IT201700100359A1 - Circuito amplificatore, sistema e dispositivo corrispondenti - Google Patents
Circuito amplificatore, sistema e dispositivo corrispondentiInfo
- Publication number
- IT201700100359A1 IT201700100359A1 IT102017000100359A IT201700100359A IT201700100359A1 IT 201700100359 A1 IT201700100359 A1 IT 201700100359A1 IT 102017000100359 A IT102017000100359 A IT 102017000100359A IT 201700100359 A IT201700100359 A IT 201700100359A IT 201700100359 A1 IT201700100359 A1 IT 201700100359A1
- Authority
- IT
- Italy
- Prior art keywords
- amplifier circuit
- corresponding equipment
- equipment
- amplifier
- circuit
- Prior art date
Links
Classifications
-
- 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
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
- H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
-
- 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
- H03F3/45932—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 feedback means
- H03F3/45937—Measuring at the loading circuit of the differential amplifier
- H03F3/45941—Controlling the input circuit of the differential amplifier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/005—Electrostatic transducers using semiconductor materials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/04—Microphones
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/129—Indexing scheme relating to amplifiers there being a feedback over the complete 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
- H03F2203/45116—Feedback coupled to the input 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
- H03F2203/45138—Two or more differential amplifiers in IC-block form are combined, e.g. measuring amplifiers
-
- 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
- H03F2203/45424—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
- H03F2203/45512—Indexing scheme relating to differential amplifiers the FBC comprising one or more capacitors, not being switched capacitors, and being coupled between the LC and the IC
-
- 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
- H03F2203/45518—Indexing scheme relating to differential amplifiers the FBC comprising one or more diodes and being coupled between the LC and the IC
-
- 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
- H03F2203/45544—Indexing scheme relating to differential amplifiers the IC comprising one or more capacitors, e.g. coupling capacitors
-
- 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
- H03F2203/45552—Indexing scheme relating to differential amplifiers the IC comprising clamping means, e.g. diodes
-
- 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
- H03F2203/45594—Indexing scheme relating to differential amplifiers the IC comprising one or more resistors, which are not biasing resistor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/003—Mems transducers or their use
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Amplifiers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102017000100359A IT201700100359A1 (it) | 2017-09-07 | 2017-09-07 | Circuito amplificatore, sistema e dispositivo corrispondenti |
US16/122,336 US10250208B2 (en) | 2017-09-07 | 2018-09-05 | Amplifier circuit, corresponding system and device |
US16/282,208 US10536122B2 (en) | 2017-09-07 | 2019-02-21 | Amplifier circuit, corresponding system and device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102017000100359A IT201700100359A1 (it) | 2017-09-07 | 2017-09-07 | Circuito amplificatore, sistema e dispositivo corrispondenti |
Publications (1)
Publication Number | Publication Date |
---|---|
IT201700100359A1 true IT201700100359A1 (it) | 2019-03-07 |
Family
ID=60813895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT102017000100359A IT201700100359A1 (it) | 2017-09-07 | 2017-09-07 | Circuito amplificatore, sistema e dispositivo corrispondenti |
Country Status (2)
Country | Link |
---|---|
US (2) | US10250208B2 (it) |
IT (1) | IT201700100359A1 (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3413467A1 (en) * | 2017-06-06 | 2018-12-12 | Samsung SDI Co., Ltd | Passive conjunction circuit and voltage measurement circuit |
US10979009B2 (en) | 2017-07-12 | 2021-04-13 | Honeywell International Inc. | Non-inverting differential amplifier with configurable common-mode output signal and reduced common-mode gain |
