JP6853362B2 - 可変利得信号増幅器、フロントエンドアーキテクチャ及び無線デバイス - Google Patents
可変利得信号増幅器、フロントエンドアーキテクチャ及び無線デバイス Download PDFInfo
- Publication number
- JP6853362B2 JP6853362B2 JP2019531585A JP2019531585A JP6853362B2 JP 6853362 B2 JP6853362 B2 JP 6853362B2 JP 2019531585 A JP2019531585 A JP 2019531585A JP 2019531585 A JP2019531585 A JP 2019531585A JP 6853362 B2 JP6853362 B2 JP 6853362B2
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- Prior art keywords
- signal
- attenuation
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- variable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power 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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0277—Selecting one or more amplifiers from a plurality of 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
- H03F1/08—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
-
- 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
-
- 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
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements
- H03G1/0029—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements using field-effect transistors [FET]
-
- 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
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/001—Digital control of analog signals
-
- 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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3063—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver using at least one transistor as controlling device, the transistor being used as a variable impedance device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/211—Indexing scheme relating to amplifiers the input of an amplifier can be attenuated by a continuously controlled transistor attenuator
-
- 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
- H03F2200/387—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
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G2201/00—Indexing scheme relating to subclass H03G
- H03G2201/10—Gain control characterised by the type of controlled element
- H03G2201/106—Gain control characterised by the type of controlled element being attenuating element
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662381262P | 2016-08-30 | 2016-08-30 | |
| US62/381,262 | 2016-08-30 | ||
| PCT/US2017/049324 WO2018045002A1 (en) | 2016-08-30 | 2017-08-30 | Multi-input amplifier with programmable embedded attenuators |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019525692A JP2019525692A (ja) | 2019-09-05 |
| JP2019525692A5 JP2019525692A5 (enExample) | 2020-10-08 |
| JP6853362B2 true JP6853362B2 (ja) | 2021-03-31 |
Family
ID=61243617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019531585A Active JP6853362B2 (ja) | 2016-08-30 | 2017-08-30 | 可変利得信号増幅器、フロントエンドアーキテクチャ及び無線デバイス |
Country Status (9)
| Country | Link |
|---|---|
| US (3) | US10348262B2 (enExample) |
| JP (1) | JP6853362B2 (enExample) |
| KR (2) | KR102686862B1 (enExample) |
| CN (1) | CN109891742B (enExample) |
| DE (1) | DE112017004355B4 (enExample) |
