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1. 发明授权

US11742812B2 Output pole-compensated operational amplifier 有权
公开(公告)号：US11742812B2
公开(公告)日：2023-08-29
申请号：US17242971
申请日：2021-04-28
申请人： TEXAS INSTRUMENTS INCORPORATED
发明人： Aniruddha Roy , Saurabh Pandey
IPC分类号： H03F3/45 , H03F3/68
CPC分类号： H03F3/45246 , H03F3/68 , H03F2203/45288 , H03F2203/45344 , H03F2203/45356 , H03F2203/45374
摘要： A circuit includes a first transconductance stage having an output. The circuit further includes an output transconductance stage, and a first source-degenerated transistor having a first control input and first and second current terminals. The first control input is coupled to the output of the first transconductance stage. The circuit also includes a second transistor having a second control input and third and fourth current terminals. The third current terminal is coupled to the second current terminal and to the output transconductance stage.

2. 发明授权

US09843297B2 Balanced differential transimpedance amplifier with single ended input and balancing method 有权
公开(公告)号：US09843297B2
公开(公告)日：2017-12-12
申请号：US14814080
申请日：2015-07-30
申请人： COSEMI TECHNOLOGIES, INC.
发明人： Robert Monroe Smith , Charles Phillip McClay
IPC分类号： H03F3/45 , H03F3/08 , H03F1/56 , H03F1/02 , H03F1/08
CPC分类号： H03F1/56 , H03F1/0205 , H03F1/083 , H03F3/08 , H03F3/45076 , H03F3/45085 , H03F3/45183 , H03F3/45475 , H03F3/45605 , H03F3/45609 , H03F3/45618 , H03F3/45753 , H03F3/45757 , H03F3/45766 , H03F3/45977 , H03F3/45982 , H03F3/45991 , H03F2200/135 , H03F2200/18 , H03F2200/222 , H03F2200/228 , H03F2200/36 , H03F2200/393 , H03F2200/453 , H03F2200/456 , H03F2200/462 , H03F2200/471 , H03F2200/474 , H03F2200/72 , H03F2200/75 , H03F2203/45036 , H03F2203/45051 , H03F2203/45114 , H03F2203/45116 , H03F2203/45138 , H03F2203/45146 , H03F2203/45152 , H03F2203/45154 , H03F2203/45166 , H03F2203/45202 , H03F2203/45208 , H03F2203/45221 , H03F2203/45276 , H03F2203/45336 , H03F2203/45374 , H03F2203/45398 , H03F2203/45528 , H03F2203/45541 , H03F2203/45556 , H03F2203/45564 , H03F2203/45566 , H03F2203/45592 , H03F2203/45594 , H03F2203/45652 , H03F2203/45682 , H03F2203/45702
摘要： A balanced differential transimpedance amplifier with a single-ended input operational over a wide variation in the dynamic range of input signals. A threshold circuit is employed to either or a combination of (1) generate a varying decision threshold to ensure a proper slicing over a wide range of input current signal levels; and (2) generate a bias current and voltage applied to an input of a transimpedance stage to cancel out a dependence of the transimpedance stage voltage input on input current signal levels.

3. 发明申请

US20170063348A1 PROGRAMMABLE RESISTIVE ELEMENTS AS VARIABLE TUNING ELEMENTS 有权
标题翻译：可编程电阻元件作为可变调谐元件
公开(公告)号：US20170063348A1
公开(公告)日：2017-03-02
申请号：US15340729
申请日：2016-11-01
申请人： FREESCALE SEMICONDUCTOR, INC.
发明人： Michael A. SADD, III , Anirban ROY
IPC分类号： H03J5/02 , H01L23/532 , H01L27/06 , H01L23/528 , H01L23/522 , H01L23/525
CPC分类号： H03J5/02 , G02F2203/48 , G11C5/147 , G11C29/021 , G11C29/28 , G11C29/50008 , H01L23/5228 , H01L23/525 , H01L23/528 , H01L23/53271 , H01L27/0629 , H03F3/45183 , H03F2203/45048 , H03F2203/45372 , H03F2203/45374 , H03F2203/45396 , H03F2203/45674 , H03F2203/45686 , H03F2203/45702 , H03F2203/45726 , H03K19/00369
摘要： The present disclosure provides circuit and method embodiments for calibrating a signal of an integrated circuit. A programmable resistive element is coupled in series with a node of the integrated circuit, where at least part of the integrated circuit is formed in at least one front end of line (FEOL) device level. The programmable resistive element is formed in at least one back end of line (BEOL) wiring level, and the programmable resistive element is in a non-volatile resistive state that is variable across a plurality of non-volatile resistive states in response to a program signal applied to the programmable resistive element.
摘要翻译：本公开提供了用于校准集成电路的信号的电路和方法实施例。可编程电阻元件与集成电路的节点串联耦合，其中集成电路的至少一部分形成在至少一个前端（FEOL）器件级中。可编程电阻元件形成在线路（BEOL）布线级中的至少一个后端，并且可编程电阻元件处于非易失性电阻状态，其响应于程序在多个非易失性电阻状态下变化信号施加到可编程电阻元件。

