JP5489172B2 - 適切な条件の下で信号電力を低減する制御ユニットを有するｒｆ回路 - Google Patents

適切な条件の下で信号電力を低減する制御ユニットを有するｒｆ回路 Download PDF

Info

Publication number
JP5489172B2
JP5489172B2 JP2010522998A JP2010522998A JP5489172B2 JP 5489172 B2 JP5489172 B2 JP 5489172B2 JP 2010522998 A JP2010522998 A JP 2010522998A JP 2010522998 A JP2010522998 A JP 2010522998A JP 5489172 B2 JP5489172 B2 JP 5489172B2
Authority
JP
Japan
Prior art keywords
signal
circuit
current
power
output 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
JP2010522998A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010538540A5 (cg-RX-API-DMAC7.html
JP2010538540A (ja
Inventor
エム． ゴンザレス、デイビッド
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NXP USA Inc
Original Assignee
NXP USA Inc
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 NXP USA Inc filed Critical NXP USA Inc
Publication of JP2010538540A publication Critical patent/JP2010538540A/ja
Publication of JP2010538540A5 publication Critical patent/JP2010538540A5/ja
Application granted granted Critical
Publication of JP5489172B2 publication Critical patent/JP5489172B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1607—Supply circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
JP2010522998A 2007-08-31 2008-07-17 適切な条件の下で信号電力を低減する制御ユニットを有するｒｆ回路 Active JP5489172B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/849,124 2007-08-31
US11/849,124 US7941110B2 (en) 2007-07-23 2007-08-31 RF circuit with control unit to reduce signal power under appropriate conditions
PCT/US2008/070327 WO2009032408A1 (en) 2007-08-31 2008-07-17 Rf circuit with control unit to reduce signal power under appropriate conditions

Publications (3)

Publication Number Publication Date
JP2010538540A JP2010538540A (ja) 2010-12-09
JP2010538540A5 JP2010538540A5 (cg-RX-API-DMAC7.html) 2011-09-01
JP5489172B2 true JP5489172B2 (ja) 2014-05-14

Family

ID=40295831

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010522998A Active JP5489172B2 (ja) 2007-08-31 2008-07-17 適切な条件の下で信号電力を低減する制御ユニットを有するｒｆ回路

Country Status (4)

