DK3197046T3 - Selvforspændt output booster forstærker samt anvendelse deraf - Google Patents
Selvforspændt output booster forstærker samt anvendelse deraf Download PDFInfo
- Publication number
- DK3197046T3 DK3197046T3 DK17153080.1T DK17153080T DK3197046T3 DK 3197046 T3 DK3197046 T3 DK 3197046T3 DK 17153080 T DK17153080 T DK 17153080T DK 3197046 T3 DK3197046 T3 DK 3197046T3
- Authority
- DK
- Denmark
- Prior art keywords
- self
- well
- booster amplifier
- biased output
- output booster
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device
-
- 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
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3205—Modifications of amplifiers to reduce non-linear distortion in field-effect transistor amplifiers
-
- 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
- H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers 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
- H03F3/181—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
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
- H03F3/505—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower 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
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- 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
- H03F2200/168—Two amplifying stages are coupled by means of a filter circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/171—A filter circuit coupled to the output of an amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/18—Indexing scheme relating to amplifiers the bias of the gate of a FET being controlled by a control signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/219—Follower transistors are added at the input of the amplifier, e.g. source or emitter followers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/297—Indexing scheme relating to amplifiers the loading circuit of an amplifying stage comprising a capacitor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/411—Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising two power stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/474—A current mirror being used as sensor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/54—Two or more capacitor coupled amplifier stages in cascade
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/69—Indexing scheme relating to amplifiers the amplifier stage being a common drain coupled MOSFET, i.e. source follower
-
- 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
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21161—An output signal dependant signal being measured by current measuring at the output of a power 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
- H03F2203/50—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
- H03F2203/5012—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower the source follower has a controlled source circuit, the controlling signal being derived from the drain circuit of the follower
-
- 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
- H03F2203/50—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
- H03F2203/5021—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower the source follower has a controlled source 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
- H03F2203/50—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
- H03F2203/5027—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower the source follower has a current mirror output circuit in its source circuit
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16152518 | 2016-01-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK3197046T3 true DK3197046T3 (da) | 2021-07-05 |
Family
ID=55229602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK17153080.1T DK3197046T3 (da) | 2016-01-25 | 2017-01-25 | Selvforspændt output booster forstærker samt anvendelse deraf |
Country Status (3)
Country | Link |
---|---|
US (1) | US9866959B2 (da) |
EP (1) | EP3197046B1 (da) |
DK (1) | DK3197046T3 (da) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10630293B2 (en) * | 2017-03-31 | 2020-04-21 | Adanced Micro Devices, Inc. | High speed transmitter |
JP7410935B2 (ja) | 2018-05-24 | 2024-01-10 | ザ リサーチ ファウンデーション フォー ザ ステイト ユニバーシティー オブ ニューヨーク | 容量性センサ |
EP3598639A1 (en) | 2018-07-20 | 2020-01-22 | Sonion Nederland B.V. | An amplifier with a symmetric current profile |
US10951169B2 (en) | 2018-07-20 | 2021-03-16 | Sonion Nederland B.V. | Amplifier comprising two parallel coupled amplifier units |
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JPH05291834A (ja) | 1992-04-09 | 1993-11-05 | Pioneer Electron Corp | 電力増幅器 |
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DK2166779T3 (da) | 2008-09-18 | 2019-08-26 | Sonion Nederland Bv | Apparat til udsendelse af lyd, der omfatter flere lydgivere og en fælles udgangskanal |
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DK3048810T3 (da) | 2010-12-14 | 2019-06-11 | Sonion Nederland Bv | Flerlaget armatur til en bevægelig armaturreceiver |
EP2469705B1 (en) | 2010-12-21 | 2015-12-02 | Sonion Nederland B.V. | Generation of a supply voltage from output of a class-D audio amplifier |
DK2503792T3 (da) | 2011-03-21 | 2018-08-20 | Sonion Nederland Bv | Højtaleranordning med bevægeligt armatur med vibrationsundertrykkelse |
EP2552128A1 (en) | 2011-07-29 | 2013-01-30 | Sonion Nederland B.V. | A dual cartridge directional microphone |
US9055380B2 (en) | 2011-11-28 | 2015-06-09 | Sonion Nederland B.V. | Method for producing a tube for a hearing aid |
US8891796B2 (en) | 2011-12-21 | 2014-11-18 | Sonion Nederland B.V. | Apparatus and a method for providing sound |
US8971554B2 (en) | 2011-12-22 | 2015-03-03 | Sonion Nederland Bv | Hearing aid with a sensor for changing power state of the hearing aid |
US9590571B2 (en) | 2012-10-02 | 2017-03-07 | Knowles Electronics, Llc | Single stage buffer with filter |
-
2017
- 2017-01-25 US US15/415,174 patent/US9866959B2/en active Active
- 2017-01-25 DK DK17153080.1T patent/DK3197046T3/da active
- 2017-01-25 EP EP17153080.1A patent/EP3197046B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9866959B2 (en) | 2018-01-09 |
EP3197046A1 (en) | 2017-07-26 |
EP3197046B1 (en) | 2021-04-14 |
US20170215006A1 (en) | 2017-07-27 |
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