TWI757327B - 具有可程式化嵌入式衰減器之多輸入放大器 - Google Patents
具有可程式化嵌入式衰減器之多輸入放大器 Download PDFInfo
- Publication number
- TWI757327B TWI757327B TW106129590A TW106129590A TWI757327B TW I757327 B TWI757327 B TW I757327B TW 106129590 A TW106129590 A TW 106129590A TW 106129590 A TW106129590 A TW 106129590A TW I757327 B TWI757327 B TW I757327B
- Authority
- TW
- Taiwan
- Prior art keywords
- attenuation
- signal
- stage
- amplifier
- variable
- Prior art date
Links
Images
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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- 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
- H03F1/02—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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662381262P | 2016-08-30 | 2016-08-30 | |
| US62/381,262 | 2016-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201822463A TW201822463A (zh) | 2018-06-16 |
| TWI757327B true TWI757327B (zh) | 2022-03-11 |
Family
ID=61243617
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW106129590A TWI757327B (zh) | 2016-08-30 | 2017-08-30 | 具有可程式化嵌入式衰減器之多輸入放大器 |
| TW111103508A TWI811976B (zh) | 2016-08-30 | 2017-08-30 | 具有可程式化嵌入式衰減器之多輸入放大器 |
| TW111103507A TWI811975B (zh) | 2016-08-30 | 2017-08-30 | 具有可程式化嵌入式衰減器之多輸入放大器 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW111103508A TWI811976B (zh) | 2016-08-30 | 2017-08-30 | 具有可程式化嵌入式衰減器之多輸入放大器 |
| TW111103507A TWI811975B (zh) | 2016-08-30 | 2017-08-30 | 具有可程式化嵌入式衰減器之多輸入放大器 |
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) | GB2569714B (enExample) |
| SG (2) | SG11201901804PA (enExample) |
| TW (3) | TWI757327B (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 |
| KR102686862B1 (ko) * | 2016-08-30 | 2024-07-22 | 스카이워크스 솔루션즈, 인코포레이티드 | 프로그래머블 임베디드 감쇠기들을 갖는 다중-입력 증폭기 |
| CN109845098B (zh) * | 2016-08-31 | 2024-02-13 | 天工方案公司 | 具有退化开关块和低损耗旁路功能的多输入放大器 |
| 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 |
| US10700650B1 (en) * | 2019-01-08 | 2020-06-30 | Psemi Corporation | Configurable wideband split LNA |
| WO2020146504A1 (en) | 2019-01-08 | 2020-07-16 | Psemi Corporation | Configurable wideband split lna |
| US10951252B2 (en) | 2019-01-08 | 2021-03-16 | Psemi Corporation | 5G NR configurable wideband RF front-end 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 |
| US11239803B2 (en) * | 2019-09-17 | 2022-02-01 | Psemi Corporation | Ruggedness protection circuit |
| US11159130B2 (en) | 2019-09-17 | 2021-10-26 | 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 |
| 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 |
| 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 |
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040197105A1 (en) * | 2003-02-14 | 2004-10-07 | Jds Uniphase Corporation | Variable gain multi-stage optical amplifier |
| US6900931B1 (en) * | 2000-10-02 | 2005-05-31 | Ciena Corporation | Three-stage optical amplifier having flat spectral gain |
| CN101777931A (zh) * | 2008-09-25 | 2010-07-14 | 爱特梅尔汽车股份有限公司 | 天线放大器、接收系统、运行接收系统的方法及接收系统的应用 |
| US20120206205A1 (en) * | 2011-02-16 | 2012-08-16 | Nxp B.V. | Variable gain amplifier |
| TWI431932B (zh) * | 2007-03-30 | 2014-03-21 | Broadcom Corp | 一種高帶寬精細可變增益放大器及其操作方法 |
| 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 |
| US20160077158A1 (en) * | 2014-09-17 | 2016-03-17 | Anritsu Corporation | Testing device and its calibration method |
| US20160248400A1 (en) * | 2015-02-25 | 2016-08-25 | Analog Devices, Inc. | Apparatus and methods for radio frequency switching |
Family Cites Families (34)
| 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 |
| 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 |
| JP2004328425A (ja) * | 2003-04-25 | 2004-11-18 | Sharp Corp | 可変利得増幅器 |
| WO2007022283A1 (en) * | 2005-08-12 | 2007-02-22 | Maxlinear, Inc. | Wide dynamic range amplifier gain control |
