KR101502644B1 - 적절한 상태 하에 신호 전력을 줄이는 제어 유닛을 갖는 rf 회로 - Google Patents
적절한 상태 하에 신호 전력을 줄이는 제어 유닛을 갖는 rf 회로 Download PDFInfo
- Publication number
- KR101502644B1 KR101502644B1 KR1020107004436A KR20107004436A KR101502644B1 KR 101502644 B1 KR101502644 B1 KR 101502644B1 KR 1020107004436 A KR1020107004436 A KR 1020107004436A KR 20107004436 A KR20107004436 A KR 20107004436A KR 101502644 B1 KR101502644 B1 KR 101502644B1
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- KR
- South Korea
- Prior art keywords
- signal
- power
- current
- output signal
- offset
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- 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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- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/849,124 US7941110B2 (en) | 2007-07-23 | 2007-08-31 | RF circuit with control unit to reduce signal power under appropriate conditions |
| US11/849,124 | 2007-08-31 | ||
| PCT/US2008/070327 WO2009032408A1 (en) | 2007-08-31 | 2008-07-17 | Rf circuit with control unit to reduce signal power under appropriate conditions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20100047301A KR20100047301A (ko) | 2010-05-07 |
| KR101502644B1 true KR101502644B1 (ko) | 2015-03-13 |
Family
ID=40295831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020107004436A Active KR101502644B1 (ko) | 2007-08-31 | 2008-07-17 | 적절한 상태 하에 신호 전력을 줄이는 제어 유닛을 갖는 rf 회로 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7941110B2 (https=) |
| JP (1) | JP5489172B2 (https=) |
| KR (1) | KR101502644B1 (https=) |
| WO (1) | WO2009032408A1 (https=) |
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| 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 |
| US9553550B2 (en) | 2010-04-20 | 2017-01-24 | Qorvo Us, Inc. | Multiband RF switch ground isolation |
| US9900204B2 (en) | 2010-04-20 | 2018-02-20 | Qorvo Us, Inc. | Multiple functional equivalence digital communications interface |
| US8542061B2 (en) | 2010-04-20 | 2013-09-24 | Rf Micro Devices, Inc. | Charge pump based power amplifier envelope power supply and bias power supply |
| US8811920B2 (en) | 2010-04-20 | 2014-08-19 | Rf Micro Devices, Inc. | DC-DC converter semiconductor die structure |
| US9184701B2 (en) | 2010-04-20 | 2015-11-10 | Rf Micro Devices, Inc. | Snubber for a direct current (DC)-DC converter |
| US8942650B2 (en) | 2010-04-20 | 2015-01-27 | Rf Micro Devices, Inc. | RF PA linearity requirements based converter operating mode selection |
| US8913971B2 (en) | 2010-04-20 | 2014-12-16 | Rf Micro Devices, Inc. | Selecting PA bias levels of RF PA circuitry during a multislot burst |
| US8712349B2 (en) | 2010-04-20 | 2014-04-29 | Rf Micro Devices, Inc. | Selecting a converter operating mode of a PA envelope power supply |
| US8942651B2 (en) | 2010-04-20 | 2015-01-27 | Rf Micro Devices, Inc. | Cascaded converged power amplifier |
| 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 |
| US9362825B2 (en) | 2010-04-20 | 2016-06-07 | Rf Micro Devices, Inc. | Look-up table based configuration of a DC-DC converter |
| US9048787B2 (en) | 2010-04-20 | 2015-06-02 | Rf Micro Devices, Inc. | Combined RF detector and RF attenuator with concurrent outputs |
| US8515361B2 (en) | 2010-04-20 | 2013-08-20 | Rf Micro Devices, Inc. | Frequency correction of a programmable frequency oscillator by propagation delay compensation |
| US8983410B2 (en) | 2010-04-20 | 2015-03-17 | Rf Micro Devices, Inc. | Configurable 2-wire/3-wire serial communications interface |
| US9577590B2 (en) | 2010-04-20 | 2017-02-21 | Qorvo Us, Inc. | Dual inductive element charge pump buck and buck power supplies |
| US8892063B2 (en) | 2010-04-20 | 2014-11-18 | Rf Micro Devices, Inc. | Linear mode and non-linear mode quadrature PA circuitry |
| US8571492B2 (en) | 2010-04-20 | 2013-10-29 | Rf Micro Devices, Inc. | DC-DC converter current sensing |
| US8983407B2 (en) | 2010-04-20 | 2015-03-17 | Rf Micro Devices, Inc. | Selectable PA bias temperature compensation circuitry |
