03B2200/0038 ,  H03B2200/004 ,  H03B2201/0208 ,  H03B2201/0216 ,  H03L7/08 ,  H03L7/093

Abstract: A voltage-controlled oscillator (VCO) having an LC tank circuit with a variable inductance is disclosed. In one embodiment, the VCO includes a capacitance, at least a portion of which is variable and responsive to a first tuning voltage. The VCO further includes a transformer having first (primary) and second (secondary) windings. The primary winding is coupled to the capacitance, and provides the inductance of the LC tank circuit. The secondary winding is coupled to a current control circuit. The current control circuit may vary the induced current through the secondary winding. By varying the induced current through the secondary winding, the effective inductance of the primary winding may also be varied. Accordingly, the VCO may be tuned by varying the inductance of the LC tank circuit, as well as by varying the capacitance of the same.

公开(公告)号：US20090289731A1

公开(公告)日：2009-11-26

申请号：US12421287

申请日：2009-04-09

Applicant: TAI YUEN YANG

Inventor： TAI YUEN YANG

IPC: H03B5/18 ,  H01P3/08

CPC classification number: H01P7/005 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1268 ,  H03B2200/0048 ,  H03B2201/0216

Abstract: A resonator circuit applied to a voltage-controlled oscillator comprises a switch and a wiring inductance. The switch is connected to a first node and a third node. The wiring inductance has multiple circles, and circles a center from an outermost node to an innermost node through an intermediate node. The outermost node is connected to the first node, the intermediate node is connected to the third node, and the innermost node is connected to the second node.

Abstract translation: 应用于压控振荡器的谐振电路包括开关和布线电感。 交换机连接到第一节点和第三节点。 布线电感具有多个圆，并且通过中间节点将中心从最外面的节点环绕到最内部的节点。 最外层节点连接到第一节点，中间节点连接到第三节点，最内层节点连接到第二节点。

公开(公告)号：US07583156B2

公开(公告)日：2009-09-01

申请号：US11801716

申请日：2007-05-10

Applicant: Chih-Ming Hung ,  Nathen Barton

Inventor： Chih-Ming Hung ,  Nathen Barton

IPC: H03B5/08

CPC classification number: G06F17/5063 ,  H03B5/1215 ,  H03B5/1225 ,  H03B5/1228 ,  H03B5/1231 ,  H03B5/124 ,  H03B5/1265 ,  H03B5/1268 ,  H03B5/1296 ,  H03B2201/0216

Abstract: System and method for increasing the frequency tuning range of a RF/microwave LC oscillator. An electronic communications device includes a controller to regulate the operation of the electronic communications device, a modem coupled to the controller, a radio frequency unit coupled to the controller and to the modem, an oscillator coupled to the controller and to the radio frequency unit, and an amplifier coupled to the radio frequency unit. The oscillator produces a timing and reference signal for the radio frequency unit based on control information from the controller. The oscillator includes a multi-tap inductor that may controllably alter its effective inductance to change the timing and reference signal provided to the radio frequency unit.

Abstract translation: 用于增加RF /微波LC振荡器的频率调谐范围的系统和方法。 电子通信设备包括：控制器，用于调节电子通信设备的操作;耦合到控制器的调制解调器，耦合到控制器和调制解调器的射频单元，耦合到控制器和射频单元的振荡器， 以及耦合到射频单元的放大器。 振荡器基于来自控制器的控制信息产生用于射频单元的定时和参考信号。 振荡器包括可以可控地改变其有效电感以改变提供给射频单元的定时和参考信号的多抽头电感器。

公开(公告)号：US20060097811A1

公开(公告)日：2006-05-11

申请号：US11268643

申请日：2005-11-08

Applicant: Takahiro Nakamura ,  Toru Masuda

Inventor： Takahiro Nakamura ,  Toru Masuda

IPC: H03B5/08

CPC classification number: H03B5/1228 ,  H03B5/1218 ,  H03B5/1231 ,  H03B5/1243 ,  H03B5/1253 ,  H03B5/1256 ,  H03B5/1293 ,  H03B5/1296 ,  H03B2201/0208 ,  H03B2201/0216 ,  H03H5/12 ,  H03J2200/10

