NO20045558L - Fremgangsmate og system for total digital forsterkningskontroll - Google Patents

Fremgangsmate og system for total digital forsterkningskontroll

Info

Publication number
NO20045558L
NO20045558L NO20045558A NO20045558A NO20045558L NO 20045558 L NO20045558 L NO 20045558L NO 20045558 A NO20045558 A NO 20045558A NO 20045558 A NO20045558 A NO 20045558A NO 20045558 L NO20045558 L NO 20045558L
Authority
NO
Norway
Prior art keywords
digital
analog
word size
gain control
digital signal
Prior art date
Application number
NO20045558A
Other languages
English (en)
Norwegian (no)
Inventor
Leonid Kazakevich
Rui Yang
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of NO20045558L publication Critical patent/NO20045558L/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/40Monitoring; Testing of relay systems
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/06Volume compression or expansion in amplifiers having semiconductor devices
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/001Digital control of analog signals
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • H03M1/1235Non-linear conversion not otherwise provided for in subgroups of H03M1/12

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Analogue/Digital Conversion (AREA)
  • Circuits Of Receivers In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
NO20045558A 2002-06-11 2004-12-20 Fremgangsmate og system for total digital forsterkningskontroll NO20045558L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38812202P 2002-06-11 2002-06-11
US10/330,749 US7233624B2 (en) 2002-06-11 2002-12-27 Method and system for all digital gain control
PCT/US2003/017857 WO2003104925A2 (en) 2002-06-11 2003-06-05 Method and system for all digital gain control

Publications (1)

Publication Number Publication Date
NO20045558L true NO20045558L (no) 2004-12-20

Family

ID=29715005

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20045558A NO20045558L (no) 2002-06-11 2004-12-20 Fremgangsmate og system for total digital forsterkningskontroll

Country Status (14)

