JP6845461B2 - 増幅回路 - Google Patents
増幅回路 Download PDFInfo
- Publication number
- JP6845461B2 JP6845461B2 JP2016148985A JP2016148985A JP6845461B2 JP 6845461 B2 JP6845461 B2 JP 6845461B2 JP 2016148985 A JP2016148985 A JP 2016148985A JP 2016148985 A JP2016148985 A JP 2016148985A JP 6845461 B2 JP6845461 B2 JP 6845461B2
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- Prior art keywords
- current
- voltage
- resistance value
- circuit
- channel mosfet
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- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 230000001965 increasing effect Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 description 15
- 238000004088 simulation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 4
- 241001125929 Trisopterus luscus Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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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
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
-
- 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
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
- H03F1/223—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively with MOSFET's
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- 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
- H03F1/301—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in MOSFET amplifiers
-
- 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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- 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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
- H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
-
- 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
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- 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
- H03F2200/222—A circuit being added at the input of an amplifier to adapt the input impedance of the amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/301—Indexing scheme relating to amplifiers the loading circuit of an amplifying stage comprising a coil
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/387—A circuit being added at the output of an amplifier to adapt the output impedance of the amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/447—Indexing scheme relating to amplifiers the amplifier being protected to temperature influence
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/492—A coil being added in the source circuit of a transistor amplifier stage as degenerating element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/531—Indexing scheme relating to amplifiers the temperature difference between different chips being controlled
-
- 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
- H03F2203/45284—Sensing the temperature dependence by a temperature dependant sensor, e.g. a resistor, a diode
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
110,111 整合回路
120 抵抗値調整回路
200,310〜312,500,501,700,701 電流源
300,710,711 オペアンプ
N1,N2,N51〜N54 NチャネルMOSFET
P1,P2,P51,P52 PチャネルMOSFET
R1,R31,R32,R71〜R78 抵抗器
C1 キャパシタ
L1,L2 インダクタ
D1 ダイオード
Claims (5)
- 入力信号を増幅して増幅信号を出力する増幅回路であって、
出力端子から前記増幅信号を出力する増幅素子と、
一端に電源電圧が供給され、他端が前記増幅素子の前記出力端子と接続されるインダクタと、
前記インダクタと並列に接続される可変抵抗器と、
前記可変抵抗器における電流による損失が小さくなるよう温度の上昇に伴って前記可変抵抗器の抵抗値を増大させ、前記可変抵抗器における電流による損失が大きくなるよう温度の低下に伴って前記可変抵抗器の抵抗値を減少させるように、温度に応じて前記可変抵抗器の抵抗値を調整する抵抗値調整回路と、
を備える増幅回路。 - 請求項1に記載の増幅回路であって、
前記可変抵抗器は、第1FETを含み、
前記抵抗値調整回路は、温度の上昇に伴って前記第1FETのゲート電圧を上昇させ、温度の低下に伴って前記第1FETのゲート電圧を下降させる、
増幅回路。 - 請求項2に記載の増幅回路であって、
前記抵抗値調整回路は、
第1電流を生成する第1電流生成回路と、
ダイオード接続され、前記第1電流を流す第2FETと、
前記第2FETのゲート電圧に応じて変化する第1電圧を生成する第1電圧生成回路と、
を含み、
前記第1電圧生成回路は、前記第2FETと接続されたダイオードを有し、
前記抵抗値調整回路は、前記第1電圧に基づいて、前記第1FETのゲート電圧を調整する、