Abstract: There are provided a variable inductor with little degradation in quality factor, and an oscillator and a communication system using the variable inductor. An inductance controller comprising a reactance device with a variable device value, such as, for example, a variable capacitor, is connected to a secondary inductor, magnetically coupled to a primary inductor through mutual inductance. The inductance controller is provided with an inductance control terminal for receiving a control signal for controlling capacitance of the variable capacitor. Inductance of the primary inductor is varied by varying the capacitance by the control signal.

公开(公告)号：US06232847B1

公开(公告)日：2001-05-15

申请号：US09086181

申请日：1998-05-28

Applicant: Henry O. Marcy, 5th ,  Kenneth D. Pedrotti ,  David R. Pehlke ,  Charles W. Seabury ,  Jun J. Yao ,  James L. Bartlett ,  Mau Chung F. Chang ,  Deepak Mehrotra ,  J. L. Julian Tham

Inventor： Henry O. Marcy, 5th ,  Kenneth D. Pedrotti ,  David R. Pehlke ,  Charles W. Seabury ,  Jun J. Yao ,  James L. Bartlett ,  Mau Chung F. Chang ,  Deepak Mehrotra ,  J. L. Julian Tham

IPC: H03J320

CPC classification number: H01H59/0009 ,  H01G5/18 ,  H01H2001/0084 ,  H03B2201/0208 ,  H03B2201/0216 ,  H03B2201/025 ,  H03J2200/10

Abstract: A high-Q precision integrated reversibly trimmable singleband oscillator and tunable multiband oscillator are presented that overcome the problems laser trimming and solid state switches. This is accomplished using micro-electromechanical system (MEMS) technology to integrate an amplifier and its tunable LC network on a common substrate. The LC network can be configured to provide a very narrow bandwidth frequency response which peaks at one or more very specific predetermined frequencies without de-Qing the oscillator.

Abstract translation: 提出了高Q精密集成可逆微调单频振荡器和可调谐多频振荡器，克服了激光微调和固态开关的问题。 这是通过使用微机电系统（MEMS）技术来实现的，以将放大器及其可调谐LC网络集成在公共基板上。 LC网络可以被配置为提供非常窄的带宽频率响应，其在一个或多个非常特定的预定频率处达到峰值，而没有去清振荡器。

公开(公告)号：US5912596A

公开(公告)日：1999-06-15

申请号：US13280

申请日：1998-01-26

Applicant: Uttam Shymalindu Ghoshal

Inventor： Uttam Shymalindu Ghoshal

IPC: H03B1/00 ,  H03B5/12 ,  H03B27/00 ,  H03K3/03 ,  H03K3/354 ,  H03B5/02

CPC classification number: H03K3/354 ,  H03B5/1215 ,  H03B5/1225 ,  H03B5/1228 ,  H03B5/1243 ,  H03B5/1293 ,  H03B5/1296 ,  H03K3/0322 ,  H03B2200/0078 ,  H03B2200/0098 ,  H03B2201/0208 ,  H03B2201/0216 ,  H03B27/00

Abstract: A method and system in an integrated circuit for frequency tuning oscillator circuits. An oscillator circuit within an integrated circuit is formed on a substrate such that the oscillator circuit is coupled to an inductor component. The inductor component includes a first inductor positioned parallel to a second inductor such that a total effective inductance is associated with the first and second inductors. The first inductor is formed from a first spiral coil layer which is coupled to a second spiral coil layer on the substrate. The second inductor is formed of a single spiral coil layer on the substrate, wherein the single spiral coil layer provides an inductive feedback signal to the oscillator circuit when electrical current flows through the single spiral coil layer in response to current flowing through the first spiral coil layer and the second spiral coil layer. The feedback signal can be adjusted such that a change in a phase associated with the feedback signal results in an alteration of the total effective inductance, which in turn shifts a center frequency associated with the oscillator circuit thereby promoting frequency tuning of the oscillator circuit over a wide tuning range. In addition, a capacitor component can be connected to the oscillator circuit such that the capacitor component includes two series connected capacitors which have an associated effective capacitance. A change in the effective capacitance also results in a shift in the center frequency.