Country Link
US (4) US7233624B2 (ko)
EP (1) EP1512237B1 (ko)
JP (3) JP3987854B2 (ko)
KR (3) KR100914700B1 (ko)
CN (1) CN1669251A (ko)
AT (1) ATE387765T1 (ko)
AU (1) AU2003238924A1 (ko)
CA (1) CA2488750A1 (ko)
DE (1) DE60319373T2 (ko)
ES (1) ES2301802T3 (ko)
MX (1) MXPA04012483A (ko)
NO (1) NO20045558L (ko)
TW (4) TWI369071B (ko)
WO (1) WO2003104925A2 (ko)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6895247B2 (en) * 2001-11-01 2005-05-17 Ericsson, Inc. System and method for obtaining optimum RF performance when co-siting cellular base stations
US7233624B2 (en) * 2002-06-11 2007-06-19 Interdigital Technology Corporation Method and system for all digital gain control
US7769108B1 (en) * 2004-12-17 2010-08-03 The United States Of America As Represented By The Secretary Of The Air Force Digital receiver instantaneous dynamic range enhancement
US8089854B2 (en) * 2007-04-03 2012-01-03 Qualcomm, Incorporated Companded transmit path for wireless communication
GB0723892D0 (en) * 2007-12-06 2008-01-16 Cambridge Silicon Radio Ltd Adaptive IQ alignment apparatus
CN101257319B (zh) * 2008-04-09 2011-07-20 浙江大学 一种全数字对数自动增益控制装置及方法
WO2010120768A2 (en) * 2009-04-13 2010-10-21 Viasat, Inc. Active hybrids for antenna systems
US8693970B2 (en) 2009-04-13 2014-04-08 Viasat, Inc. Multi-beam active phased array architecture with independant polarization control
US10516219B2 (en) 2009-04-13 2019-12-24 Viasat, Inc. Multi-beam active phased array architecture with independent polarization control
US9112452B1 (en) 2009-07-14 2015-08-18 Rf Micro Devices, Inc. High-efficiency power supply for a modulated load
US8633766B2 (en) 2010-04-19 2014-01-21 Rf Micro Devices, Inc. Pseudo-envelope follower power management system with high frequency ripple current compensation
WO2011133542A1 (en) 2010-04-19 2011-10-27 Rf Micro Devices, Inc. Pseudo-envelope following power management system
US9099961B2 (en) 2010-04-19 2015-08-04 Rf Micro Devices, Inc. Output impedance compensation of a pseudo-envelope follower power management system
US9431974B2 (en) 2010-04-19 2016-08-30 Qorvo Us, Inc. Pseudo-envelope following feedback delay compensation
US8519788B2 (en) 2010-04-19 2013-08-27 Rf Micro Devices, Inc. Boost charge-pump with fractional ratio and offset loop for supply modulation
US8981848B2 (en) 2010-04-19 2015-03-17 Rf Micro Devices, Inc. Programmable delay circuitry
US8571498B2 (en) 2010-08-25 2013-10-29 Rf Micro Devices, Inc. Multi-mode/multi-band power management system
US9954436B2 (en) 2010-09-29 2018-04-24 Qorvo Us, Inc. Single μC-buckboost converter with multiple regulated supply outputs
US9075673B2 (en) * 2010-11-16 2015-07-07 Rf Micro Devices, Inc. Digital fast dB to gain multiplier for envelope tracking systems
US8588713B2 (en) 2011-01-10 2013-11-19 Rf Micro Devices, Inc. Power management system for multi-carriers transmitter
US8611402B2 (en) 2011-02-02 2013-12-17 Rf Micro Devices, Inc. Fast envelope system calibration
EP2673880B1 (en) 2011-02-07 2017-09-06 Qorvo US, Inc. Group delay calibration method for power amplifier envelope tracking
US8624760B2 (en) 2011-02-07 2014-01-07 Rf Micro Devices, Inc. Apparatuses and methods for rate conversion and fractional delay calculation using a coefficient look up table
US9247496B2 (en) 2011-05-05 2016-01-26 Rf Micro Devices, Inc. Power loop control based envelope tracking
US9379667B2 (en) 2011-05-05 2016-06-28 Rf Micro Devices, Inc. Multiple power supply input parallel amplifier based envelope tracking
US9246460B2 (en) 2011-05-05 2016-01-26 Rf Micro Devices, Inc. Power management architecture for modulated and constant supply operation
CN103748794B (zh) 2011-05-31 2015-09-16 射频小型装置公司 一种用于测量发射路径的复数增益的方法和设备
US9019011B2 (en) 2011-06-01 2015-04-28 Rf Micro Devices, Inc. Method of power amplifier calibration for an envelope tracking system
US8760228B2 (en) 2011-06-24 2014-06-24 Rf Micro Devices, Inc. Differential power management and power amplifier architecture
US8626091B2 (en) 2011-07-15 2014-01-07 Rf Micro Devices, Inc. Envelope tracking with variable compression
WO2013012787A2 (en) 2011-07-15 2013-01-24 Rf Micro Devices, Inc. Modified switching ripple for envelope tracking system
US8952710B2 (en) 2011-07-15 2015-02-10 Rf Micro Devices, Inc. Pulsed behavior modeling with steady state average conditions
US9263996B2 (en) 2011-07-20 2016-02-16 Rf Micro Devices, Inc. Quasi iso-gain supply voltage function for envelope tracking systems
