[go: up one dir, main page]

DE60227252D1 - - Google Patents

Info

Publication number
DE60227252D1
DE60227252D1 DE60227252T DE60227252T DE60227252D1 DE 60227252 D1 DE60227252 D1 DE 60227252D1 DE 60227252 T DE60227252 T DE 60227252T DE 60227252 T DE60227252 T DE 60227252T DE 60227252 D1 DE60227252 D1 DE 60227252D1
Authority
DE
Germany
Prior art keywords
quadrature
zero
signals
error signal
error
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.)
Expired - Lifetime
Application number
DE60227252T
Other languages
English (en)
Inventor
Earl W Mccune
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE60227252D1 publication Critical patent/DE60227252D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03D3/009—Compensating quadrature phase or amplitude imbalances
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0016—Stabilisation of local oscillators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
DE60227252T 2001-05-25 2002-05-06 Expired - Lifetime DE60227252D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/865,409 US7116728B2 (en) 2001-05-25 2001-05-25 Quadrature alignment in communications receivers using dual delay lines
PCT/US2002/014051 WO2002098004A2 (en) 2001-05-25 2002-05-06 Quadrature alignment in communications receivers

Publications (1)

Publication Number Publication Date
DE60227252D1 true DE60227252D1 (de) 2008-08-07

Family

ID=25345442

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60227252T Expired - Lifetime DE60227252D1 (de) 2001-05-25 2002-05-06

Country Status (8)

Country Link
US (3) US7116728B2 (de)
EP (1) EP1393455B1 (de)
JP (1) JP2005514806A (de)
AT (1) ATE399394T1 (de)
AU (1) AU2002305358A1 (de)
DE (1) DE60227252D1 (de)
TW (1) TW583845B (de)
WO (1) WO2002098004A2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6812780B2 (en) * 2002-01-16 2004-11-02 Oki Electric Industry Co., Ltd. Filter circuit and detection circuit having filter circuit
US7382984B2 (en) * 2002-10-03 2008-06-03 Nortel Networks Limited Electrical domain compensation of optical dispersion in an optical communications system
US7164901B2 (en) 2003-12-24 2007-01-16 Agency For Science, Technology And Research DC offset-free RF front-end circuits and systems for direct conversion receivers
US7373127B2 (en) * 2005-04-27 2008-05-13 Delphi Technologies, Inc. Digital beam forming for communications systems
US7539476B2 (en) * 2006-03-13 2009-05-26 Kleer Semiconductor Corporation RF-to-baseband receiver architecture
WO2007119264A1 (ja) * 2006-03-20 2007-10-25 Fujitsu Limited 入力インピーダンス回路及び低域通過フィルタ回路
DE102006024210A1 (de) * 2006-05-23 2007-11-29 Deutsches Elektronen-Synchrotron Desy Selbstabgleichende driftfreie Hochfrequenz-Phasendetektor-Schaltung
US7826816B2 (en) * 2006-07-11 2010-11-02 Qualcomm Incorporated Systems, methods, and apparatus for frequency conversion
KR100849213B1 (ko) * 2007-03-26 2008-07-31 삼성전자주식회사 신호발생장치, 주파수변환장치, 수신기, 및 송신기
US7817750B2 (en) * 2007-05-21 2010-10-19 Seiko Epson Corporation Radio receiver including a delay-locked loop (DLL) for phase adjustment
US7742545B2 (en) * 2007-05-30 2010-06-22 Motorola, Inc. Method and apparatus for generating corrected quadrature phase signal pairs in a communication device
JP2009272864A (ja) * 2008-05-07 2009-11-19 Fujitsu Ltd 信号処理回路
TWI385913B (zh) * 2009-04-30 2013-02-11 Richwave Technology Corp 接收器與無線訊號接收方法
US10211803B2 (en) * 2009-09-01 2019-02-19 Maxlinear Isreal Ltd. High-performance conversion between single-ended and differential/common-mode signals
US10459510B1 (en) * 2019-01-17 2019-10-29 Qualcomm Incorporated Power chain with delay adaptive switches
CN116208267A (zh) * 2023-03-07 2023-06-02 同济大学 一种零中频接收机正交误差校准方法及装置