4. 发明申请

US20160294336A1 BALANCED DIFFERENTIAL TRANSIMPEDANCE AMPLIFIER WITH SINGLE ENDED INPUT AND BALANCING METHOD 有权
标题翻译：具有单端输入和平衡方法的平衡差分放大器
公开(公告)号：US20160294336A1
公开(公告)日：2016-10-06
申请号：US14814080
申请日：2015-07-30
申请人： TYCO ELECTRONICS CORPORATION
发明人： ROBERT MONROE SMITH , CHARLES PHILLIP MCCLAY
IPC分类号： H03F1/56 , H03F3/08 , H03F3/45 , H03F1/02
CPC分类号： H03F1/56 , H03F1/0205 , H03F1/083 , H03F3/08 , H03F3/45076 , H03F3/45085 , H03F3/45183 , H03F3/45475 , H03F3/45605 , H03F3/45609 , H03F3/45618 , H03F3/45753 , H03F3/45757 , H03F3/45766 , H03F3/45977 , H03F3/45982 , H03F3/45991 , H03F2200/135 , H03F2200/18 , H03F2200/222 , H03F2200/228 , H03F2200/36 , H03F2200/393 , H03F2200/453 , H03F2200/456 , H03F2200/462 , H03F2200/471 , H03F2200/474 , H03F2200/72 , H03F2200/75 , H03F2203/45036 , H03F2203/45051 , H03F2203/45114 , H03F2203/45116 , H03F2203/45138 , H03F2203/45146 , H03F2203/45152 , H03F2203/45154 , H03F2203/45166 , H03F2203/45202 , H03F2203/45208 , H03F2203/45221 , H03F2203/45276 , H03F2203/45336 , H03F2203/45374 , H03F2203/45398 , H03F2203/45528 , H03F2203/45541 , H03F2203/45556 , H03F2203/45564 , H03F2203/45566 , H03F2203/45592 , H03F2203/45594 , H03F2203/45652 , H03F2203/45682 , H03F2203/45702
摘要： A balanced differential transimpedance amplifier with a single-ended input operational over a wide variation in the dynamic range of input signals. A threshold circuit is employed to either or a combination of (1) generate a varying decision threshold to ensure a proper slicing over a wide range of input current signal levels; and (2) generate a bias current and voltage applied to an input of a transimpedance stage to cancel out a dependence of the transimpedance stage voltage input on input current signal levels.
摘要翻译：平衡差分跨阻放大器，具有单端输入，可在输入信号的动态范围内进行广泛的变化。阈值电路被采用或（或）组合（1）产生变化的判定阈值以确保在宽范围的输入电流信号电平上的适当的分片; 并且（2）产生施加到跨阻抗级的输入的偏置电流和电压，以消除跨导级电压输入对输入电流信号电平的依赖性。

5. 发明授权

US09288574B2 Circuit for use with a loudspeaker for portable equipments 有权
公开(公告)号：US09288574B2
公开(公告)日：2016-03-15
申请号：US14374929
申请日：2013-02-11
申请人： ST-Ericsson SA
发明人： Sergio Pernici , Germano Nicollini
IPC分类号： H03F99/00 , H04R3/00 , H03F3/185 , H03F3/45
CPC分类号： H04R3/00 , H03F3/1855 , H03F3/45183 , H03F3/45511 , H03F2200/03 , H03F2200/481 , H03F2203/45374 , H03F2203/45418 , H04R3/002
摘要： The invention relates to a circuit (100) for use with a loudspeaker (104) having a first differential input terminal (t1) and a second differential input terminal (t2), the circuit (100) comprising: a differential power amplifier (103) having a first differential output terminal (t3) operatively connected to the first differential input terminal (t1) of the loudspeaker (104) and a second differential output terminal (t4) operatively connected to the second differential input terminal (t2) of the loudspeaker (104);—a first resistor (RS1) disposed between the first differential output terminal (t3) of the differential power amplifier (103) and the first differential input terminal (t1) of the loudspeaker (104); a second resistor (RS2) disposed between the second differential output terminal (t4) of the differential power amplifier (103) and the second differential input terminal (t2) of the loudspeaker (104). The circuit (100) further comprises: a first resistive module (RR1, RR2) arranged to generate on a respective output terminal (t5) a first control voltage (VIN), the first resistive module (RR1, RR2) having a first input terminal (t6) connected to the first differential output terminal (t3) of the power amplifier (103) and a second input terminal (t7) connected to the second differential input terminal (t2) of the loudspeaker (104), a second resistive module (RR3, RR4) arranged to generate on a respective output terminal (t8) a second control voltage (VIP), the second resistive module (RR3, RR4) having a first input terminal (t9) connected to the second differential output terminal (t4) of the power amplifier (103) and a second input terminal (t10) connected to the first differential input terminal (t1) of the loudspeaker (104). The loudspeaker circuit (100) being arranged to control the differential power amplifier (103) on the basis of the first control voltage (VIN) and the second control voltage (VIP).