US8618868B2 (en) 2011-08-17 2013-12-31 Rf Micro Devices, Inc. Single charge-pump buck-boost for providing independent voltages
WO2013033700A1 (en) 2011-09-02 2013-03-07 Rf Micro Devices, Inc. Split vcc and common vcc power management architecture for envelope tracking
US8957728B2 (en) 2011-10-06 2015-02-17 Rf Micro Devices, Inc. Combined filter and transconductance amplifier
US9024688B2 (en) 2011-10-26 2015-05-05 Rf Micro Devices, Inc. Dual parallel amplifier based DC-DC converter
CN103988406B (zh) 2011-10-26 2017-03-01 Qorvo美国公司 射频(rf)开关转换器以及使用rf开关转换器的rf放大装置
US9484797B2 (en) 2011-10-26 2016-11-01 Qorvo Us, Inc. RF switching converter with ripple correction
CN103959189B (zh) 2011-10-26 2015-12-23 射频小型装置公司 基于电感的并行放大器相位补偿
US8699626B2 (en) 2011-11-29 2014-04-15 Viasat, Inc. General purpose hybrid
US8975959B2 (en) 2011-11-30 2015-03-10 Rf Micro Devices, Inc. Monotonic conversion of RF power amplifier calibration data
US9250643B2 (en) 2011-11-30 2016-02-02 Rf Micro Devices, Inc. Using a switching signal delay to reduce noise from a switching power supply
US9515621B2 (en) 2011-11-30 2016-12-06 Qorvo Us, Inc. Multimode RF amplifier system
US9280163B2 (en) 2011-12-01 2016-03-08 Rf Micro Devices, Inc. Average power tracking controller
US9041365B2 (en) 2011-12-01 2015-05-26 Rf Micro Devices, Inc. Multiple mode RF power converter
US9041364B2 (en) 2011-12-01 2015-05-26 Rf Micro Devices, Inc. RF power converter
US8947161B2 (en) 2011-12-01 2015-02-03 Rf Micro Devices, Inc. Linear amplifier power supply modulation for envelope tracking
US9256234B2 (en) 2011-12-01 2016-02-09 Rf Micro Devices, Inc. Voltage offset loop for a switching controller
US9494962B2 (en) 2011-12-02 2016-11-15 Rf Micro Devices, Inc. Phase reconfigurable switching power supply
US9813036B2 (en) 2011-12-16 2017-11-07 Qorvo Us, Inc. Dynamic loadline power amplifier with baseband linearization
US9298198B2 (en) 2011-12-28 2016-03-29 Rf Micro Devices, Inc. Noise reduction for envelope tracking
US8981839B2 (en) 2012-06-11 2015-03-17 Rf Micro Devices, Inc. Power source multiplexer
CN104662792B (zh) 2012-07-26 2017-08-08 Qorvo美国公司 用于包络跟踪的可编程rf陷波滤波器
US9225231B2 (en) 2012-09-14 2015-12-29 Rf Micro Devices, Inc. Open loop ripple cancellation circuit in a DC-DC converter
US9197256B2 (en) 2012-10-08 2015-11-24 Rf Micro Devices, Inc. Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal
US9207692B2 (en) 2012-10-18 2015-12-08 Rf Micro Devices, Inc. Transitioning from envelope tracking to average power tracking
US9627975B2 (en) 2012-11-16 2017-04-18 Qorvo Us, Inc. Modulated power supply system and method with automatic transition between buck and boost modes
US9300252B2 (en) 2013-01-24 2016-03-29 Rf Micro Devices, Inc. Communications based adjustments of a parallel amplifier power supply
US9178472B2 (en) 2013-02-08 2015-11-03 Rf Micro Devices, Inc. Bi-directional power supply signal based linear amplifier
WO2014152903A2 (en) 2013-03-14 2014-09-25 Rf Micro Devices, Inc Envelope tracking power supply voltage dynamic range reduction
US9203353B2 (en) 2013-03-14 2015-12-01 Rf Micro Devices, Inc. Noise conversion gain limited RF power amplifier
US9479118B2 (en) 2013-04-16 2016-10-25 Rf Micro Devices, Inc. Dual instantaneous envelope tracking
US9374005B2 (en) 2013-08-13 2016-06-21 Rf Micro Devices, Inc. Expanded range DC-DC converter
US9614476B2 (en) 2014-07-01 2017-04-04 Qorvo Us, Inc. Group delay calibration of RF envelope tracking
CN104954032B (zh) * 2015-05-22 2018-01-26 豪威科技(上海)有限公司 无线接收机及其使用方法
US9941844B2 (en) 2015-07-01 2018-04-10 Qorvo Us, Inc. Dual-mode envelope tracking power converter circuitry
US9912297B2 (en) 2015-07-01 2018-03-06 Qorvo Us, Inc. Envelope tracking power converter circuitry
US9973147B2 (en) 2016-05-10 2018-05-15 Qorvo Us, Inc. Envelope tracking power management circuit
US10542443B2 (en) * 2017-10-27 2020-01-21 Keysight Technologies, Inc. Methods, systems, and computer readable media for testing long term evolution (LTE) air interface device using emulated noise in unassigned resource blocks (RBs)
US10476437B2 (en) 2018-03-15 2019-11-12 Qorvo Us, Inc. Multimode voltage tracker circuit
US11089495B2 (en) 2019-07-11 2021-08-10 Keysight Technologies, Inc. Methods, systems, and computer readable media for testing radio access network nodes by emulating band-limited radio frequency (RF) and numerology-capable UEs in a wideband 5G network
CN111030713A (zh) * 2019-10-30 2020-04-17 创达特(苏州)科技有限责任公司 一种抗瞬态脉冲干扰装置及方法