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101448A (en) * 1954-12-23 1963-08-20 Gen Electric Synchronous detector system
NL135900C (de) * 1959-10-07
US3800228A (en) * 1972-02-23 1974-03-26 Honeywell Inf Systems Phase jitter compensator
US3748572A (en) * 1972-05-04 1973-07-24 Honeywell Information Inc Wide frequency range phase shifter device
US3769580A (en) * 1972-08-14 1973-10-30 Burroughs Corp Delay line attenuation tester
CH584490A5 (de) * 1975-04-16 1977-01-31 Patelhold Patentverwertung
JPS5220753A (en) * 1975-06-11 1977-02-16 Motorola Inc Quadrature phase shift keying demodulator
US4238739A (en) * 1979-02-26 1980-12-09 E-Systems, Inc. Preset network for a phase lock loop
US4475088A (en) * 1981-06-04 1984-10-02 Westinghouse Electric Corp. Gain imbalance corrected quadrature phase detector
US4492960A (en) * 1982-01-18 1985-01-08 The United States Of America As Represented By The Secretary Of The Navy Switching mixer
US4574244A (en) * 1984-06-22 1986-03-04 Rockwell International Corporation QAM Demodulator automatic quadrature loop using n-m LSB's
AT388177B (de) * 1984-07-05 1989-05-10 Fehrer Ernst Vorrichtung zum herstellen eines garnes
US4652775A (en) * 1985-01-31 1987-03-24 American Telephone And Telegraph Company Adaptive threshold detector
US4837457A (en) * 1986-12-19 1989-06-06 U.S. Philips Corp. High voltage power transistor circuits
FR2609851B1 (fr) * 1987-01-20 1989-04-21 Labo Electronique Physique Dephaseur large bande
US4873460A (en) * 1988-11-16 1989-10-10 California Institute Of Technology Monolithic transistor gate energy recovery system
FR2649841B1 (fr) * 1989-07-17 1994-10-14 Sgs Thomson Microelectronics Circuit de commande de grille d'un transistor mos
US5122879A (en) * 1990-06-01 1992-06-16 Citizen Watch Co., Ltd. Television synchronous receiver with phase shifter for reducing interference from a lower adjacent channel
US5212716A (en) * 1991-02-05 1993-05-18 International Business Machines Corporation Data edge phase sorting circuits
US6107860A (en) * 1991-12-11 2000-08-22 Vlt Corporation High efficiency floating gate driver circuit using leakage-inductance transformer
US5306971A (en) * 1992-07-23 1994-04-26 Proxim, Inc. Binary controlled digital tapped delay line
US5276357A (en) * 1992-09-01 1994-01-04 Broadcast Electronics, Inc. High efficiency quasi-square wave drive circuit for switching power amplifiers
FI107855B (fi) * 1993-09-10 2001-10-15 Nokia Mobile Phones Ltd Vt-signaalin demodulointi sigma-delta-muuntimella
US6208535B1 (en) * 1994-10-31 2001-03-27 Texas Instruments Incorporated Resonant gate driver
US5578917A (en) * 1995-03-20 1996-11-26 Fluke Corporation Repetitive digital sampling circuit using two delay lines for improved time accuracy
US5761615A (en) * 1995-05-31 1998-06-02 Motorola, Inc. Wide band zero if quadrature demodulator using a intermediate frequency and a single local oscillator
US5743683A (en) * 1996-07-01 1998-04-28 E-Systems, Inc. Removal tool for flush rivets
US5835850A (en) * 1996-08-12 1998-11-10 At&T Corp Self-testing transceiver
US5898911A (en) * 1997-03-19 1999-04-27 Hughes Electronics Corporation Current-stacked DX switch with high rf isolation
GB2326038A (en) * 1997-06-06 1998-12-09 Nokia Mobile Phones Ltd Signal level balancing in quadrature receiver
US6061551A (en) * 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
JP3804312B2 (ja) * 1998-12-17 2006-08-02 コニカミノルタホールディングス株式会社 圧電アクチュエータ及び圧電アクチュエータ駆動装置
US6870405B2 (en) * 1999-02-24 2005-03-22 Potchefstroom University For Christian Higher Education Method for driving an insulated gate semiconductor device using a short duration pulse
US6198347B1 (en) * 1999-07-29 2001-03-06 Tropian, Inc. Driving circuits for switch mode RF power amplifiers
JP4443728B2 (ja) * 2000-06-09 2010-03-31 株式会社ルネサステクノロジ クロック発生回路
US6593622B2 (en) * 2001-05-02 2003-07-15 International Rectifier Corporation Power mosfet with integrated drivers in a common package
US6548971B2 (en) * 2001-05-22 2003-04-15 Matsushita Electric Works, Ltd. Dual sided self-oscillation circuit for driving an oscillatory actuator
US6650169B2 (en) * 2001-10-01 2003-11-18 Koninklijke Philips Electronics N.V. Gate driver apparatus having an energy recovering circuit
US6570416B1 (en) * 2002-01-11 2003-05-27 Vanner, Inc. Lossless gate driver circuit
US6992520B1 (en) * 2002-01-22 2006-01-31 Edward Herbert Gate drive method and apparatus for reducing losses in the switching of MOSFETs
US7170321B2 (en) * 2004-08-27 2007-01-30 Qortek, Inc. Gate drive circuit with negative offset
US7028651B1 (en) * 2004-10-04 2006-04-18 Motorola, Inc. Quasi resonant gate controller for a power driver
US7256646B2 (en) * 2005-06-21 2007-08-14 Seiko Epson Corporation Neutralization techniques for differential low noise amplifiers