6. 发明授权

US08907722B2 Traveling wave amplifier with suppressed jitter 有权
标题翻译：具有抑制抖动的行波放大器
公开(公告)号：US08907722B2
公开(公告)日：2014-12-09
申请号：US13895920
申请日：2013-05-16
申请人： Sumitomo Electric Industries, Ltd.
发明人： Taizo Tatsumi , Keiji Tanaka , Sosaku Sawada
IPC分类号： H03F3/68
CPC分类号： H03F3/45076 , H03F3/45085 , H03F3/45475 , H03F3/605 , H03F2203/45331 , H03F2203/45374 , H03F2203/45396 , H03F2203/45612
摘要： A traveling wave amplifier (TWA) with suppressed jitter is disclosed. The TWA includes a plurality of unit amplifiers with the differential arrangement comprised of a pair of transistors and a cascade transistors connected in series to the switching transistors. The unit amplifiers further includes current sources to provide idle currents to the cascade transistors. Even when the switching transistors fully turn off, the idle currents are provided to the cascade transistors, which set the operating point of the cascade transistor in a region where an increase of the base-emitter resistance is suppressed.
摘要翻译：公开了一种抑制抖动的行波放大器（TWA）。 TWA包括多个单元放大器，其差分布置包括一对晶体管和与开关晶体管串联连接的级联晶体管。单元放大器还包括用于向级联晶体管提供空闲电流的电流源。即使当开关晶体管完全关断时，空闲电流被提供给级联晶体管，其将级联晶体管的工作点设置在抑制基极 - 发射极电阻增加的区域中。

7. 发明申请

US20130314156A1 Variable Gain Amplifier 有权
标题翻译：可变增益放大器
公开(公告)号：US20130314156A1
公开(公告)日：2013-11-28
申请号：US13477926
申请日：2012-05-22
申请人： SHUO-CHUN KAO , NIKOLA NEDOVIC
发明人： SHUO-CHUN KAO , NIKOLA NEDOVIC
IPC分类号： H03G3/30 , H03F3/45
CPC分类号： H03G3/00 , H03F3/45 , H03F3/45071 , H03F3/45183 , H03F3/45197 , H03F3/45206 , H03F2203/45008 , H03F2203/45372 , H03F2203/45374 , H03F2203/45562 , H03F2203/45644 , H03F2203/45702 , H03G1/0029
摘要： A method may include applying an input differential voltage to input terminals of an amplifier, a first input terminal coupled to a gate of a first transistor and a second input terminal coupled to a gate of a second transistor. The method may also include varying a gain of the amplifier by varying at least one of: a resistance of a first resistor, the first resistor coupled between a source of the first transistor and a source of the second transistor; and a resistance of a second resistor, the second resistor coupled between a source of a third transistor and a source of a fourth transistor; wherein: the third transistor is coupled at its drain to the drain of the first transistor; and the fourth transistor is coupled at its drain to the drain of the second transistor and a gate of the third transistor and coupled at its gate to the drain of the third transistor.
摘要翻译：方法可以包括将输入差分电压施加到放大器的输入端，耦合到第一晶体管的栅极的第一输入端和耦合到第二晶体管的栅极的第二输入端。该方法还可以包括通过改变以下至少一个来改变放大器的增益：第一电阻器的电阻，耦合在第一晶体管的源极和第二晶体管的源极之间的第一电阻器; 以及第二电阻器的电阻，所述第二电阻器耦合在第三晶体管的源极和第四晶体管的源极之间; 其中：所述第三晶体管在其漏极耦合到所述第一晶体管的漏极; 并且第四晶体管在其漏极耦合到第二晶体管的漏极和第三晶体管的栅极，并在其栅极处耦合到第三晶体管的漏极。