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132985A (en) * 1972-08-03 1979-01-02 Minolta Camera Kabushiki Kaisha Automatic control device for cameras
SE388747B (sv) * 1975-08-04 1976-10-11 Hartmut Traunmuller Sett att presentera ur en elektroakustisk signal utvunnen information for dova, samt anordning for utforande av settet
US4124773A (en) * 1976-11-26 1978-11-07 Robin Elkins Audio storage and distribution system
US4189625A (en) * 1978-03-13 1980-02-19 Strandberg Terry W Method and apparatus for processing dual frequency digital information signals
US4250470A (en) * 1978-06-28 1981-02-10 Communications Satellite Corporation Syllabic compander with logarithmic chain
DE3883337D1 (ko) * 1987-10-06 1993-09-23 Peicom Sound Systems Gmbh, 6380 Bad Homburg, De
US5287556A (en) * 1990-09-28 1994-02-15 Motorola, Inc. Interference reduction using an adaptive receiver filter, signal strength, and BER sensing
JPH0575655A (ja) * 1991-09-13 1993-03-26 Sony Corp データ再生装置
JP3241098B2 (ja) 1992-06-12 2001-12-25 株式会社東芝 多方式対応の受信装置
EP0595406A1 (en) 1992-10-26 1994-05-04 Koninklijke Philips Electronics N.V. Radio device with signal compression
TW234229B (ko) 1992-10-26 1994-11-11 Philips Electronics Nv
JPH06164390A (ja) 1992-11-24 1994-06-10 Roland Corp 圧縮伸張装置
JPH06244888A (ja) * 1993-02-12 1994-09-02 Fujitsu Ltd Qam復調器
US5446761A (en) * 1993-06-11 1995-08-29 Motorola, Inc. Decoder circuit for phase modulated signals
KR100386020B1 (ko) * 1994-07-29 2003-10-04 콸콤 인코포레이티드 Cdma통신시스템에서탐색포착을수행하기위한방법및장치
US5572452A (en) * 1995-02-03 1996-11-05 Telefonaktiebolaget Lm Ericsson Filter with feed-forward AGC
JP3087627B2 (ja) 1995-09-30 2000-09-11 日本電気株式会社 復調装置
JP3955965B2 (ja) 1999-02-15 2007-08-08 株式会社ケンウッド 広帯域ディジタル受信機
US6577262B1 (en) * 1999-12-22 2003-06-10 Koninklijke Philips Electronics N.V. Compander for power control in a ballast
US6459889B1 (en) * 2000-02-29 2002-10-01 Motorola, Inc. DC offset correction loop for radio receiver
JP4379658B2 (ja) * 2000-06-20 2009-12-09 パナソニック株式会社 受信装置
JP2002094424A (ja) * 2000-09-19 2002-03-29 Nec Corp 受信装置
JP3518743B2 (ja) * 2000-10-05 2004-04-12 日本電気株式会社 多値ディジタル復調システム
JP3695316B2 (ja) * 2000-11-24 2005-09-14 株式会社日本自動車部品総合研究所 スペクトラム拡散受信機の相関検出器
US20030002578A1 (en) * 2000-12-11 2003-01-02 Ikuo Tsukagoshi System and method for timeshifting the encoding/decoding of audio/visual signals in real-time
US20030002576A1 (en) * 2001-06-29 2003-01-02 Whitehead David E. Apparatus and method for compression of data in protection and control communications between protective relays in a power system
US6510188B1 (en) * 2001-07-26 2003-01-21 Wideband Computers, Inc. All digital automatic gain control circuit
US7013117B2 (en) * 2002-03-25 2006-03-14 Broadcom Corporation Analog power detection for gain control operations
US7233624B2 (en) * 2002-06-11 2007-06-19 Interdigital Technology Corporation Method and system for all digital gain control

