JP6773698B2 - 可変利得電力増幅器 - Google Patents

可変利得電力増幅器 Download PDF

Info

Publication number
JP6773698B2
JP6773698B2 JP2017568253A JP2017568253A JP6773698B2 JP 6773698 B2 JP6773698 B2 JP 6773698B2 JP 2017568253 A JP2017568253 A JP 2017568253A JP 2017568253 A JP2017568253 A JP 2017568253A JP 6773698 B2 JP6773698 B2 JP 6773698B2
Authority
JP
Japan
Prior art keywords
coupled
node
output
oscillator
signal
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.)
Active
Application number
JP2017568253A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018519760A (ja
JP2018519760A5 (enExample
Inventor
チャクラボーティ スディプト
チャクラボーティ スディプト
Original Assignee
日本テキサス・インスツルメンツ合同会社
テキサス インスツルメンツ インコーポレイテッド
テキサス インスツルメンツ インコーポレイテッド
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本テキサス・インスツルメンツ合同会社, テキサス インスツルメンツ インコーポレイテッド, テキサス インスツルメンツ インコーポレイテッド filed Critical 日本テキサス・インスツルメンツ合同会社
Publication of JP2018519760A publication Critical patent/JP2018519760A/ja
Publication of JP2018519760A5 publication Critical patent/JP2018519760A5/ja
Priority to JP2020167244A priority Critical patent/JP6978714B2/ja
Application granted granted Critical
Publication of JP6773698B2 publication Critical patent/JP6773698B2/ja
Priority to JP2021174121A priority patent/JP7514051B2/ja
Priority to JP2024101273A priority patent/JP2024111289A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1206Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification
    • H03B5/1212Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier comprising a pair of transistors, wherein an output terminal of each being connected to an input terminal of the other, e.g. a cross coupled pair
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1228Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more field effect transistors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1237Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
    • H03B5/1262Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising switched elements
    • H03B5/1265Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising switched elements switched capacitors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0277Selecting one or more amplifiers from a plurality of amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/193High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/213Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only in integrated circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45076Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45197Pl types
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G1/00Details of arrangements for controlling amplification
    • H03G1/0005Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/004Control by varying the supply voltage
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3036Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • H04B2001/0408Circuits with power amplifiers
    • H04B2001/0416Circuits with power amplifiers having gain or transmission power control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
JP2017568253A 2015-06-30 2016-06-30 可変利得電力増幅器 Active JP6773698B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020167244A JP6978714B2 (ja) 2015-06-30 2020-10-01 可変利得電力増幅器
JP2021174121A JP7514051B2 (ja) 2015-06-30 2021-10-25 可変利得電力増幅器
JP2024101273A JP2024111289A (ja) 2015-06-30 2024-06-24 可変利得電力増幅器

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/755,462 US9685907B2 (en) 2015-06-30 2015-06-30 Variable gain power amplifiers
US14/755,462 2015-06-30
PCT/US2016/040572 WO2017004459A1 (en) 2015-06-30 2016-06-30 Variable gain power amplifiers

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2020167244A Division JP6978714B2 (ja) 2015-06-30 2020-10-01 可変利得電力増幅器

Publications (3)

Publication Number Publication Date
JP2018519760A JP2018519760A (ja) 2018-07-19
JP2018519760A5 JP2018519760A5 (enExample) 2019-07-11
JP6773698B2 true JP6773698B2 (ja) 2020-10-21

Family

ID=57609606

Family Applications (4)

Application Number Title Priority Date Filing Date
JP2017568253A Active JP6773698B2 (ja) 2015-06-30 2016-06-30 可変利得電力増幅器
JP2020167244A Active JP6978714B2 (ja) 2015-06-30 2020-10-01 可変利得電力増幅器
JP2021174121A Active JP7514051B2 (ja) 2015-06-30 2021-10-25 可変利得電力増幅器
JP2024101273A Pending JP2024111289A (ja) 2015-06-30 2024-06-24 可変利得電力増幅器