Abstract translation: 用于频率调谐振荡器电路的集成电路中的方法和系统。 集成电路中的振荡器电路形成在衬底上，使得振荡器电路耦合到电感器部件。 电感器部件包括平行于第二电感器定位的第一电感器，使得总有效电感与第一和第二电感器相关联。 第一电感器由耦合到衬底上的第二螺旋线圈层的第一螺旋线圈层形成。 第二电感器由衬底上的单个螺旋线圈层形成，其中当电流响应于电流流过第一螺旋线圈的电流流过单个螺旋线圈层时，单个螺旋线圈层向振荡器电路提供感应反馈信号 层和第二螺旋线圈层。 可以调整反馈信号，使得与反馈信号相关联的相位的变化导致总有效电感的改变，该总有效电感又移动与振荡器电路相关联的中心频率，从而促进振荡器电路的频率调谐 宽调谐范围。 此外，电容器部件可以连接到振荡器电路，使得电容器部件包括具有相关联的有效电容的两个串联的电容器。 有效电容的变化也导致中心频率的偏移。

公开(公告)号：US5483207A

公开(公告)日：1996-01-09

申请号：US367525

申请日：1994-12-30

Applicant: Thaddeus J. Gabara

Inventor： Thaddeus J. Gabara

IPC: H01L27/06 ,  H03B1/00 ,  H03B5/12 ,  H01L27/04

CPC classification number: H01L27/0688 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1256 ,  H01F2021/125 ,  H03B2201/0216 ,  Y10S331/03

Abstract: High-frequency, low-power CMOS oscillators having electrically-tunable tank circuits are disclosed. Electrically-tunable inductors assure highly efficient oscillator operation and can be adjusted after manufacture to assure high yields of high-precision oscillator circuits.

Abstract translation: 公开了具有电可调谐电路的高频，低功率CMOS振荡器。 电可调电感器可确保高效率的振荡器运行，并可在制造后进行调整，以确保高精度的高精度振荡电路。

公开(公告)号：US09998073B2

公开(公告)日：2018-06-12

申请号：US14791621

申请日：2015-07-06

Applicant: International Business Machines Corporation

Inventor： Mark A. Ferriss ,  Daniel J. Friedman ,  Bodhisatwa Sadhu ,  Alberto Valdes-Garcia

IPC: H01L27/108 ,  H03B7/06 ,  H03J3/18 ,  H03J3/20 ,  H03J3/22 ,  H03B5/12 ,  H03J5/02 ,  H03L7/099

CPC classification number: H03B7/06 ,  H03B5/1206 ,  H03B5/1215 ,  H03B5/1225 ,  H03B5/1228 ,  H03B5/124 ,  H03B5/1243 ,  H03B5/1265 ,  H03B2200/004 ,  H03B2200/009 ,  H03B2201/0216 ,  H03J3/185 ,  H03J3/20 ,  H03J3/22 ,  H03J5/0218 ,  H03J2200/10 ,  H03L7/099 ,  H03L7/0991

Abstract: A voltage controlled oscillator comprises a negative resistance, a first inductor, a fixed capacitor, and a frequency control component. The frequency control component comprises at least one varactor and at least a second inductor connected in series with the at least one varactor. A magnitude of an inductance of the second inductor is selected such that the frequency control component has an effective capacitance range larger than a capacitance range of the at least one varactor.