| GB (3) | GB2605112B (enExample) |
| SG (2) | SG11201901804PA (enExample) |
| TW (3) | TWI811975B (enExample) |
| WO (1) | WO2018045002A1 (enExample) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048749B (zh) | 2014-08-18 | 2021-08-31 | 松下电器产业株式会社 | 多输入多输出训练方法及无线装置 |
| SG11201901804PA (en) * | 2016-08-30 | 2019-03-28 | Skyworks Solutions Inc | Multi-input amplifier with programmable embedded attenuators |
| SG11201901799UA (en) * | 2016-08-31 | 2019-03-28 | Skyworks Solutions Inc | Multi-input amplifier with degeneration switching block and low loss bypass function |
| US20180091108A1 (en) * | 2016-09-28 | 2018-03-29 | Qualcomm Incorporated | Optimization for energy efficient multi-channel communication with shared lna structure |
| FR3065339B1 (fr) * | 2017-04-13 | 2019-07-05 | Stmicroelectronics Sa | Ligne de transmission avec dispositif de limitation des pertes par desadaptation |
| JP7148056B2 (ja) * | 2018-05-08 | 2022-10-05 | 日清紡マイクロデバイス株式会社 | 利得可変型増幅器 |
| US10496587B1 (en) * | 2018-06-27 | 2019-12-03 | Integrated Device Technology, Inc. | Wide programmable gain receiver data path for single-ended memory interface application |
| JP6937272B2 (ja) * | 2018-06-29 | 2021-09-22 | 株式会社東芝 | 高周波増幅回路 |
| CN110798266B (zh) * | 2018-08-03 | 2024-07-26 | 上海欣诺通信技术股份有限公司 | 分光装置及计算机存储介质 |
| US10951252B2 (en) | 2019-01-08 | 2021-03-16 | Psemi Corporation | 5G NR configurable wideband RF front-end LNA |
| US10700650B1 (en) * | 2019-01-08 | 2020-06-30 | Psemi Corporation | Configurable wideband split LNA |
| CN113366759A (zh) | 2019-01-08 | 2021-09-07 | 派赛公司 | 可配置的宽带分裂lna |
| US11469725B2 (en) | 2019-06-07 | 2022-10-11 | Skyworks Solutions, Inc. | Apparatus and methods for power amplifier output matching |
| KR102756602B1 (ko) * | 2019-09-17 | 2025-01-21 | 한국전자통신연구원 | 초고주파 증폭 회로 |
| US11159130B2 (en) | 2019-09-17 | 2021-10-26 | Psemi Corporation | Ruggedness protection circuit |
| US11239803B2 (en) * | 2019-09-17 | 2022-02-01 | Psemi Corporation | Ruggedness protection circuit |
| CN110658443B (zh) * | 2019-10-21 | 2021-03-26 | 浙江大学 | 一种针对射频前端器件的老练系统 |
| US11218123B2 (en) * | 2020-03-12 | 2022-01-04 | Texas Instruments Incorporated | Chopper stabilized attenuation for sense amplifiers |
| KR102540949B1 (ko) | 2021-09-17 | 2023-06-07 | 주식회사 퀄리타스반도체 | 펄스 진폭 변조 신호의 선형성을 향상시키는 pam 신호 처리 회로 및 이를 포함하는 통신 장치 |
| CN114244297A (zh) * | 2021-12-20 | 2022-03-25 | 上海迦美信芯通讯技术有限公司 | 一种改进增益衰减方案的多增益控制低噪声放大器 |
| CN114189222A (zh) * | 2021-12-20 | 2022-03-15 | 上海迦美信芯通讯技术有限公司 | 一种改进相位跳变的多增益控制低噪声放大器 |
| US20230336206A1 (en) * | 2022-04-13 | 2023-10-19 | Skyworks Solutions, Inc. | Switch module with shunt switches |
| CN115441839A (zh) * | 2022-09-16 | 2022-12-06 | 深圳飞骧科技股份有限公司 | 多频段低噪声放大器、集成电路芯片及电子设备 |
| CN115208338A (zh) * | 2022-09-16 | 2022-10-18 | 深圳飞骧科技股份有限公司 | 多频段低噪声放大器及通信设备 |
| CN115296620B (zh) * | 2022-09-29 | 2022-12-30 | 深圳飞骧科技股份有限公司 | 多频段可调增益的低噪声放大器 |
| KR20240174249A (ko) * | 2023-06-08 | 2024-12-17 | 삼성전기주식회사 | Rf 스위치 회로 |
Family Cites Families (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09312539A (ja) * | 1996-05-21 | 1997-12-02 | Matsushita Electric Ind Co Ltd | 受信アッテネータ回路 |
