ATE520199T1 - Verbesserungen an oder im zusammenhang mit funkempfängern - Google Patents

Verbesserungen an oder im zusammenhang mit funkempfängern

Info

Publication number
ATE520199T1
ATE520199T1 AT09703960T AT09703960T ATE520199T1 AT E520199 T1 ATE520199 T1 AT E520199T1 AT 09703960 T AT09703960 T AT 09703960T AT 09703960 T AT09703960 T AT 09703960T AT E520199 T1 ATE520199 T1 AT E520199T1
Authority
AT
Austria
Prior art keywords
frequency
converter
signal
analogue
input
Prior art date
Application number
AT09703960T
Other languages
English (en)
Inventor
Timothy Ridgers
Guillou Yann Le
Fernand Courtois
Original Assignee
Nxp Bv
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 Bv filed Critical Nxp Bv
Application granted granted Critical
Publication of ATE520199T1 publication Critical patent/ATE520199T1/de

Links

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • 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
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • 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
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
AT09703960T 2008-01-25 2009-01-20 Verbesserungen an oder im zusammenhang mit funkempfängern ATE520199T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08100940 2008-01-25
PCT/IB2009/050197 WO2009093172A1 (en) 2008-01-25 2009-01-20 Improvements in or relating to radio receivers

Publications (1)

Publication Number Publication Date
ATE520199T1 true ATE520199T1 (de) 2011-08-15

Family

ID=40578419

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09703960T ATE520199T1 (de) 2008-01-25 2009-01-20 Verbesserungen an oder im zusammenhang mit funkempfängern

Country Status (5)