Also Published As

Publication number Publication date
US20090190699A1 (en) 2009-07-30
CN1669251A (zh) 2005-09-14
US7391814B2 (en) 2008-06-24
WO2003104925A2 (en) 2003-12-18
TWI313976B (en) 2009-08-21
US20080240259A1 (en) 2008-10-02
MXPA04012483A (es) 2005-02-17
JP3987854B2 (ja) 2007-10-10
TWI292655B (en) 2008-01-11
US7532671B2 (en) 2009-05-12
KR20050010873A (ko) 2005-01-28
US20030228853A1 (en) 2003-12-11
EP1512237A2 (en) 2005-03-09
TWI393359B (zh) 2013-04-11
JP2007295620A (ja) 2007-11-08
JP4227129B2 (ja) 2009-02-18
EP1512237A4 (en) 2005-11-30
TW200501589A (en) 2005-01-01
KR20050096199A (ko) 2005-10-05
ATE387765T1 (de) 2008-03-15
KR100914700B1 (ko) 2009-08-28
US7233624B2 (en) 2007-06-19
EP1512237B1 (en) 2008-02-27
KR20070114231A (ko) 2007-11-29
JP2006060858A (ja) 2006-03-02
KR100768054B1 (ko) 2007-10-18
US20070206684A1 (en) 2007-09-06
TWI369071B (en) 2012-07-21
JP2005530385A (ja) 2005-10-06
AU2003238924A8 (en) 2003-12-22
AU2003238924A1 (en) 2003-12-22
DE60319373D1 (de) 2008-04-10
DE60319373T2 (de) 2009-02-19
WO2003104925A3 (en) 2004-02-26
TW200715705A (en) 2007-04-16
CA2488750A1 (en) 2003-12-18
US8098742B2 (en) 2012-01-17
TW201021440A (en) 2010-06-01
KR100998544B1 (ko) 2010-12-07
TW200401500A (en) 2004-01-16
ES2301802T3 (es) 2008-07-01

Similar Documents

Publication Publication Date Title
NO20045558L (no) Fremgangsmate og system for total digital forsterkningskontroll
TW376639B (en) Method and circuit for adaptively enhancing contour components of a luminance signal
TW200711294A (en) Automatic gain control using multi-comparators
WO2003045109A3 (en) Improved dynamic range analog to digital converter suitable for hearing aid applications
TW200632857A (en) Gamma correction apparatus and methods thereof
SE8008240L (sv) Forsterkningsregleringsanordning for digitaltelefonlinjekretsar
ATE421808T1 (de) Vorrichtungen zur signal-spreizung bzw. - entspreizung zur einhaltung einer zulässigen ausseraxialen leistungsspektraldichte in der funkkommunikation
TW200505170A (en) Analog-to-digital converting circuit and image processing circuit cyclically repeating AD conversion
ATE421813T1 (de) Analogsignal-sampler zur bereitstellung einer digitalen repräsentation davon
TW200623607A (en) Apparatus and method for receiving inputted signal
JPS55151820A (en) Analog-digital converter
US6577262B1 (en) Compander for power control in a ballast
AU2003239257A1 (en) Receiver signal strength indication
Stojcevski et al. A reconfigurable analog-to-digital converter for UTRA-TDD mobile terminal receiver
JPS5630322A (en) D/a converter
WO2004042931A3 (en) Configurable function implementing system and digital to analogue converters
JPS5789177A (en) Electronic translation device
Wu et al. A Novel low power high dynamic range all CMOS Current-mode AGC
JPS594321A (ja) 音声起動回路
JPS54115009A (en) Processor for analog signal
GB879400A (en) Improvements in or relating to television apparatus
JPS5455111A (en) Digital agc system
JPS5582539A (en) Non-linear ad conversion circuit
TW200640134A (en) Signal sampling apparatus and method
KR960008787A (ko) 오디오신호 등화레벨 제어장치

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application