| JP3352929B2 (ja) * | 1997-12-12 | 2002-12-03 | 三菱電機株式会社 | フィードフォワード増幅器 |
| US6349200B1 (en) * | 1997-12-24 | 2002-02-19 | Transcept, Inc. | Monitoring and command system for transceivers used to inter-connect wireless telephones to a broadband network |
| JPH11312938A (ja) * | 1998-04-28 | 1999-11-09 | Matsushita Electric Ind Co Ltd | Agc回路と受信装置 |
| US6900931B1 (en) * | 2000-10-02 | 2005-05-31 | Ciena Corporation | Three-stage optical amplifier having flat spectral gain |
| JP2003324327A (ja) * | 2002-05-02 | 2003-11-14 | Toshiba Techno Network Kk | 利得切換スイッチ付き増幅器 |
| US20040197105A1 (en) * | 2003-02-14 | 2004-10-07 | Jds Uniphase Corporation | Variable gain multi-stage optical amplifier |
| JP2004328425A (ja) * | 2003-04-25 | 2004-11-18 | Sharp Corp | 可変利得増幅器 |
| KR20080058335A (ko) * | 2005-08-12 | 2008-06-25 | 맥스리니어 인코포레이티드 | 넓은 동적 범위를 갖는 증폭기의 이득 제어 |
| JP4354465B2 (ja) * | 2006-03-24 | 2009-10-28 | シャープ株式会社 | 可変利得増幅器及びこの可変利得増幅器を備えた通信装置 |
| JP2007295146A (ja) * | 2006-04-24 | 2007-11-08 | Niigata Seimitsu Kk | 自動利得制御回路および低雑音増幅回路 |
| GB2440188B (en) * | 2006-07-14 | 2011-06-08 | Wolfson Ltd | Amplifier Circuits, Methods of Starting and Stopping Amplifier Circuits |
| US7560986B2 (en) * | 2006-08-25 | 2009-07-14 | Broadcom Corporation | Variable gain amplifier and method for achieving variable gain amplification with high bandwidth and linearity |
| EP1965504B1 (en) * | 2007-02-27 | 2015-08-19 | Alcatel Lucent | Integrated circuit and method for reception of radio frequency signals |
| CN101784904A (zh) * | 2007-08-16 | 2010-07-21 | Nxp股份有限公司 | 带有rf模块的集成电路、具有这种ic的电子设备和用于测试这种模块的方法 |
| US7868681B2 (en) * | 2007-10-30 | 2011-01-11 | Qualcomm, Incorporated | Programmable gain circuit |
| JP2009239794A (ja) * | 2008-03-28 | 2009-10-15 | Nippon Telegr & Teleph Corp <Ntt> | 多段可変利得増幅器 |
| DE102008048986B4 (de) * | 2008-09-25 | 2019-03-14 | Atmel Corp. | Antennenverstärker und Empfangssystem |
| US8971830B2 (en) * | 2009-05-12 | 2015-03-03 | Qualcomm Incorporated | Multi-mode multi-band power amplifier module |
| US8295212B2 (en) * | 2009-08-05 | 2012-10-23 | Alcatel Lucent | System and method for TDD/TMA with hybrid bypass switch of receiving amplifier |
| JP5526241B2 (ja) * | 2010-02-04 | 2014-06-18 | エプコス アクチエンゲゼルシャフト | 信号感知のための増幅回路および方法 |
| KR101250720B1 (ko) * | 2010-12-21 | 2013-04-03 | 삼성전기주식회사 | 안테나 스위치 회로 및 그 스위칭 방법 |
| EP2490332A1 (en) * | 2011-02-16 | 2012-08-22 | Nxp B.V. | A variable gain amplifier |
| EP2557687B1 (en) | 2011-08-11 | 2018-06-13 | Telefonaktiebolaget LM Ericsson (publ) | Low-noise amplifier, receiver, method and computer program |
| US8442465B2 (en) * | 2011-09-27 | 2013-05-14 | Rf Micro Devices, Inc. | Switched capacitor detuner for low noise amplification circuit having bypass path |
| US20140011461A1 (en) * | 2012-07-03 | 2014-01-09 | Infineon Technologies Ag | System and Method for Attenuating a Signal in a Radio Frequency System |
| US8913976B2 (en) * | 2012-10-23 | 2014-12-16 | Qualcomm Incorporated | Amplifiers with shunt switches |
