TW228043B - - Google Patents

Info

Publication number
TW228043B
TW228043B TW082103741A TW82103741A TW228043B TW 228043 B TW228043 B TW 228043B TW 082103741 A TW082103741 A TW 082103741A TW 82103741 A TW82103741 A TW 82103741A TW 228043 B TW228043 B TW 228043B
Authority
TW
Taiwan
Prior art keywords
phase
signal
quadrature
polyphase
demodulator
Prior art date
Application number
TW082103741A
Other languages
English (en)
Original Assignee
Philips Electronics Nv
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 Philips Electronics Nv filed Critical Philips Electronics Nv
Application granted granted Critical
Publication of TW228043B publication Critical patent/TW228043B/zh

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
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/005—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling a bandpass filter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • 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
    • H04B1/26—Circuits for superheterodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)
TW082103741A 1992-06-26 1993-05-12 TW228043B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92201907 1992-06-26

Publications (1)

Publication Number Publication Date
TW228043B true TW228043B (zh) 1994-08-11

Family

ID=8210725

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082103741A TW228043B (zh) 1992-06-26 1993-05-12

Country Status (9)

Country Link
US (1) US5715529A (zh)
JP (1) JP3356828B2 (zh)
KR (1) KR100329873B1 (zh)
AT (1) ATE215285T1 (zh)
DE (1) DE69331755T2 (zh)
ES (1) ES2174841T3 (zh)
HK (1) HK1013377A1 (zh)
SG (1) SG49297A1 (zh)
TW (1) TW228043B (zh)