Family Applications After (3)

Application Number Title Priority Date Filing Date
JP2020167244A Active JP6978714B2 (ja) 2015-06-30 2020-10-01 可変利得電力増幅器
JP2021174121A Active JP7514051B2 (ja) 2015-06-30 2021-10-25 可変利得電力増幅器
JP2024101273A Pending JP2024111289A (ja) 2015-06-30 2024-06-24 可変利得電力増幅器

Country Status (4)

Country Link
US (6) US9685907B2 (enExample)
JP (4) JP6773698B2 (enExample)
CN (2) CN114123998A (enExample)
WO (1) WO2017004459A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI619354B (zh) * 2017-01-26 2018-03-21 瑞昱半導體股份有限公司 射頻收發裝置及其射頻發射機
US11931525B2 (en) 2018-10-04 2024-03-19 Edwards Lifesciences Corporation Stabilizer for a delivery system
CN111756339B (zh) * 2018-12-07 2025-03-14 曹秀妹 一种可切换工作功率的双模式功率放大器及模式切换方法
WO2021081950A1 (zh) 2019-10-31 2021-05-06 华为技术有限公司 一种振荡器电路
CN113517870B (zh) * 2021-08-23 2025-01-07 苏州矽典微智能科技有限公司 可变增益放大器及其应用
CN115882800B (zh) * 2021-09-29 2025-10-28 瑞昱半导体股份有限公司 具有适应机制的信号增益调整电路及方法
TWI790867B (zh) 2021-12-21 2023-01-21 財團法人工業技術研究院 壓控振盪裝置
TWI826096B (zh) * 2022-11-03 2023-12-11 財團法人工業技術研究院 開關電路以及提供開關電路的方法
TWI848641B (zh) * 2023-03-29 2024-07-11 國立彰化師範大學 寬頻阻抗匹配之放大器電路