Country Link
US (1) US8249535B2 (de)
EP (1) EP2248257B1 (de)
CN (1) CN101933229A (de)
AT (1) ATE520199T1 (de)
WO (1) WO2009093172A1 (de)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012075343A2 (en) 2010-12-03 2012-06-07 Cirrus Logic, Inc. Oversight control of an adaptive noise canceler in a personal audio device
US8908877B2 (en) 2010-12-03 2014-12-09 Cirrus Logic, Inc. Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices
US9214150B2 (en) 2011-06-03 2015-12-15 Cirrus Logic, Inc. Continuous adaptation of secondary path adaptive response in noise-canceling personal audio devices
US9318094B2 (en) 2011-06-03 2016-04-19 Cirrus Logic, Inc. Adaptive noise canceling architecture for a personal audio device
US8958571B2 (en) * 2011-06-03 2015-02-17 Cirrus Logic, Inc. MIC covering detection in personal audio devices
US8948407B2 (en) 2011-06-03 2015-02-03 Cirrus Logic, Inc. Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)
US9824677B2 (en) 2011-06-03 2017-11-21 Cirrus Logic, Inc. Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)
US9325821B1 (en) * 2011-09-30 2016-04-26 Cirrus Logic, Inc. Sidetone management in an adaptive noise canceling (ANC) system including secondary path modeling
US8902796B2 (en) 2011-11-04 2014-12-02 Broadcom Corporation Power-efficient multi-mode transceiver synthesizer configurations
CN102771053B (zh) * 2012-04-20 2014-04-02 华为技术有限公司 通信校正装置及方法
US9142205B2 (en) 2012-04-26 2015-09-22 Cirrus Logic, Inc. Leakage-modeling adaptive noise canceling for earspeakers
US9014387B2 (en) 2012-04-26 2015-04-21 Cirrus Logic, Inc. Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels
JP5867281B2 (ja) * 2012-05-09 2016-02-24 ソニー株式会社 ゲイン制御回路および受信システム
US9318090B2 (en) 2012-05-10 2016-04-19 Cirrus Logic, Inc. Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system
US9082387B2 (en) 2012-05-10 2015-07-14 Cirrus Logic, Inc. Noise burst adaptation of secondary path adaptive response in noise-canceling personal audio devices
US9319781B2 (en) 2012-05-10 2016-04-19 Cirrus Logic, Inc. Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC)
US9123321B2 (en) 2012-05-10 2015-09-01 Cirrus Logic, Inc. Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system
US8571152B1 (en) * 2012-05-22 2013-10-29 Issc Technologies Corp. Power-saving apparatus used for wireless communication receiver and system, and method using the same
US9532139B1 (en) 2012-09-14 2016-12-27 Cirrus Logic, Inc. Dual-microphone frequency amplitude response self-calibration
US8660213B1 (en) * 2012-12-09 2014-02-25 Phuong Thu-Minh Huynh Bandpass-sampling wide-band receiver
US9107010B2 (en) 2013-02-08 2015-08-11 Cirrus Logic, Inc. Ambient noise root mean square (RMS) detector
US9369798B1 (en) 2013-03-12 2016-06-14 Cirrus Logic, Inc. Internal dynamic range control in an adaptive noise cancellation (ANC) system
US9414150B2 (en) 2013-03-14 2016-08-09 Cirrus Logic, Inc. Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device
US9215749B2 (en) 2013-03-14 2015-12-15 Cirrus Logic, Inc. Reducing an acoustic intensity vector with adaptive noise cancellation with two error microphones
US9467776B2 (en) 2013-03-15 2016-10-11 Cirrus Logic, Inc. Monitoring of speaker impedance to detect pressure applied between mobile device and ear
US9502020B1 (en) 2013-03-15 2016-11-22 Cirrus Logic, Inc. Robust adaptive noise canceling (ANC) in a personal audio device
US9635480B2 (en) 2013-03-15 2017-04-25 Cirrus Logic, Inc. Speaker impedance monitoring
US9208771B2 (en) 2013-03-15 2015-12-08 Cirrus Logic, Inc. Ambient noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices
US10206032B2 (en) 2013-04-10 2019-02-12 Cirrus Logic, Inc. Systems and methods for multi-mode adaptive noise cancellation for audio headsets
US9462376B2 (en) 2013-04-16 2016-10-04 Cirrus Logic, Inc. Systems and methods for hybrid adaptive noise cancellation
US9478210B2 (en) 2013-04-17 2016-10-25 Cirrus Logic, Inc. Systems and methods for hybrid adaptive noise cancellation
US9460701B2 (en) 2013-04-17 2016-10-04 Cirrus Logic, Inc. Systems and methods for adaptive noise cancellation by biasing anti-noise level
US9578432B1 (en) 2013-04-24 2017-02-21 Cirrus Logic, Inc. Metric and tool to evaluate secondary path design in adaptive noise cancellation systems
US9264808B2 (en) 2013-06-14 2016-02-16 Cirrus Logic, Inc. Systems and methods for detection and cancellation of narrow-band noise
US9392364B1 (en) 2013-08-15 2016-07-12 Cirrus Logic, Inc. Virtual microphone for adaptive noise cancellation in personal audio devices
US9666176B2 (en) 2013-09-13 2017-05-30 Cirrus Logic, Inc. Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path
US9620101B1 (en) 2013-10-08 2017-04-11 Cirrus Logic, Inc. Systems and methods for maintaining playback fidelity in an audio system with adaptive noise cancellation
US10382864B2 (en) 2013-12-10 2019-08-13 Cirrus Logic, Inc. Systems and methods for providing adaptive playback equalization in an audio device
US10219071B2 (en) 2013-12-10 2019-02-26 Cirrus Logic, Inc. Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation
US9704472B2 (en) 2013-12-10 2017-07-11 Cirrus Logic, Inc. Systems and methods for sharing secondary path information between audio channels in an adaptive noise cancellation system
US9369557B2 (en) 2014-03-05 2016-06-14 Cirrus Logic, Inc. Frequency-dependent sidetone calibration
US9479860B2 (en) 2014-03-07 2016-10-25 Cirrus Logic, Inc. Systems and methods for enhancing performance of audio transducer based on detection of transducer status
US9648410B1 (en) 2014-03-12 2017-05-09 Cirrus Logic, Inc. Control of audio output of headphone earbuds based on the environment around the headphone earbuds
US9319784B2 (en) 2014-04-14 2016-04-19 Cirrus Logic, Inc. Frequency-shaped noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices
US9609416B2 (en) 2014-06-09 2017-03-28 Cirrus Logic, Inc. Headphone responsive to optical signaling
US10181315B2 (en) 2014-06-13 2019-01-15 Cirrus Logic, Inc. Systems and methods for selectively enabling and disabling adaptation of an adaptive noise cancellation system
US9478212B1 (en) 2014-09-03 2016-10-25 Cirrus Logic, Inc. Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device
US9552805B2 (en) 2014-12-19 2017-01-24 Cirrus Logic, Inc. Systems and methods for performance and stability control for feedback adaptive noise cancellation
KR102688257B1 (ko) 2015-08-20 2024-07-26 시러스 로직 인터내셔널 세미컨덕터 리미티드 피드백 적응적 잡음 소거(anc) 제어기 및 고정 응답 필터에 의해 부분적으로 제공되는 피드백 응답을 갖는 방법
US9578415B1 (en) 2015-08-21 2017-02-21 Cirrus Logic, Inc. Hybrid adaptive noise cancellation system with filtered error microphone signal
US10013966B2 (en) 2016-03-15 2018-07-03 Cirrus Logic, Inc. Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device
CN106357281B (zh) * 2016-10-27 2017-06-16 西安科技大学 基于序列正交下变频的直流补偿接收机及信号接收方法
CN107579938B (zh) * 2017-07-26 2019-10-25 佛山市顺德区中山大学研究院 一种联合iq补偿的信道均衡方法
US10944617B2 (en) * 2018-01-12 2021-03-09 Silicon Laboratories Inc. Apparatus for radio-frequency receiver with in-phase/quadrature calibration and associated methods
US10277340B1 (en) * 2018-01-18 2019-04-30 Microchip Technology Incorporated Signal integrity diagnostics for communication channels
CN110196437B (zh) * 2018-02-26 2021-12-21 瑞昱半导体股份有限公司 卫星信号接收电路及卫星信号接收方法
CN108872925B (zh) * 2018-07-24 2023-06-02 广州比逊电子科技有限公司 四通道多频段卫星导航信号接收机
US11329678B2 (en) * 2018-08-21 2022-05-10 Commsolid Gmbh Interface between radio receiver and baseband receiver and a method for converting RF-signals to BB-signals
US10715156B1 (en) * 2019-03-29 2020-07-14 Silicon Laboratories Inc. PLL for continuous-time delta-sigma modulator based ADCs
US10756739B1 (en) 2019-03-29 2020-08-25 Silicon Laboratories Inc. Charge pump and active loop filter with shared unity gain buffer
EP3985878A1 (de) 2020-10-13 2022-04-20 Koninklijke Philips N.V. Funkfrequenzempfängersystem
KR20220147450A (ko) * 2021-04-27 2022-11-03 삼성전자주식회사 Nfc 수신기 및 이의 동작 방법
CN115395973B (zh) * 2021-05-07 2023-07-14 珠海市杰理科技股份有限公司 接收机自动增益控制方法、电路、射频芯片及无线终端