Country Link
US (1) US7941110B2 (cg-RX-API-DMAC7.html)
JP (1) JP5489172B2 (cg-RX-API-DMAC7.html)
KR (1) KR101502644B1 (cg-RX-API-DMAC7.html)
WO (1) WO2009032408A1 (cg-RX-API-DMAC7.html)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8854019B1 (en) 2008-09-25 2014-10-07 Rf Micro Devices, Inc. Hybrid DC/DC power converter with charge-pump and buck converter
US8554136B2 (en) 2008-12-23 2013-10-08 Waveconnex, Inc. Tightly-coupled near-field communication-link connector-replacement chips
US9322904B2 (en) 2011-06-15 2016-04-26 Keyssa, Inc. Proximity sensing using EHF signals
US9166471B1 (en) 2009-03-13 2015-10-20 Rf Micro Devices, Inc. 3D frequency dithering for DC-to-DC converters used in multi-mode cellular transmitters
US8315576B2 (en) 2009-05-05 2012-11-20 Rf Micro Devices, Inc. Capacitive compensation of cascaded directional couplers
US8548398B2 (en) 2010-02-01 2013-10-01 Rf Micro Devices, Inc. Envelope power supply calibration of a multi-mode radio frequency power amplifier
US8538355B2 (en) 2010-04-19 2013-09-17 Rf Micro Devices, Inc. Quadrature power amplifier architecture
US8989685B2 (en) 2010-04-20 2015-03-24 Rf Micro Devices, Inc. Look-up table based configuration of multi-mode multi-band radio frequency power amplifier circuitry
US8515361B2 (en) 2010-04-20 2013-08-20 Rf Micro Devices, Inc. Frequency correction of a programmable frequency oscillator by propagation delay compensation
US8811921B2 (en) 2010-04-20 2014-08-19 Rf Micro Devices, Inc. Independent PA biasing of a driver stage and a final stage
US9214900B2 (en) 2010-04-20 2015-12-15 Rf Micro Devices, Inc. Interference reduction between RF communications bands
US9077405B2 (en) 2010-04-20 2015-07-07 Rf Micro Devices, Inc. High efficiency path based power amplifier circuitry
US8811920B2 (en) 2010-04-20 2014-08-19 Rf Micro Devices, Inc. DC-DC converter semiconductor die structure
US8712349B2 (en) 2010-04-20 2014-04-29 Rf Micro Devices, Inc. Selecting a converter operating mode of a PA envelope power supply
US9553550B2 (en) 2010-04-20 2017-01-24 Qorvo Us, Inc. Multiband RF switch ground isolation
US8892063B2 (en) 2010-04-20 2014-11-18 Rf Micro Devices, Inc. Linear mode and non-linear mode quadrature PA circuitry
US9030256B2 (en) 2010-04-20 2015-05-12 Rf Micro Devices, Inc. Overlay class F choke
US8983407B2 (en) 2010-04-20 2015-03-17 Rf Micro Devices, Inc. Selectable PA bias temperature compensation circuitry
US8571492B2 (en) 2010-04-20 2013-10-29 Rf Micro Devices, Inc. DC-DC converter current sensing
US8559898B2 (en) 2010-04-20 2013-10-15 Rf Micro Devices, Inc. Embedded RF PA temperature compensating bias transistor
US8942651B2 (en) 2010-04-20 2015-01-27 Rf Micro Devices, Inc. Cascaded converged power amplifier
US9362825B2 (en) 2010-04-20 2016-06-07 Rf Micro Devices, Inc. Look-up table based configuration of a DC-DC converter
US9577590B2 (en) 2010-04-20 2017-02-21 Qorvo Us, Inc. Dual inductive element charge pump buck and buck power supplies
US8565694B2 (en) 2010-04-20 2013-10-22 Rf Micro Devices, Inc. Split current current digital-to-analog converter (IDAC) for dynamic device switching (DDS) of an RF PA stage
US8947157B2 (en) 2010-04-20 2015-02-03 Rf Micro Devices, Inc. Voltage multiplier charge pump buck
US8706063B2 (en) 2010-04-20 2014-04-22 Rf Micro Devices, Inc. PA envelope power supply undershoot compensation
US9008597B2 (en) 2010-04-20 2015-04-14 Rf Micro Devices, Inc. Direct current (DC)-DC converter having a multi-stage output filter
US8942650B2 (en) 2010-04-20 2015-01-27 Rf Micro Devices, Inc. RF PA linearity requirements based converter operating mode selection
US9214865B2 (en) 2010-04-20 2015-12-15 Rf Micro Devices, Inc. Voltage compatible charge pump buck and buck power supplies
US8913967B2 (en) 2010-04-20 2014-12-16 Rf Micro Devices, Inc. Feedback based buck timing of a direct current (DC)-DC converter
US8731498B2 (en) 2010-04-20 2014-05-20 Rf Micro Devices, Inc. Temperature correcting an envelope power supply signal for RF PA circuitry
US8699973B2 (en) * 2010-04-20 2014-04-15 Rf Micro Devices, Inc. PA bias power supply efficiency optimization
US8842399B2 (en) 2010-04-20 2014-09-23 Rf Micro Devices, Inc. ESD protection of an RF PA semiconductor die using a PA controller semiconductor die
US8913971B2 (en) 2010-04-20 2014-12-16 Rf Micro Devices, Inc. Selecting PA bias levels of RF PA circuitry during a multislot burst
US9184701B2 (en) 2010-04-20 2015-11-10 Rf Micro Devices, Inc. Snubber for a direct current (DC)-DC converter
US9048787B2 (en) 2010-04-20 2015-06-02 Rf Micro Devices, Inc. Combined RF detector and RF attenuator with concurrent outputs
US8542061B2 (en) 2010-04-20 2013-09-24 Rf Micro Devices, Inc. Charge pump based power amplifier envelope power supply and bias power supply
US9900204B2 (en) 2010-04-20 2018-02-20 Qorvo Us, Inc. Multiple functional equivalence digital communications interface
US8983410B2 (en) 2010-04-20 2015-03-17 Rf Micro Devices, Inc. Configurable 2-wire/3-wire serial communications interface
US8958763B2 (en) 2010-04-20 2015-02-17 Rf Micro Devices, Inc. PA bias power supply undershoot compensation
US8831544B2 (en) 2010-04-20 2014-09-09 Rf Micro Devices, Inc. Dynamic device switching (DDS) of an in-phase RF PA stage and a quadrature-phase RF PA stage
US8611836B2 (en) * 2010-08-25 2013-12-17 Skyworks Solutions, Inc. Amplifier gain adjustment in response to reduced supply voltage
EP2689492B1 (en) 2011-03-24 2020-01-08 Keyssa, Inc. Integrated circuit with electromagnetic communication
US8811526B2 (en) 2011-05-31 2014-08-19 Keyssa, Inc. Delta modulated low power EHF communication link
TWI633766B (zh) 2011-10-21 2018-08-21 奇沙公司 用於非接觸的訊號編接的裝置和系統
US9065505B2 (en) 2012-01-31 2015-06-23 Rf Micro Devices, Inc. Optimal switching frequency for envelope tracking power supply
CN104641505B (zh) 2012-08-10 2018-06-19 凯萨股份有限公司 用于ehf通信的电介质耦合系统
US9374154B2 (en) 2012-09-14 2016-06-21 Keyssa, Inc. Wireless connections with virtual hysteresis
US9531425B2 (en) 2012-12-17 2016-12-27 Keyssa, Inc. Modular electronics
US20220139137A1 (en) * 2013-02-07 2022-05-05 Ikeyless, Llc System, method and apparatus for multi-vendor rolling code keyless entry and for identifying and storing key information and creating duplicate keys and remote entry devices
US9426660B2 (en) 2013-03-15 2016-08-23 Keyssa, Inc. EHF secure communication device
KR101700789B1 (ko) * 2013-03-15 2017-01-31 키사, 아이엔씨. 극고주파 통신 칩
US9483068B2 (en) * 2013-04-19 2016-11-01 Nvidia Corporation Estimating and monitoring the effects of transistor aging
CN104104399B (zh) * 2014-07-10 2016-06-29 哈尔滨海能达科技有限公司 一种无线通信系统及其发射模块
CN108990140B (zh) * 2018-08-31 2021-08-17 北京小米移动软件有限公司 确定射频功率的方法及电子设备
US11338811B2 (en) * 2019-09-05 2022-05-24 Aptiv Technologies Limited Mode selector module for a vehicle component