Also Published As

Publication number Publication date
US20090129508A1 (en) 2009-05-21
EP1393455B1 (de) 2008-06-25
ATE399394T1 (de) 2008-07-15
AU2002305358A1 (en) 2002-12-09
US7116728B2 (en) 2006-10-03
EP1393455A2 (de) 2004-03-03
WO2002098004A2 (en) 2002-12-05
US20070036240A1 (en) 2007-02-15
JP2005514806A (ja) 2005-05-19
TW583845B (en) 2004-04-11
US7627057B2 (en) 2009-12-01
WO2002098004A3 (en) 2003-10-30
US20020181619A1 (en) 2002-12-05

Similar Documents

Publication Publication Date Title
DE60227252D1 (de)
EP0869574A3 (de) Symmetrierschaltung
WO2009089227A3 (en) Quadrature radio frequency mixer with low noise and low conversion loss
EP1271773A4 (de) Netzleitungsentstörfilter
EP1389860A3 (de) Frequenzablageschätzer
CA2150850A1 (en) Interference cancellation system employing a polar vector modulator
WO2008081246A3 (en) Phase and power calibration in active antennas
WO2009003101A3 (en) Passive mixer and high q rf filter using a passive mixer
WO2005008904A3 (en) Variable attenuation system having continuous input steering
TW200612600A (en) Phase shifter
WO2002012908A3 (en) Electronic power meter with phase and non-linearity compensation
WO2002071729A3 (en) System and method to reduce phase modulation bandwidth
CA2075756A1 (en) Frequency Converter Circuit
CA2037824A1 (en) Diversity circuit and frame phase (or sampling timing) estimation circuit using the diversity circuit
JPH1174734A5 (de)
CA2298223A1 (en) Wideband balun for wireless and rf applications
AU2609101A (en) Remote sensing by high-order filtering
WO2002087091A3 (en) Burst-mode digital transmitter
AU5257400A (en) Elimination of polarization fading in unbalanced optical measuring interferometers
WO2004045091A3 (en) Rf circuit with frequency agile sequential amplifiers
CA2258939A1 (en) Pulse signal output circuit
FR2828599B1 (fr) Circuit melangeur a rejection de frequence image, notamment pour un recepteur rf a frequence intermediaire nulle ou faible
WO2002031962A3 (en) Quadrature frequency converter
WO2004095704A3 (en) Variable rate sigma delta modulator
WO2007029149A3 (en) Phase detector system

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8364 No opposition during term of opposition