Family Cites Families (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5476650U (enExample) * 1977-11-10 1979-05-31
US4994757A (en) * 1989-11-01 1991-02-19 Motorola, Inc. Efficiency improvement of power amplifiers
JP2807853B2 (ja) * 1993-01-29 1998-10-08 リオン株式会社 出力回路
JP2904113B2 (ja) * 1996-04-15 1999-06-14 日本電気株式会社 可変利得増幅器
US6130602A (en) 1996-05-13 2000-10-10 Micron Technology, Inc. Radio frequency data communications device
SE506841C2 (sv) * 1996-06-28 1998-02-16 Ericsson Telefon Ab L M Anordning och förfarande för fasdistorsionskompensering
US5834975A (en) * 1997-03-12 1998-11-10 Rockwell Science Center, Llc Integrated variable gain power amplifier and method
EP0899866A1 (en) * 1997-08-27 1999-03-03 Lsi Logic Corporation Reactive tuned oscillator using standard CMOS technology
US6397077B1 (en) * 1998-05-20 2002-05-28 Conexant Systems, Inc. Wide frequency range couplers and detectors for power detection in multiple frequency band systems
US6172567B1 (en) * 1998-08-31 2001-01-09 Hitachi, Ltd. Radio communication apparatus and radio frequency power amplifier
US6615028B1 (en) * 1998-12-29 2003-09-02 Skyworks Solutions, Inc. System and method for selecting amplifiers in a communications device
JP4071395B2 (ja) * 1999-07-22 2008-04-02 富士通株式会社 利得可変増幅器
JP3897016B2 (ja) * 2000-08-29 2007-03-22 松下電器産業株式会社 高出力電圧制御発振器
US7010276B2 (en) * 2001-04-11 2006-03-07 Tropian, Inc. Communications signal amplifiers having independent power control and amplitude modulation
JP2002314345A (ja) * 2001-04-16 2002-10-25 Sony Corp 高周波増幅回路およびこれを用いた無線通信装置
US6614299B2 (en) * 2001-11-02 2003-09-02 Nokia Corporation Method and system for automated current balance adjustment for parallel combined amplification elements
US20040009721A1 (en) 2002-05-14 2004-01-15 Stoelinga Titus Anno Device for locating and possibly retrieving an object which has fallen into the water
US6906596B2 (en) * 2002-09-25 2005-06-14 Renesas Technology Corp. Oscillation circuit and a communication semiconductor integrated circuit
US6794935B2 (en) * 2002-10-17 2004-09-21 Motorola Inc. Power amplification circuit and method for supplying power at a plurality of desired power output levels
US7471941B2 (en) * 2002-12-02 2008-12-30 Broadcom Corporation Amplifier assembly including variable gain amplifier, parallel programmable amplifiers, and AGC
JP4744786B2 (ja) * 2003-04-23 2011-08-10 ルネサスエレクトロニクス株式会社 高周波電力増幅モジュール
US6894563B1 (en) 2003-04-24 2005-05-17 Atheros Communications, Inc. Automatic control of amplifier gain using degeneration
US7081796B2 (en) * 2003-09-15 2006-07-25 Silicon Laboratories, Inc. Radio frequency low noise amplifier with automatic gain control
US7421037B2 (en) * 2003-11-20 2008-09-02 Nokia Corporation Reconfigurable transmitter with direct digital to RF modulator
JP2005197997A (ja) * 2004-01-07 2005-07-21 Sharp Corp 電圧制御発振器並びにそれを用いた高周波受信器及び高周波送信器
JP2006013566A (ja) * 2004-06-22 2006-01-12 Renesas Technology Corp 高周波電力増幅用電子部品
US7340229B2 (en) * 2004-08-20 2008-03-04 Matsushita Electric Industrial Co., Ltd. High frequency amplification circuit and mobile communication terminal using the same
US20060066431A1 (en) * 2004-09-14 2006-03-30 Anand Seema B Adjustable differential inductor
US8000737B2 (en) * 2004-10-15 2011-08-16 Sky Cross, Inc. Methods and apparatuses for adaptively controlling antenna parameters to enhance efficiency and maintain antenna size compactness
US7355470B2 (en) * 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7215202B2 (en) * 2005-02-25 2007-05-08 Texas Instruments Incorporated Programmable gain amplifier and method
US7345545B2 (en) * 2005-03-28 2008-03-18 Freescale Semiconductor, Inc. Enhancement mode transceiver and switched gain amplifier integrated circuit
JP2006319621A (ja) * 2005-05-12 2006-11-24 Matsushita Electric Ind Co Ltd 発振器およびこれを用いたpll回路
JP2006333060A (ja) * 2005-05-26 2006-12-07 Renesas Technology Corp 高周波電力増幅及びそれを用いた無線通信装置
US7221222B2 (en) * 2005-07-28 2007-05-22 Motorola, Inc. Methods and apparatus of managing a power amplifier
JP2007104152A (ja) * 2005-09-30 2007-04-19 Sharp Corp 電圧制御発振器及び電圧制御発振器ユニット
JP5027472B2 (ja) * 2005-11-09 2012-09-19 ルネサスエレクトロニクス株式会社 発振器およびそれを用いた情報機器
WO2007063895A1 (ja) * 2005-12-02 2007-06-07 Tamura Corporation ワイヤレスマイクロホン送信機、ワイヤレス受信機、ワイヤレスマイクロホンシステム、ワイヤレスマイクロホン送信機における制御送信方法、ワイヤレス受信機における制御受信方法、ならびにワイヤレスマイクロホンシステムにおける制御伝送方法
US8761305B2 (en) * 2006-06-14 2014-06-24 Blackberry Limited Input drive control for switcher regulated power amplifier modules