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5518155A (en) 1978-07-25 1980-02-08 Nec Corp Power amplifier
US5192919A (en) 1991-10-03 1993-03-09 Motorola, Inc. Transmitter having a temperature adjusted power amplifier
US5524285A (en) 1993-11-02 1996-06-04 Wray; Anthony J. Radio transmitter with power amplifier and linearization
JPH0946264A (ja) 1995-07-26 1997-02-14 Oki Electric Ind Co Ltd 線形変調無線送受信装置及びその電力制御方法
US6008698A (en) * 1998-05-18 1999-12-28 Omnipoint Corporation Amplifier with dynamically adaptable supply current
US6430402B1 (en) * 1998-09-14 2002-08-06 Conexant Systems, Inc. Power amplifier saturation prevention method, apparatus, and communication system incorporating the same
US20020065062A1 (en) * 1998-09-25 2002-05-30 Christian Levesque Automatic gsm mobile power
FR2813487B1 (fr) * 2000-08-31 2002-11-29 Cit Alcatel Procede et dispositif de controle de l'amplification du signal emis par un terminal mobile permettant d'augmenter l'autonomie dudit terminal mobile
JP3477177B2 (ja) 2001-03-02 2003-12-10 株式会社東芝 無線機及び利得制御回路
US7062237B2 (en) * 2001-06-05 2006-06-13 Telefonaktiebolaget Lm Ericsson (Publ) Power amplifier (PA) with improved power regulation
US7058139B2 (en) 2001-11-16 2006-06-06 Koninklijke Philips Electronics N.V. Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information
JP2004187467A (ja) * 2002-12-06 2004-07-02 Century Corp 携帯電話用の臨時電源
US6903608B2 (en) 2003-10-30 2005-06-07 Sige Semiconductor Inc. Power level controlling of first amplification stage for an integrated RF power amplifier
US7215972B2 (en) 2003-12-09 2007-05-08 Freescale Semiconductor, Inc. Adaptive transmit power control system
US20050227646A1 (en) * 2004-03-18 2005-10-13 Ryo Yamazaki Detecting and maintaining linearity in a power amplifier system through comparing peak and RMS power levels
US7539466B2 (en) 2004-12-14 2009-05-26 Motorola, Inc. Amplifier with varying supply voltage and input attenuation based upon supply voltage
US7224215B2 (en) 2004-12-28 2007-05-29 Sony Ericsson Mobile Communications Ab Intelligent RF power control for wireless modem devices
JP2007116651A (ja) * 2005-09-22 2007-05-10 Renesas Technology Corp 高周波電力増幅用電子部品および無線通信装置
JP5150061B2 (ja) * 2006-04-13 2013-02-20 日本電気株式会社 信号処理回路