| 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 |
| EP1965504B1 (en) * | 2007-02-27 | 2015-08-19 | Alcatel Lucent | Integrated circuit and method for reception of radio frequency signals |
| WO2009022313A2 (en) * | 2007-08-16 | 2009-02-19 | Nxp B.V. | Integrated circuit with rf module, electronic device having such an ic and method for testing such a module |
| 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 |
| 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 |
| DE112010005225T5 (de) * | 2010-02-04 | 2012-11-15 | Epcos Ag | Verstärkerschaltung und Verfahren zur Signalerfassung |
| KR101250720B1 (ko) * | 2010-12-21 | 2013-04-03 | 삼성전기주식회사 | 안테나 스위치 회로 및 그 스위칭 방법 |
| 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 |
| WO2014080586A1 (ja) * | 2012-11-22 | 2014-05-30 | パナソニック株式会社 | 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 |
| US9893752B2 (en) * | 2014-10-31 | 2018-02-13 | Skyworks Solutions, Inc. | Diversity receiver front end system with variable-gain amplifiers |
| US10050694B2 (en) * | 2014-10-31 | 2018-08-14 | Skyworks Solution, Inc. | Diversity receiver front end system with post-amplifier filters |
| 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 |
| 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 |
| KR102686862B1 (ko) * | 2016-08-30 | 2024-07-22 | 스카이워크스 솔루션즈, 인코포레이티드 | 프로그래머블 임베디드 감쇠기들을 갖는 다중-입력 증폭기 |
-
2017
- 2017-08-30 KR KR1020237022531A patent/KR102686862B1/ko active Active
- 2017-08-30 TW TW106129590A patent/TWI757327B/zh active
- 2017-08-30 JP JP2019531585A patent/JP6853362B2/ja active Active
- 2017-08-30 TW TW111103508A patent/TWI811976B/zh active
- 2017-08-30 KR KR1020197009154A patent/KR102552581B1/ko active Active
- 2017-08-30 SG SG11201901804PA patent/SG11201901804PA/en unknown
- 2017-08-30 GB GB1904241.5A patent/GB2569714B/en active Active
- 2017-08-30 GB GB2209233.2A patent/GB2605544B/en active Active
- 2017-08-30 GB GB2209234.0A patent/GB2605112B/en active Active
- 2017-08-30 US US15/690,762 patent/US10348262B2/en active Active
- 2017-08-30 WO PCT/US2017/049324 patent/WO2018045002A1/en not_active Ceased
- 2017-08-30 DE DE112017004355.7T patent/DE112017004355B4/de active Active
- 2017-08-30 SG SG10202008216RA patent/SG10202008216RA/en unknown
- 2017-08-30 CN CN201780064472.5A patent/CN109891742B/zh active Active
- 2017-08-30 TW TW111103507A patent/TWI811975B/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
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6900931B1 (en) * | 2000-10-02 | 2005-05-31 | Ciena Corporation | Three-stage optical amplifier having flat spectral gain |
| US20040197105A1 (en) * | 2003-02-14 | 2004-10-07 | Jds Uniphase Corporation | Variable gain multi-stage optical amplifier |
| TWI431932B (zh) * | 2007-03-30 | 2014-03-21 | Broadcom Corp | 一種高帶寬精細可變增益放大器及其操作方法 |
| CN101777931A (zh) * | 2008-09-25 | 2010-07-14 | 爱特梅尔汽车股份有限公司 | 天线放大器、接收系统、运行接收系统的方法及接收系统的应用 |
| US20120206205A1 (en) * | 2011-02-16 | 2012-08-16 | Nxp B.V. | Variable gain amplifier |
| US20160077158A1 (en) * | 2014-09-17 | 2016-03-17 | Anritsu Corporation | Testing device and its calibration method |
| 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 |
| US20160248400A1 (en) * | 2015-02-25 | 2016-08-25 | Analog Devices, Inc. | Apparatus and methods for radio frequency switching |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI757327B (zh) | 具有可程式化嵌入式衰減器之多輸入放大器 | |
| JP7714826B1 (ja) | 可変利得増幅器の構成、フロントエンドモジュール、及び無線デバイス | |
| JP6170114B2 (ja) | 可変利得増幅器を備えたダイバーシティ受信器フロントエンドシステム | |
| US20190273523A1 (en) | Filtering techniques | |
| TW202236800A (zh) | 不需使用開關之具有退化切換之多輸入放大器 | |
| TW202245411A (zh) | 不需使用開關之增益級退化電感器切換 | |
| HK40006098A (en) | Multi-input amplifier with programmable embedded attenuators | |
| HK40006098B (zh) | 具有可编程嵌入式衰减器的多输入放大器 | |
| HK40006097B (zh) | 具有退化开关块和低损耗旁路功能的多输入放大器 |