公开(公告)号：US08063712B2

公开(公告)日：2011-11-22

申请号：US12397060

申请日：2009-03-03

Applicant: Ahmadreza Rofougaran ,  Maryam Rofougaran

Inventor： Ahmadreza Rofougaran ,  Maryam Rofougaran

IPC: G01D5/20 ,  H03B5/12

CPC classification number: H01L23/49822 ,  H01L23/66 ,  H01L2223/6677 ,  H01L2224/16225 ,  H01L2224/16227 ,  H01L2224/73204 ,  H01L2924/00014 ,  H01L2924/15321 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1243 ,  H03B5/1268 ,  H03B5/1296 ,  H03B2200/0048 ,  H03B2201/0208 ,  H03B2201/0216 ,  H03L7/085 ,  H03L7/099 ,  H03L7/1806 ,  H01L2224/0401

Abstract: Methods and systems for VCO impedance control to optimize performance, efficiency, and power consumption are disclosed and may include selectively coupling one of a plurality of taps on a multi-tap inductive load to a voltage controlled oscillator (VCO) on a chip comprising a plurality of transmitters and receivers. The multi-tap inductive load may comprise a multi-tap transformer or transmission line, which may be integrated on the chip, or may be integrated on a package to which the chip is coupled. A voltage swing at an output of the VCO and/or a current in the VCO may be adjusted by configuring a load of the VCO utilizing the multi-tap inductive load. The multi-tap inductive load may be coupled to the VCO utilizing one or more CMOS switches.

Abstract translation: 公开了用于优化性能，效率和功率消耗的VCO阻抗控制的方法和系统，并且可以包括选择性地将多抽头电感性负载上的多个抽头之一耦合到包括多个电感的芯片上的压控振荡器（VCO） 的发射机和接收机。 多抽头电感负载可以包括可以集成在芯片上的多抽头变压器或传输线，或者可以集成在芯片耦合到的封装上。 可以通过利用多抽头电感负载来配置VCO的负载来调整VCO的输出端和/或VCO中的电流的电压摆幅。 多抽头电感负载可以利用一个或多个CMOS开关耦合到VCO。

公开(公告)号：US08044732B2

公开(公告)日：2011-10-25

申请号：US12369021

申请日：2009-02-11

Applicant: Marcel A. Kossel ,  Thomas E. Morf ,  Martin Leo Schmatz ,  Jonas R. Weiss

Inventor： Marcel A. Kossel ,  Thomas E. Morf ,  Martin Leo Schmatz ,  Jonas R. Weiss

IPC: H03B5/12

CPC classification number: H03B5/1228 ,  H03B5/1215 ,  H03B5/1243 ,  H03B5/1256 ,  H03B5/1287 ,  H03B5/1296 ,  H03B2201/0216

Abstract: A continuously tunable inductor with an inductive-capacitive (LC) voltage controlled oscillator (VCO) having a primary coil. The inductor includes a separate isolated secondary coil, a set of transistors composing a closed loop with the secondary coil, a magnetic coupling between the primary coil of the LC VCO and the secondary coil, an electrical coupling between the LC VCO and the set of transistors composing a closed loop with the secondary coil, and means for electric current injection into the closed loop. Such an inductor can be tuned by modulating a mutual inductance, which is magnetically and electrically coupled with the LC VCO by injection of an electric current (I0).

Abstract translation: 具有电感电容（LC）压控振荡器（VCO）的连续可调电感器，具有初级线圈。 电感器包括单独的隔离次级线圈，构成与次级线圈的闭环的一组晶体管，LC VCO的初级线圈与次级线圈之间的磁耦合，LC VCO与该组晶体管之间的电耦合 与次级线圈组成闭环，以及将电流注入闭环的装置。 可以通过调制通过注入电流（I0）与LC VCO磁耦合和电耦合的互感来调谐这种电感器。