US10645017B2 (en) | 2018-05-09 | 2020-05-05 | Biosig Technologies, Inc. | Systems, apparatus, and methods for conveying biomedical signals between a patient and monitoring and treatment devices |
CN110912521A (zh) * | 2019-12-20 | 2020-03-24 | 邓晨曦 | 生物电传感器模拟前端的共模泄漏电流补偿电路 |
GB2592969B (en) * | 2020-03-12 | 2022-07-06 | Honeywell Int Inc | Non-inverting differential amplifier with configurable common-mode output signal and reduced common-mode gain |
CN116131869A (zh) * | 2021-11-12 | 2023-05-16 | 哈曼国际工业有限公司 | 单端模拟信号的接收器装置 |
US11943592B2 (en) * | 2022-04-11 | 2024-03-26 | Infineon Technologies Ag | Single to differential conversion in silicon microphone amplifiers |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6429734B1 (en) * | 2001-12-19 | 2002-08-06 | Neoaxiom Corporation | Differential active loop filter for phase locked loop circuits |
US20160352294A1 (en) * | 2015-05-29 | 2016-12-01 | Stmicroelectronics S.R.L. | Differential amplifier circuit for a capacitive acoustic transducer and corresponding capacitive acoustic transducer |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69421692T2 (de) * | 1994-05-23 | 2000-07-06 | Stmicroelectronics S.R.L., Agrate Brianza | Verstärkerausgangsstufe der Klasse "AB" |
US7528658B2 (en) * | 2007-02-16 | 2009-05-05 | Toshiba America Electronic Components, Inc. | Threshold voltage compensation for a two stage amplifier |
US9083288B2 (en) * | 2009-06-11 | 2015-07-14 | Invensense, Inc. | High level capable audio amplification circuit |
US8855335B2 (en) * | 2009-06-11 | 2014-10-07 | Invensense, Inc. | Distortion suppression in high-level capable audio amplification circuit |
JP2011130604A (ja) * | 2009-12-18 | 2011-06-30 | Sanyo Electric Co Ltd | 充電回路、増幅回路 |
US9337722B2 (en) * | 2012-01-27 | 2016-05-10 | Invensense, Inc. | Fast power-up bias voltage circuit |
US9300259B2 (en) * | 2012-04-04 | 2016-03-29 | Ams Ag | Sensor amplifier arrangement and method for amplification of a sensor signal |
US10211792B2 (en) * | 2012-04-04 | 2019-02-19 | Ams Ag | Sensor amplifier arrangement and method of amplifying a sensor signal |
US8638249B2 (en) * | 2012-04-16 | 2014-01-28 | Infineon Technologies Ag | System and method for high input capacitive signal amplifier |
KR101951234B1 (ko) * | 2012-09-03 | 2019-04-25 | 삼성전자주식회사 | 공통 모드 피드백의 비정상 동작을 회복시키기 위한 아날로그 증폭기 |
US9083286B2 (en) * | 2012-10-31 | 2015-07-14 | Infineon Technologies Ag | System and method for capacitive signal source amplifier |
US20140176239A1 (en) * | 2012-12-24 | 2014-06-26 | Lsi Corporation | Adaptive control mechanisms to control input and output common-mode voltages of differential amplifier circuits |
US9479865B2 (en) * | 2014-03-31 | 2016-10-25 | Analog Devices Global | Transducer amplification circuit |
GB2525674B (en) * | 2014-05-02 | 2017-11-29 | Cirrus Logic Int Semiconductor Ltd | Low noise amplifier for MEMS capacitive transducers |
US9628920B2 (en) * | 2014-10-16 | 2017-04-18 | Infineon Technologies Ag | Voltage generator and biasing thereof |
US9484872B1 (en) * | 2015-06-17 | 2016-11-01 | Stmicroelectronics S.R.L. | Amplifier circuit with static consumption control and corresponding control method |
US10070222B1 (en) * | 2017-02-16 | 2018-09-04 | Akustica, Inc. | Microphone system having microphone transducer in feedback loop with adjustable frequency -3dB point and improved settling speed |
US10080082B2 (en) * | 2017-02-16 | 2018-09-18 | Akustica, Inc. | Microphone system having high acoustical overload point |
-
2017
- 2017-09-07 IT IT102017000100359A patent/IT201700100359A1/it unknown
-
2018
- 2018-09-05 US US16/122,336 patent/US10250208B2/en active Active
-
2019
- 2019-02-21 US US16/282,208 patent/US10536122B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6429734B1 (en) * | 2001-12-19 | 2002-08-06 | Neoaxiom Corporation | Differential active loop filter for phase locked loop circuits |
US20160352294A1 (en) * | 2015-05-29 | 2016-12-01 | Stmicroelectronics S.R.L. | Differential amplifier circuit for a capacitive acoustic transducer and corresponding capacitive acoustic transducer |
Also Published As
Publication number | Publication date |
---|---|
US10250208B2 (en) | 2019-04-02 |
US20190074803A1 (en) | 2019-03-07 |
US10536122B2 (en) | 2020-01-14 |
US20190190473A1 (en) | 2019-06-20 |
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