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US5937341A (en) 1996-09-13 1999-08-10 University Of Washington Simplified high frequency tuner and tuning method
US5862466A (en) * 1997-01-09 1999-01-19 Hewlett-Packard Company Method and apparatus for automatically balancing a radio-frequency mixer
US6633550B1 (en) 1997-02-20 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Radio transceiver on a chip
JP3164008B2 (ja) * 1997-03-04 2001-05-08 日本電気株式会社 無線受信機
DE69820376T2 (de) * 1997-04-07 2004-10-14 Koninklijke Philips Electronics N.V. Empfänger und filteranordnung mit polyphasenfilter
KR100251634B1 (ko) 1997-08-29 2000-04-15 윤종용 다위상구조를가지는디지털수신기
DE19810558A1 (de) * 1998-03-11 1999-09-16 Siemens Ag Integrierbare Funkempfängerschaltung für frequenzmodulierte digitale Signale
US7035351B1 (en) * 1998-07-24 2006-04-25 Gct Semiconductor, Inc. Automatic gain control loop apparatus
GB9818397D0 (en) * 1998-08-25 1998-10-21 Philips Electronics Nv Low if receiver
JP3504179B2 (ja) * 1999-03-09 2004-03-08 株式会社東芝 周波数変換回路
JP4043647B2 (ja) * 1999-06-23 2008-02-06 株式会社東芝 原子炉構造材及び原子炉構造材の腐食低減方法
US7548726B1 (en) 1999-10-21 2009-06-16 Broadcom Corporation Adaptive radio transceiver with a bandpass filter
US6961546B1 (en) 1999-10-21 2005-11-01 Broadcom Corporation Adaptive radio transceiver with offset PLL with subsampling mixers
US7130579B1 (en) * 1999-10-21 2006-10-31 Broadcom Corporation Adaptive radio transceiver with a wide tuning range VCO
US8014724B2 (en) 1999-10-21 2011-09-06 Broadcom Corporation System and method for signal limiting
US7555263B1 (en) 1999-10-21 2009-06-30 Broadcom Corporation Adaptive radio transceiver
US7558556B1 (en) 1999-10-21 2009-07-07 Broadcom Corporation Adaptive radio transceiver with subsampling mixers
US7299006B1 (en) * 1999-10-21 2007-11-20 Broadcom Corporation Adaptive radio transceiver
US7113744B1 (en) 1999-10-21 2006-09-26 Broadcom Corporation Adaptive radio transceiver with a power amplifier
IL132802A (en) * 1999-11-08 2004-03-28 Rafael Armament Dev Authority Homidine shelter is free of simulated frequencies
GB9927289D0 (en) * 1999-11-19 2000-01-12 Koninkl Philips Electronics Nv Improvements in or relating to polyphase receivers
EP1208652B1 (en) * 2000-02-04 2004-03-31 Philips Electronics N.V. Radio fm receiver
EP1128555A1 (en) * 2000-02-24 2001-08-29 Semiconductor Ideas to The Market (ItoM) BV Receiver
US6560449B1 (en) * 2000-06-12 2003-05-06 Broadcom Corporation Image-rejection I/Q demodulators
US6778594B1 (en) 2000-06-12 2004-08-17 Broadcom Corporation Receiver architecture employing low intermediate frequency and complex filtering
DE60130836T2 (de) * 2000-06-12 2008-07-17 Broadcom Corp., Irvine Architektur und Verfahren zur Kontextumschaltung
DE10044449A1 (de) * 2000-09-08 2002-04-04 Infineon Technologies Ag Empfängerschaltung, insbesondere für den Mobilfunk
DE10044456A1 (de) * 2000-09-08 2002-04-04 Infineon Technologies Ag Empfängerschaltung, innsbesondere für den Mobilfunk
US6388543B1 (en) 2000-09-18 2002-05-14 Conexant Systems, Inc. System for eight-phase 45° polyphase filter with amplitude matching
FR2814606A1 (fr) * 2000-09-25 2002-03-29 Koninkl Philips Electronics Nv Source de signal a filtre polyphase
EP1213832A1 (en) * 2000-12-05 2002-06-12 Semiconductor Ideas to The Market (ItoM) BV AM receiver with audio filtering means
KR100395213B1 (ko) * 2001-03-22 2003-08-21 주식회사 버카나와이어리스코리아 직교 신호 발생기 및 직교 신호 위상 오류 보정 방법
DE10142019A1 (de) * 2001-08-28 2003-03-20 Philips Corp Intellectual Pty Schaltungsanordnung zur Demodulation von Signalen
JP3906792B2 (ja) * 2002-01-22 2007-04-18 松下電器産業株式会社 高周波信号受信装置とその製造方法
US6728517B2 (en) * 2002-04-22 2004-04-27 Cognio, Inc. Multiple-input multiple-output radio transceiver
CN100340068C (zh) * 2002-04-22 2007-09-26 Ipr许可公司 多输入多输出无线通信方法及具有无线前端部件的收发机
DE10231340B3 (de) * 2002-07-09 2004-01-29 Hf-Elektronik Systeme Gmbh Transponderschaltung
US7251298B1 (en) * 2003-08-20 2007-07-31 Rf Micro Devices, Inc. Receiver architecture eliminating static and dynamic DC offset errors
US7558351B2 (en) * 2004-02-10 2009-07-07 Wionics Research Super harmonic filter and method of filtering frequency components from a signal
US7019586B2 (en) * 2004-03-23 2006-03-28 Silicon Laboratories Inc. High-speed Gm-C tuning
US7272375B2 (en) * 2004-06-30 2007-09-18 Silicon Laboratories Inc. Integrated low-IF terrestrial audio broadcast receiver and associated method
US7668517B2 (en) * 2006-06-14 2010-02-23 Mediatek Inc. Radio frequency signal receiver with adequate automatic gain control
US8412141B2 (en) * 2009-10-19 2013-04-02 Qualcomm Incorporated LR polyphase filter
US8994456B2 (en) * 2012-01-30 2015-03-31 International Business Machines Corporation Multi-stage amplifier using tunable transmission lines and frequency response calibration of same
EP2698925A1 (en) 2012-08-14 2014-02-19 Samsung Electronics Co., Ltd Apparatus and method for ultra wideband communication using dual band pass filter
US12130159B2 (en) 2018-08-22 2024-10-29 Cirrus Logic Inc. Detecting and adapting to changes in a resonant phase sensing system having a resistive-inductive-capacitive sensor
US10948313B2 (en) 2019-02-26 2021-03-16 Cirrus Logic, Inc. Spread spectrum sensor scanning using resistive-inductive-capacitive sensors
US11835410B2 (en) 2020-06-25 2023-12-05 Cirrus Logic Inc. Determination of resonant frequency and quality factor for a sensor system
US11868540B2 (en) 2020-06-25 2024-01-09 Cirrus Logic Inc. Determination of resonant frequency and quality factor for a sensor system
US11821761B2 (en) 2021-03-29 2023-11-21 Cirrus Logic Inc. Maximizing dynamic range in resonant sensing
US11808669B2 (en) * 2021-03-29 2023-11-07 Cirrus Logic Inc. Gain and mismatch calibration for a phase detector used in an inductive sensor
US11979115B2 (en) 2021-11-30 2024-05-07 Cirrus Logic Inc. Modulator feedforward compensation
US11854738B2 (en) 2021-12-02 2023-12-26 Cirrus Logic Inc. Slew control for variable load pulse-width modulation driver and load sensing