8. 发明申请

US20120307122A1 LOW COMMON MODE DRIVER 有权
标题翻译：低通用模式驱动器
公开(公告)号：US20120307122A1
公开(公告)日：2012-12-06
申请号：US13154302
申请日：2011-06-06
申请人： Min Liu , Xin Wang , Charles Qingle Wu
发明人： Min Liu , Xin Wang , Charles Qingle Wu
IPC分类号： H04L25/49 , H04N3/10
CPC分类号： H03F3/45237 , G05F1/56 , H03F3/45654 , H03F2200/411 , H03F2200/453 , H03F2200/555 , H03F2203/45112 , H03F2203/45154 , H03F2203/45292 , H03F2203/45352 , H03F2203/45374 , H03F2203/45418 , H03K19/018528 , H04L25/0276
摘要： Techniques to provide a replica bias circuit for a high speed and low voltage common mode driver. In an embodiment, a pre-driver is coupled to provide driver input voltages to the driver, which driver includes a set of circuit elements coupled to provide, based on the driver input voltages, an output signal of a differential output. In another embodiment, a regulator circuit is coupled to provide regulated power to the pre-driver and driver, where the regulator circuit includes a scale replica circuit having a replica of the first set of circuit elements.
摘要翻译：为高速和低压共模驱动器提供复制偏置电路的技术。在一个实施例中，预驱动器被耦合以向驱动器提供驱动器输入电压，该驱动器包括一组电路元件，其被耦合以基于驱动器输入电压提供差分输出的输出信号。在另一个实施例中，调节器电路被耦合以向预驱动器和驱动器提供调节功率，其中调节器电路包括具有第一组电路元件的复制品的标度复制电路。

9. 发明申请

US20120139634A1 CIRCUITRY INCLUDING MATCHED TRANSISTOR PAIRS 有权
标题翻译：电路包括匹配的晶体管对
公开(公告)号：US20120139634A1
公开(公告)日：2012-06-07
申请号：US12959319
申请日：2010-12-02
申请人： Kwok-Fu Chiu , Yih-Chyi Chong , Michael E. Haslam
发明人： Kwok-Fu Chiu , Yih-Chyi Chong , Michael E. Haslam
IPC分类号： H03F3/45
CPC分类号： H03F3/45085 , H01L27/0207 , H01L27/0823 , H01L29/0804 , H01L29/41708 , H01L29/7322 , H03F3/45098 , H03F2203/45374 , H03F2203/45528 , H03F2203/45586 , H03F2203/45588
摘要： Matched bipolar transistor pairs for use in differential transistor pair circuitry, current mirror transistor pair circuitry and voltage reference transistor pair circuitry are disclosed. Each transistor in the pair includes a base, emitter and a collector region and a doped polysilicon emitter contact, a metal emitter contact and an metal emitter interconnect which makes an electrical connection to the emitter region by way of the metal emitter contact and the polysilicon emitter contact. The metal emitter interconnect is displaced latterly away from the emitter region so that no part of the metal emitter interconnect overlies any portion of the emitter region.
摘要翻译：公开了用于差分晶体管对电路的匹配双极晶体管对，电流镜晶体管对电路和参考晶体管对电路。该对中的每个晶体管包括基极，发射极和集电极区以及掺杂多晶硅发射极接触，金属发射极接触和金属发射极互连，其通过金属发射极接触和多晶硅发射极与发射极区电连接联系。金属发射器互连件稍后偏离发射极区域，使得金属发射器互连部分的任何部分都不覆盖发射极区域的任何部分。

10. 发明申请

US20090295476A1 FULLY DIFFERENTIAL DC OFFSET DEVICE CIRCUIT 审中-公开
标题翻译：全差分直流偏移设备电路
公开(公告)号：US20090295476A1
公开(公告)日：2009-12-03
申请号：US12469110
申请日：2009-05-20
申请人： Tsong-Chi HUANG
发明人： Tsong-Chi HUANG
IPC分类号： H03F3/45
CPC分类号： H03F3/4508 , H03F3/45475 , H03F2200/54 , H03F2203/45134 , H03F2203/45374 , H03F2203/45512 , H03F2203/45612
摘要： A fully differential DC offset device circuit utilized in a high-pass filter is provided. The fully differential DC offset device circuit includes a first amplifying circuit, a second amplifying circuit and a Miller capacitor. The first amplifying circuit includes a first transistor and a second transistor, wherein a base of the first transistor is electrically connected to a base of the second transistor. The second amplifying circuit includes a third transistor and a fourth transistor, wherein a base of the third transistor is electrically connected to a base of the fourth transistor. The Miller capacitor includes an amplifier, wherein a first input terminal of the amplifier is electrically connected to the base of the second transistor of the first amplifying circuit, and a second input terminal of the amplifier is electrically connected to the base of the third transistor of the second amplifying circuit.
摘要翻译：提供了在高通滤波器中使用的全差分DC偏移器件电路。全差分DC偏移器件电路包括第一放大电路，第二放大电路和米勒电容器。第一放大电路包括第一晶体管和第二晶体管，其中第一晶体管的基极电连接到第二晶体管的基极。第二放大电路包括第三晶体管和第四晶体管，其中第三晶体管的基极电连接到第四晶体管的基极。米勒电容器包括放大器，其中放大器的第一输入端电连接到第一放大电路的第二晶体管的基极，放大器的第二输入端电连接到第三晶体管的基极第二放大电路。

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