Also Published As

Publication number Publication date
US7941110B2 (en) 2011-05-10
KR101502644B1 (ko) 2015-03-13
US20090029659A1 (en) 2009-01-29
KR20100047301A (ko) 2010-05-07
JP2010538540A (ja) 2010-12-09
WO2009032408A1 (en) 2009-03-12

Similar Documents

Publication Publication Date Title
JP5489172B2 (ja) 適切な条件の下で信号電力を低減する制御ユニットを有するｒｆ回路
TWI235545B (en) Gain linearizer for variable gain amplifiers
EP1776753B1 (en) System and method for current-mode amplitude modulation
KR101061953B1 (ko) 가변 이득 증폭기 시스템
US7893668B2 (en) Voltage regulator with high voltage protection
US8040186B2 (en) Radio frequency amplifier circuit and mobile communication terminal using the same
US7974049B2 (en) Over-current protection in linear regulators
US9225298B2 (en) System and method for power amplifier over-voltage protection
JP4139329B2 (ja) 増幅器パワー検出回路
US6452454B1 (en) Temperature compensation module
JP2011172206A (ja) 高周波電力増幅器及びそれを備える無線通信装置
US8248163B2 (en) Saturation protection of a regulated voltage
KR20000005825A (ko) 전력증폭회로와안정화회로를구비하는무선주파수장치와,이러한장치를구비하는이동트랜시버단말기
JP4549863B2 (ja) 線形電力増幅器において零入力電流の動的制御を可能にする自己適応型バイアス回路
CN108900167B (zh) 阻抗补偿电路及功率放大补偿电路
JP2006510291A (ja) 線形電力増幅器において零入力電流の動的制御を可能にするスライディング・バイアス回路
EP2509215B1 (en) Power amplifier circuit with means for tuning wave shape of ASK RF signal envelope, and method for implementing the power amplifier circuit
US8135364B2 (en) Method and apparatus for controling output power of communication equipment
CN114578884A (zh) 线性稳压器和具有线性稳压器的系统

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110708

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110708

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20120227

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20121106

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20121113

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130208

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20130827

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20131220

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20140107

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: 20140128

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20140219

R150 Certificate of patent or registration of utility model

Ref document number: 5489172

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

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

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250