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Publication number Priority date Publication date Assignee Title
FR501511A (fr) * 1919-02-08 1920-04-16 Edwin Howard Armstrong Méthode de réception d'oscillations de haute fréquence
JPS5222866A (en) * 1975-08-15 1977-02-21 Victor Co Of Japan Ltd Demodulation system for angle modulated signal wave
DE3438286A1 (de) * 1984-10-16 1986-04-17 Hansen/Catito Elektronik, 1000 Berlin Verfahren und schaltungsanordnung zum umsetzen frequenzmodulierter signale ueber mindestens eine zwischenfrequenz in niederfrequenzsignale
GB2168864A (en) * 1984-12-19 1986-06-25 Philips Electronic Associated Radio receiver/transmitter filters
JPS61171207A (ja) * 1985-01-25 1986-08-01 Nec Corp 受信機
DE3606250A1 (de) * 1986-02-24 1987-08-27 Hansen Elektronic & Co Verfahren und vorrichtung zum umsetzen frequenzmodulierter signale ueber mindestens eine zwischenfrequenz in niederfrequenzsignale
DE3724604A1 (de) * 1987-04-15 1988-12-01 H U C Elektronik Gmbh Anordnung zum filtern eines fm-ukw-empfangssignals
NL8801412A (nl) * 1988-06-02 1990-01-02 Philips Nv Asymmetrisch polyfase filter.
US5001776A (en) * 1988-10-27 1991-03-19 Motorola Inc. Communication system with adaptive transceivers to control intermodulation distortion
EP0420974B1 (en) * 1989-04-21 1995-10-25 Koninklijke Philips Electronics N.V. Tunable resonance amplifier
US5187809A (en) * 1990-08-24 1993-02-16 Motorola, Inc. Dual mode automatic gain control
US5204977A (en) * 1991-04-01 1993-04-20 Motorola, Inc. Apparatus and method of automatic gain control in a receiver
TW214027B (en) * 1992-06-12 1993-10-01 Philips Electronics Nv FM quadrature demodulator
TW263640B (zh) * 1992-06-26 1995-11-21 Philips Electronics Nv

Also Published As

Publication number Publication date
KR100329873B1 (ko) 2002-07-27
ES2174841T3 (es) 2002-11-16
HK1013377A1 (en) 1999-08-20
KR940001582A (ko) 1994-01-11
DE69331755D1 (de) 2002-05-02
US5715529A (en) 1998-02-03
DE69331755T2 (de) 2002-11-28
JP3356828B2 (ja) 2002-12-16
JPH0677853A (ja) 1994-03-18
SG49297A1 (en) 1998-05-18
ATE215285T1 (de) 2002-04-15

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