| US8958763B2 (en) | 2010-04-20 | 2015-02-17 | Rf Micro Devices, Inc. | PA bias power supply undershoot compensation |
| US9077405B2 (en) | 2010-04-20 | 2015-07-07 | Rf Micro Devices, Inc. | High efficiency path based power amplifier circuitry |
| US8699973B2 (en) * | 2010-04-20 | 2014-04-15 | Rf Micro Devices, Inc. | PA bias power supply efficiency optimization |
| US9214865B2 (en) | 2010-04-20 | 2015-12-15 | Rf Micro Devices, Inc. | Voltage compatible charge pump buck and buck power supplies |
| US8731498B2 (en) | 2010-04-20 | 2014-05-20 | Rf Micro Devices, Inc. | Temperature correcting an envelope power supply signal for RF PA circuitry |
| US8947157B2 (en) | 2010-04-20 | 2015-02-03 | Rf Micro Devices, Inc. | Voltage multiplier charge pump buck |
| US9214900B2 (en) | 2010-04-20 | 2015-12-15 | Rf Micro Devices, Inc. | Interference reduction between RF communications bands |
| US8913967B2 (en) | 2010-04-20 | 2014-12-16 | Rf Micro Devices, Inc. | Feedback based buck timing of a direct current (DC)-DC converter |
| US9030256B2 (en) | 2010-04-20 | 2015-05-12 | Rf Micro Devices, Inc. | Overlay class F choke |
| 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 |
| US8559898B2 (en) | 2010-04-20 | 2013-10-15 | Rf Micro Devices, Inc. | Embedded RF PA temperature compensating bias transistor |
| US9008597B2 (en) | 2010-04-20 | 2015-04-14 | Rf Micro Devices, Inc. | Direct current (DC)-DC converter having a multi-stage output filter |
| 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 |
| 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 |
| US8706063B2 (en) | 2010-04-20 | 2014-04-22 | Rf Micro Devices, Inc. | PA envelope power supply undershoot compensation |
| US8811921B2 (en) | 2010-04-20 | 2014-08-19 | Rf Micro Devices, Inc. | Independent PA biasing of a driver stage and a final stage |
| US8611836B2 (en) * | 2010-08-25 | 2013-12-17 | Skyworks Solutions, Inc. | Amplifier gain adjustment in response to reduced supply voltage |
| KR101615082B1 (ko) | 2011-03-24 | 2016-04-29 | 키사, 아이엔씨. | 전자기 통신의 집적회로 |
| US8811526B2 (en) | 2011-05-31 | 2014-08-19 | Keyssa, Inc. | Delta modulated low power EHF communication link |
| WO2013059802A1 (en) | 2011-10-21 | 2013-04-25 | Waveconnex, Inc. | Contactless signal splicing |
| US9065505B2 (en) | 2012-01-31 | 2015-06-23 | Rf Micro Devices, Inc. | Optimal switching frequency for envelope tracking power supply |
| US9515365B2 (en) | 2012-08-10 | 2016-12-06 | Keyssa, Inc. | Dielectric coupling systems for EHF communications |
| KR20150055030A (ko) | 2012-09-14 | 2015-05-20 | 키사, 아이엔씨. | 가상 히스테리시스를 이용한 무선 연결 |
| WO2014100058A1 (en) | 2012-12-17 | 2014-06-26 | Waveconnex, 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 |
| KR101886739B1 (ko) | 2013-03-15 | 2018-08-09 | 키사, 아이엔씨. | 극고주파 통신 칩 |
| EP2974504B1 (en) | 2013-03-15 | 2018-06-20 | Keyssa, Inc. | Ehf secure communication device |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002141814A (ja) * | 2000-08-31 | 2002-05-17 | Alcatel | 移動端末の送信信号を増幅制御して、移動端末の連続動作能力を高める方法および装置 |
| 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 |
Family Cites Families (17)
| 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 |
| 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 |
| JP5150061B2 (ja) * | 2006-04-13 | 2013-02-20 | 日本電気株式会社 | 信号処理回路 |
-
2007
- 2007-08-31 US US11/849,124 patent/US7941110B2/en active Active
-
2008
- 2008-07-17 JP JP2010522998A patent/JP5489172B2/ja active Active
- 2008-07-17 KR KR1020107004436A patent/KR101502644B1/ko active Active
- 2008-07-17 WO PCT/US2008/070327 patent/WO2009032408A1/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002141814A (ja) * | 2000-08-31 | 2002-05-17 | Alcatel | 移動端末の送信信号を増幅制御して、移動端末の連続動作能力を高める方法および装置 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090029659A1 (en) | 2009-01-29 |
| WO2009032408A1 (en) | 2009-03-12 |
| KR20100047301A (ko) | 2010-05-07 |
| US7941110B2 (en) | 2011-05-10 |
| JP5489172B2 (ja) | 2014-05-14 |
| JP2010538540A (ja) | 2010-12-09 |
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