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140234B (en) * 1983-05-17 1986-07-23 Marconi Instruments Ltd Signal generators
GB2214012B (en) * 1987-12-23 1992-01-22 Marconi Instruments Ltd Frequency or phase modulation
US6278750B1 (en) * 1997-08-30 2001-08-21 Winbond Electronics Corp. Fully integrated architecture for improved sigma-delta modulator with automatic gain controller
US6005506A (en) 1997-12-09 1999-12-21 Qualcomm, Incorporated Receiver with sigma-delta analog-to-digital converter for sampling a received signal
US6134430A (en) * 1997-12-09 2000-10-17 Younis; Saed G. Programmable dynamic range receiver with adjustable dynamic range analog to digital converter
US6160859A (en) 1998-10-19 2000-12-12 Motorola, Inc. Integrated multi-mode bandpass sigma-delta receiver subsystem with interference mitigation and method of using the same
FR2797725B1 (fr) * 1999-08-16 2001-11-09 St Microelectronics Sa Procede et dispositif de conversion d'un signal analogique en un signal numerique avec controle automatique de gain
ES2184587B1 (es) * 2000-12-18 2004-08-01 Diseño De Sistemas En Silicio, S.A. Sistema y procedimiento de transmision digital de datos punto a multipunto sobre red electrica.
US6462687B1 (en) * 2001-04-03 2002-10-08 International Business Machines Corporatiom High performance delta sigma ADC using a feedback NRZ sin DAC
US6577258B2 (en) * 2001-10-01 2003-06-10 Nokia Corporation Adaptive sigma-delta data converter for mobile terminals
DE10317598A1 (de) * 2003-04-16 2004-11-25 Infineon Technologies Ag Integrierter Transceiverschaltkreis
CN1625063A (zh) 2003-12-05 2005-06-08 皇家飞利浦电子股份有限公司 带通采样接收机及其采样方法
KR20050078041A (ko) * 2004-01-30 2005-08-04 엘지전자 주식회사 자동위상 보정방법 및 장치
JP2006121160A (ja) 2004-10-19 2006-05-11 Matsushita Electric Ind Co Ltd マルチモード受信機、および通信端末
US7529320B2 (en) * 2005-09-16 2009-05-05 Agere Systems Inc. Format efficient timing acquisition for magnetic recording read channels
US8145171B2 (en) * 2008-10-08 2012-03-27 Qualcomm Incorporated Clock clean-up phase-locked loop (PLL)
US7928873B1 (en) * 2009-12-15 2011-04-19 Himax Media Solutions, Inc. Analog-to-digital conversion circuit