WO2007143844A1 (en) * 2006-06-14 2007-12-21 Research In Motion Limited Improved control of switcher regulated power amplifier modules
US7724839B2 (en) * 2006-07-21 2010-05-25 Mediatek Inc. Multilevel LINC transmitter
US7486135B2 (en) * 2007-05-29 2009-02-03 Telefonaktiebolaget Lm Ericsson (Publ) Configurable, variable gain LNA for multi-band RF receiver
US7783269B2 (en) * 2007-09-20 2010-08-24 Quantance, Inc. Power amplifier controller with polar transmitter
US9088258B2 (en) * 2008-01-14 2015-07-21 Micro Mobio Corporation RF power amplifier with linearity control
US8718582B2 (en) * 2008-02-08 2014-05-06 Qualcomm Incorporated Multi-mode power amplifiers
KR100952424B1 (ko) * 2008-02-21 2010-04-14 한국전자통신연구원 트랜스포머의 커플링을 이용한 차동 전압 제어 발진기 및직교 전압 제어 발진기
US7847646B2 (en) * 2008-05-27 2010-12-07 Favepc, Inc. Carrier generator with LC network
US8502610B2 (en) 2008-12-22 2013-08-06 Lockheed Martin Corporation Cascaded local oscillator synthesizer
US9374100B2 (en) 2009-07-01 2016-06-21 Qualcomm Incorporated Low power LO distribution using a frequency-multiplying subharmonically injection-locked oscillator
US8131234B2 (en) * 2009-07-23 2012-03-06 Panasonic Corporation Transmitter utilizing a duty cycle envelope reduction and restoration modulator
US8842410B2 (en) * 2009-08-31 2014-09-23 Qualcomm Incorporated Switchable inductor network
JP2011061448A (ja) * 2009-09-09 2011-03-24 Panasonic Corp 高周波電力増幅器
KR101101426B1 (ko) * 2010-02-03 2012-01-02 삼성전기주식회사 전력 증폭기
JP5404473B2 (ja) * 2010-02-26 2014-01-29 ルネサスエレクトロニクス株式会社 高周波電力増幅器およびその動作方法
US8195109B2 (en) * 2010-03-23 2012-06-05 Texas Instruments Incorporated Single ended switched power amplifier with tuned load coupling block
US8319564B2 (en) * 2010-03-26 2012-11-27 Altera Corporation Integrated circuits with configurable inductors
US8698570B2 (en) * 2010-06-07 2014-04-15 Cornell University Resonator circuit and amplifier circuit
US8913970B2 (en) * 2010-09-21 2014-12-16 Apple Inc. Wireless transceiver with amplifier bias adjusted based on modulation scheme
US8513997B2 (en) 2010-09-30 2013-08-20 St-Ericsson Sa RF duty cycle correction circuit
JP2012129893A (ja) * 2010-12-16 2012-07-05 Fujitsu Ltd 増幅回路、増幅回路への電力供給制御方法及び送信装置
US9099957B2 (en) * 2011-03-18 2015-08-04 Freescale Semiconductor Inc. Voltage-controlled oscillators and related systems
JP5664385B2 (ja) * 2011-03-20 2015-02-04 富士通株式会社 送信装置
US8654805B2 (en) * 2011-08-23 2014-02-18 Coherent, Inc. Apparatus and method for balancing combined RF power-supplies for driving a CO2 gas-discharge laser
US8699974B2 (en) * 2011-08-24 2014-04-15 Aviacomm Inc. Wideband transmitter front-end
KR101792260B1 (ko) * 2011-09-01 2017-11-02 삼성전기주식회사 시분할 시스템용 전력 증폭기
US8929808B2 (en) * 2011-09-29 2015-01-06 Broadcom Corporation Antenna driver circuit for NFC reader applications
US8629732B2 (en) * 2011-09-30 2014-01-14 Freescale Semiconductor, Inc. Voltage-controlled oscillators and related systems
JP5283746B2 (ja) * 2011-12-21 2013-09-04 ルネサスエレクトロニクス株式会社 送信機およびそれに使用するためのrf送信信号処理回路
US9203348B2 (en) * 2012-01-27 2015-12-01 Freescale Semiconductor, Inc. Adjustable power splitters and corresponding methods and apparatus
CN102684864B (zh) * 2012-05-02 2017-04-19 惠州Tcl移动通信有限公司 一种移动通讯终端
US9985601B2 (en) * 2012-06-01 2018-05-29 Qualcomm Incorporated Step attenuator with constant input capacitance
US9264005B1 (en) * 2012-07-06 2016-02-16 Marvell International Ltd. Techniques for efficient radio frequency power amplifier
US8824978B2 (en) * 2012-10-30 2014-09-02 Eta Devices, Inc. RF amplifier architecture and related techniques
DE102014102940A1 (de) * 2013-03-13 2014-09-18 Analog Devices, Inc. Oszillator mit LC-Primär- und Sekundärschwingschaltungen
CN107404226B (zh) * 2013-03-14 2019-07-19 匡坦斯公司 射频功率放大器系统、电源和供电方法
US20150015222A1 (en) 2013-07-09 2015-01-15 Texas Instruments Deutschland Gmbh Low dropout voltage regulator
US9099958B2 (en) * 2013-09-30 2015-08-04 Infineon Technologies Ag System and method for a voltage controlled oscillator
US9160292B2 (en) * 2013-10-08 2015-10-13 Peregrine Semiconductor Corporation Load compensation in RF amplifiers
US9176188B2 (en) * 2013-12-20 2015-11-03 Texas Instruments Incorporated Waveform calibration using built in self test mechanism
JP5900756B2 (ja) * 2014-02-28 2016-04-06 株式会社村田製作所 電力増幅モジュール
CN103916083B (zh) * 2014-04-17 2017-01-04 重庆西南集成电路设计有限责任公司 具有优化宽带频率覆盖均匀性的压控振荡器