| JPWO2014080586A1 (ja) * | 2012-11-22 | 2017-01-05 | パナソニックIpマネジメント株式会社 | 可変利得増幅器、およびこれを備えたチューナシステム |
| US9059665B2 (en) * | 2013-02-22 | 2015-06-16 | Qualcomm Incorporated | Amplifiers with multiple outputs and configurable degeneration inductor |
| US9473194B2 (en) * | 2014-02-27 | 2016-10-18 | Skywoods Solutions, Inc. | Systems, devices and methods related to radio-frequency step attenuators |
| JP2015171081A (ja) * | 2014-03-10 | 2015-09-28 | 日本電気株式会社 | 可変利得増幅器、それを用いた送信機および制御方法 |
| US9515645B2 (en) * | 2014-06-03 | 2016-12-06 | Infineon Technologies Ag | System and method for a radio frequency switch |
| JP6259742B2 (ja) * | 2014-09-17 | 2018-01-10 | アンリツ株式会社 | 試験装置及びその校正方法 |
| US10050694B2 (en) * | 2014-10-31 | 2018-08-14 | Skyworks Solution, Inc. | Diversity receiver front end system with post-amplifier filters |
| US9893752B2 (en) * | 2014-10-31 | 2018-02-13 | Skyworks Solutions, Inc. | Diversity receiver front end system with variable-gain amplifiers |
| CN204334539U (zh) * | 2015-01-30 | 2015-05-13 | 深圳市极致汇仪科技有限公司 | 宽带射频反射隔离器 |
| CN104917475B (zh) * | 2015-02-15 | 2017-12-08 | 上海唯捷创芯电子技术有限公司 | 一种可调增益功率放大器、增益调节方法及移动终端 |
| US20160248400A1 (en) * | 2015-02-25 | 2016-08-25 | Analog Devices, Inc. | Apparatus and methods for radio frequency switching |
| US9748993B2 (en) * | 2015-09-08 | 2017-08-29 | Mediatek Inc. | Radio frequency receiver front-end with gain control capability as well as improved impedance matching control capability |
| US10033421B2 (en) * | 2016-05-31 | 2018-07-24 | Silicon Laboratories Inc. | Multi-standard, multi-channel expandable TV/satellite receiver |
| GB2551205B (en) * | 2016-06-10 | 2020-05-06 | Etl Systems Ltd | A self-optimising RF amplifier |
| SG11201901804PA (en) * | 2016-08-30 | 2019-03-28 | Skyworks Solutions Inc | Multi-input amplifier with programmable embedded attenuators |
-
2017
- 2017-08-30 SG SG11201901804PA patent/SG11201901804PA/en unknown
- 2017-08-30 KR KR1020237022531A patent/KR102686862B1/ko active Active
- 2017-08-30 JP JP2019531585A patent/JP6853362B2/ja active Active
- 2017-08-30 DE DE112017004355.7T patent/DE112017004355B4/de active Active
- 2017-08-30 KR KR1020197009154A patent/KR102552581B1/ko active Active
- 2017-08-30 WO PCT/US2017/049324 patent/WO2018045002A1/en not_active Ceased
- 2017-08-30 TW TW111103507A patent/TWI811975B/zh active
- 2017-08-30 GB GB2209234.0A patent/GB2605112B/en active Active
- 2017-08-30 TW TW106129590A patent/TWI757327B/zh active
- 2017-08-30 SG SG10202008216RA patent/SG10202008216RA/en unknown
- 2017-08-30 US US15/690,762 patent/US10348262B2/en active Active
- 2017-08-30 GB GB2209233.2A patent/GB2605544B/en active Active
- 2017-08-30 GB GB1904241.5A patent/GB2569714B/en active Active
- 2017-08-30 CN CN201780064472.5A patent/CN109891742B/zh active Active
- 2017-08-30 TW TW111103508A patent/TWI811976B/zh active
-
2019
- 2019-07-06 US US16/504,252 patent/US10797668B2/en active Active
-
2020
- 2020-10-06 US US17/064,509 patent/US11329621B2/en active Active
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