CN109004911B - 具有调节的共模抑制的差分放大器和具有改进的共模抑制比率的电路 - Google Patents
具有调节的共模抑制的差分放大器和具有改进的共模抑制比率的电路 Download PDFInfo
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- CN109004911B CN109004911B CN201810614404.8A CN201810614404A CN109004911B CN 109004911 B CN109004911 B CN 109004911B CN 201810614404 A CN201810614404 A CN 201810614404A CN 109004911 B CN109004911 B CN 109004911B
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
- H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
- H03F3/45695—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by using feedforward means
- H03F3/45699—Measuring at the input circuit of the differential amplifier
- H03F3/45717—Controlling the loading circuit of the differential amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
- H03F3/387—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only
- H03F3/393—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
- H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
- H03F3/45636—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by using feedback means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
- H03F3/45183—Long tailed pairs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
- H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
- H03F3/45636—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by using feedback means
- H03F3/45641—Measuring at the loading circuit of the differential amplifier
- H03F3/45659—Controlling the loading circuit of the differential amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
- H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
- H03F3/4595—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by using feedforward means
- H03F3/45955—Measuring at the input circuit of the differential amplifier
- H03F3/45964—Controlling the loading circuit of the differential amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45008—Indexing scheme relating to differential amplifiers the addition of two signals being made by a resistor addition circuit for producing the common mode signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45022—One or more added resistors to the amplifying transistors in the differential amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45068—Indexing scheme relating to differential amplifiers the resulting deducted common mode signal being added at the one or more outputs of the differential amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45078—Indexing scheme relating to differential amplifiers the common mode signal being taken or deducted from the one or more inputs of the differential amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45418—Indexing scheme relating to differential amplifiers the CMCL comprising a resistor addition circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45421—Indexing scheme relating to differential amplifiers the CMCL comprising a switched capacitor addition circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45424—Indexing scheme relating to differential amplifiers the CMCL comprising a comparator circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45434—Indexing scheme relating to differential amplifiers the CMCL output control signal being a voltage signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45528—Indexing scheme relating to differential amplifiers the FBC comprising one or more passive resistors and being coupled between the LC and the IC
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/616,062 US10523166B2 (en) | 2017-06-07 | 2017-06-07 | Differential amplifier with modified common mode rejection, and to a circuit with an improved common mode rejection ratio |
US15/616,062 | 2017-06-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109004911A CN109004911A (zh) | 2018-12-14 |
CN109004911B true CN109004911B (zh) | 2023-12-01 |
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Application Number | Title | Priority Date | Filing Date |
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CN201810614404.8A Active CN109004911B (zh) | 2017-06-07 | 2018-06-07 | 具有调节的共模抑制的差分放大器和具有改进的共模抑制比率的电路 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10523166B2 (zh) |
EP (1) | EP3413462A1 (zh) |
CN (1) | CN109004911B (zh) |
Families Citing this family (15)
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EP3296752B1 (en) * | 2016-09-15 | 2024-01-10 | General Electric Technology GmbH | Improvements in or relating to the measurement of current within a conductor |
US10965254B2 (en) * | 2018-06-04 | 2021-03-30 | Stmicroelectronics S.R.L. | Low noise amplifier circuit for a thermal varying resistance |
CN109508063B (zh) * | 2018-12-28 | 2024-03-15 | 西安航天民芯科技有限公司 | 一种带有前馈补偿网络的误差放大器 |
JP7480473B2 (ja) * | 2019-03-22 | 2024-05-10 | ヤマハ株式会社 | 増幅回路 |
US10868536B1 (en) * | 2019-09-20 | 2020-12-15 | Analog Devices International Unlimited Company | High common-mode transient immunity high voltage level shifter |
US11990879B2 (en) * | 2020-05-11 | 2024-05-21 | Texas Instruments Incorporated | Fully-differential amplifier with input common-mode voltage control |
US11973469B2 (en) | 2020-08-12 | 2024-04-30 | Qorvo Us, Inc. | Systems and methods for providing an envelope tracking supply voltage |
US11929712B2 (en) | 2020-08-12 | 2024-03-12 | Qorvo Us, Inc. | Delay-compensating power management circuit |
US11923812B2 (en) | 2020-08-12 | 2024-03-05 | Qorvo Us, Inc. | Delay-compensating power management integrated circuit |
CN114236221B (zh) * | 2021-10-13 | 2023-09-26 | 北京华峰测控技术股份有限公司 | 差分电压测量电路、装置及方法 |
CN114268301B (zh) * | 2022-02-28 | 2022-06-14 | 成都明夷电子科技有限公司 | 一种带有自校准offset功能的LOS检测电路及检测方法 |
CN114900183A (zh) * | 2022-05-18 | 2022-08-12 | 重庆吉芯科技有限公司 | 输入共模补偿电路、流水线型模数转换器及输入共模补偿方法 |
CN115347870A (zh) * | 2022-07-29 | 2022-11-15 | 上海韦孜美电子科技有限公司 | 一种具有前馈偏置校正电路的新型差分放大器及设备 |
CN115511473B (zh) * | 2022-11-02 | 2023-04-18 | 北京共识数信科技有限公司 | 一种基于大数据的智慧函证管理方法、系统和存储介质 |
CN116299126B (zh) * | 2023-05-16 | 2023-08-29 | 上海安其威微电子科技有限公司 | 校准电路、系统、方法、控制单元、存储介质、程序产品 |
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2018
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- 2018-06-07 CN CN201810614404.8A patent/CN109004911B/zh active Active
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Also Published As
Publication number | Publication date |
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CN109004911A (zh) | 2018-12-14 |
US10523166B2 (en) | 2019-12-31 |
US20180358942A1 (en) | 2018-12-13 |
EP3413462A1 (en) | 2018-12-12 |
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