増幅回路。 - 請求項3に記載の増幅回路であって、
前記第1電圧生成回路は、
温度に応じて変化する第2電流を生成する第2電流生成回路と、
前記第2電流に応じて変化する第2電圧を生成する第2電圧生成回路と、
を含み、
前記第2電圧生成回路は、非反転入力端子が前記ダイオードに接続され、反転入力端子が前記第2電流生成回路に接続され、出力端子が前記可変抵抗器に接続された、オペアンプを有し、
前記抵抗値調整回路は、前記第2電圧に基づいて、前記第1FETのゲート電圧を調整する、
増幅回路。 - 請求項4に記載の増幅回路であって、
前記第2電流は、温度に対する電流変化率が、第1温度区間において一定であり、第2温度区間において温度の上昇に伴って増加する、
増幅回路。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016148985A JP6845461B2 (ja) | 2016-07-28 | 2016-07-28 | 増幅回路 |
KR1020170051029A KR101907416B1 (ko) | 2016-07-28 | 2017-04-20 | 증폭 회로 |
CN201710432728.5A CN107666294B (zh) | 2016-07-28 | 2017-06-09 | 放大电路 |
US15/639,397 US9948255B2 (en) | 2016-07-28 | 2017-06-30 | Amplification circuit |
US15/914,674 US10374561B2 (en) | 2016-07-28 | 2018-03-07 | Amplification circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016148985A JP6845461B2 (ja) | 2016-07-28 | 2016-07-28 | 増幅回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018019291A JP2018019291A (ja) | 2018-02-01 |
JP6845461B2 true JP6845461B2 (ja) | 2021-03-17 |
Family
ID=61011713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016148985A Active JP6845461B2 (ja) | 2016-07-28 | 2016-07-28 | 増幅回路 |
Country Status (4)
Country | Link |
---|---|
US (2) | US9948255B2 (ja) |
JP (1) | JP6845461B2 (ja) |
KR (1) | KR101907416B1 (ja) |
CN (1) | CN107666294B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109546845A (zh) * | 2018-12-29 | 2019-03-29 | 华羿微电子股份有限公司 | 基于mosfet和固定电阻串并联的电子负载电路 |
CN111490739B (zh) * | 2019-01-25 | 2023-09-26 | 杭州海康威视数字技术股份有限公司 | 一种放大音频信号的装置以及设备 |
WO2021235125A1 (ja) * | 2020-05-21 | 2021-11-25 | 株式会社村田製作所 | 増幅装置 |
EP3930184A1 (en) * | 2020-06-26 | 2021-12-29 | NXP USA, Inc. | Amplifier circuit with temperature compensation |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3411123B2 (ja) * | 1995-03-22 | 2003-05-26 | シンクレイヤ株式会社 | 高周波増幅器用温度補償回路 |
JP2000036564A (ja) * | 1998-07-21 | 2000-02-02 | Oki Electric Ind Co Ltd | 可変抵抗器及び可変利得回路 |
JP3841652B2 (ja) * | 2001-03-14 | 2006-11-01 | 富士通株式会社 | 増幅回路 |
US6424222B1 (en) * | 2001-03-29 | 2002-07-23 | Gct Semiconductor, Inc. | Variable gain low noise amplifier for a wireless terminal |
US7271674B1 (en) * | 2003-08-15 | 2007-09-18 | Dsp Group Inc. | Automatic level control for radio frequency amplifiers |
KR20070052782A (ko) | 2004-09-10 | 2007-05-22 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 증폭 방법, 증폭기 및 증폭 회로 |
JP2006319436A (ja) * | 2005-05-10 | 2006-11-24 | Alps Electric Co Ltd | 利得制御回路 |
KR100705326B1 (ko) * | 2006-05-25 | 2007-04-10 | 삼성전자주식회사 | 피드백형 가변이득 증폭기 및 그 제어방법 |
US7696826B2 (en) | 2006-12-04 | 2010-04-13 | Skyworks Solutions, Inc. | Temperature compensation of collector-voltage control RF amplifiers |
JP2012099915A (ja) | 2010-10-29 | 2012-05-24 | Asahi Kasei Electronics Co Ltd | 広帯域増幅器 |
WO2012164794A1 (ja) * | 2011-06-01 | 2012-12-06 | パナソニック株式会社 | スルーモード付き低雑音増幅器 |
CN104779920B (zh) * | 2015-05-08 | 2017-06-09 | 宜确半导体(苏州)有限公司 | 基于闭环功率控制的共源共栅射频功率放大器 |
-
2016
- 2016-07-28 JP JP2016148985A patent/JP6845461B2/ja active Active
-
2017
- 2017-04-20 KR KR1020170051029A patent/KR101907416B1/ko active IP Right Grant
- 2017-06-09 CN CN201710432728.5A patent/CN107666294B/zh active Active
- 2017-06-30 US US15/639,397 patent/US9948255B2/en active Active
-
2018
- 2018-03-07 US US15/914,674 patent/US10374561B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2018019291A (ja) | 2018-02-01 |
US9948255B2 (en) | 2018-04-17 |
US20180198429A1 (en) | 2018-07-12 |
CN107666294A (zh) | 2018-02-06 |
CN107666294B (zh) | 2021-11-30 |
US10374561B2 (en) | 2019-08-06 |
US20180034426A1 (en) | 2018-02-01 |
KR20180013689A (ko) | 2018-02-07 |
KR101907416B1 (ko) | 2018-10-12 |
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