Also Published As

Publication number Publication date
JP2021013174A (ja) 2021-02-04
US20200112286A1 (en) 2020-04-09
US20170288796A1 (en) 2017-10-05
US20220140787A1 (en) 2022-05-05
CN107710601B (zh) 2021-12-31
JP2022009471A (ja) 2022-01-14
US11705863B2 (en) 2023-07-18
US20170005616A1 (en) 2017-01-05
JP2024111289A (ja) 2024-08-16
US9685907B2 (en) 2017-06-20
CN114123998A (zh) 2022-03-01
CN107710601A (zh) 2018-02-16
WO2017004459A1 (en) 2017-01-05
US12119789B2 (en) 2024-10-15
US10536113B2 (en) 2020-01-14
JP2018519760A (ja) 2018-07-19
US20210013833A1 (en) 2021-01-14
US10797646B2 (en) 2020-10-06
US11258404B2 (en) 2022-02-22
JP6978714B2 (ja) 2021-12-08
US20230318529A1 (en) 2023-10-05
JP7514051B2 (ja) 2024-07-10

Similar Documents

Publication Publication Date Title
JP6978714B2 (ja) 可変利得電力増幅器
CN109639244B (zh) 用于偏置rf电路的系统和方法
US7463106B2 (en) Push-push voltage controlled oscillator for obtaining differential signals
US7352241B2 (en) Variable gain amplifier
JP5109895B2 (ja) 増幅回路及び受信装置
EP3139506A1 (en) Apparatus and methods for using tuning information to adaptively and dynamically modify the parameters of an rf signal chain
CN101106354B (zh) 超宽频带信号发生器
JP5351849B2 (ja) 増幅回路
JP5807762B2 (ja) 高周波モジュール及びそれを用いた携帯端末
JP2014187478A (ja) 増幅装置および送信装置
EP1689074B1 (en) Ultra wide band signal generator
JP2011004217A (ja) 電圧制御発振器

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20171228

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190606

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20190606

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20200226

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20200226

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200515

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20200902

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20201001

R150 Certificate of patent or registration of utility model

Ref document number: 6773698

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250