Also Published As

Publication number Publication date
EP2248257A1 (de) 2010-11-10
CN101933229A (zh) 2010-12-29
WO2009093172A1 (en) 2009-07-30
EP2248257B1 (de) 2011-08-10
US20100291891A1 (en) 2010-11-18
US8249535B2 (en) 2012-08-21

Similar Documents

Publication Publication Date Title
ATE520199T1 (de) Verbesserungen an oder im zusammenhang mit funkempfängern
US8781031B2 (en) Low rate, direct conversion FSK radio-frequency signal receivers
WO2007038483A3 (en) Single chip gsm/edge transceiver architecture with closed loop power control
ATE436117T1 (de) Empfänger mit einer oszillationsschaltung zur erzeugung eines bildzurückweisungs- kalibrationstons
WO2008141050A3 (en) Systems and methods for controlling local oscillator feed-through
DE60038027D1 (de) Verbessertes verfahren und gerät zur frequenzaufwärtswandlung von radiofrequenzsignalen
TW200501609A (en) Passive harmonic switch mixer
AU2003255865A1 (en) Improved mixers with a plurality of local oscillators and systems based thereon
TW200623661A (en) Ratiometric clock systems for integrated receivers and associated methods
KR970072734A (ko) 무선 수신기의 자동 이득 제어회로
JP2014504490A5 (de)
WO2014015277A3 (en) Circuits and methods for performing harmonic rejection mixing
RU2010137769A (ru) Активная фазированная антенная решетка
US11762058B2 (en) Pulsed radar system and method with digital mixer for frequency hopping
WO2014100671A3 (en) Apparatus and method of harmonic selection for mixing with a received signal
EP1931033A3 (de) Verfahren und System zur Reduzierung des Mitnahmeeffekts in mehrfachen Phasenregelschleifen in Mehrfach-Standardsystemen
WO2008079632A3 (en) Suppression of lo-related interference from tuners
GB9916904D0 (en) Testing response of a radio transceiver
CN101127932A (zh) 一种集成对讲模块及基于该模块的对讲系统
US7633422B2 (en) Transducer device
US8797112B2 (en) Modulator, mixer and method for amplitude shift keying modulation
EP3796552A3 (de) Zeitdiskreter super-heterodyn-mischer
FR2828599B1 (fr) Circuit melangeur a rejection de frequence image, notamment pour un recepteur rf a frequence intermediaire nulle ou faible
WO2001058103A3 (en) Kaskadenfrequenzumsetzer unter verwendung von phasenverschobenen signalen der lokalen oszillatoren
EP2568609A3 (de) Digitale Modulation mit beliebiger Eingangsabtastungs- und Ausgangsmodulationsfrequenzen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties