DE60006136D1 - Verstärkungsregelungschleife zur frequenzumsetzung von orthogonalen signalen - Google Patents

Verstärkungsregelungschleife zur frequenzumsetzung von orthogonalen signalen

Info

Publication number
DE60006136D1
DE60006136D1 DE60006136T DE60006136T DE60006136D1 DE 60006136 D1 DE60006136 D1 DE 60006136D1 DE 60006136 T DE60006136 T DE 60006136T DE 60006136 T DE60006136 T DE 60006136T DE 60006136 D1 DE60006136 D1 DE 60006136D1
Authority
DE
Germany
Prior art keywords
signal
frequency conversion
frequency
control
circuit
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
DE60006136T
Other languages
English (en)
Other versions
DE60006136T2 (de
Inventor
Aravind Loke
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.)
Skyworks Solutions Inc
Original Assignee
Skyworks Solutions Inc
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 Skyworks Solutions Inc filed Critical Skyworks Solutions Inc
Publication of DE60006136D1 publication Critical patent/DE60006136D1/de
Application granted granted Critical
Publication of DE60006136T2 publication Critical patent/DE60006136T2/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
    • 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
    • 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
    • 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
    • H04L2027/0024—Carrier regulation at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transmitters (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DE60006136T 1999-08-25 2000-08-11 Verstärkungsregelungschleife zur frequenzumsetzung von orthogonalen signalen Expired - Lifetime DE60006136T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/382,882 US6484042B1 (en) 1999-08-25 1999-08-25 Secondary automatic gain control loops for direct conversion CDMA receivers
US382882 1999-08-25
PCT/US2000/022041 WO2001015317A1 (en) 1999-08-25 2000-08-11 Automatic gain control loop for frequency conversion of quadrature signals

Publications (2)

Publication Number Publication Date
DE60006136D1 true DE60006136D1 (de) 2003-11-27
DE60006136T2 DE60006136T2 (de) 2004-07-15

Family

ID=23510799

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60006136T Expired - Lifetime DE60006136T2 (de) 1999-08-25 2000-08-11 Verstärkungsregelungschleife zur frequenzumsetzung von orthogonalen signalen

Country Status (7)

Country Link
US (2) US6484042B1 (de)
EP (1) EP1210766B1 (de)
AT (1) ATE252784T1 (de)
AU (1) AU6902000A (de)
DE (1) DE60006136T2 (de)
DK (1) DK1210766T3 (de)
WO (1) WO2001015317A1 (de)

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US6671336B1 (en) * 2000-05-16 2003-12-30 Motorola, Inc. Gain controller for circuit having in-phase and quadrature channels, and method
JP4053419B2 (ja) * 2000-07-17 2008-02-27 三菱電機株式会社 自動利得制御装置および無線通信装置
US7050778B1 (en) * 2000-09-18 2006-05-23 Broadcom Corporation Direct conversion turner
JP4505981B2 (ja) * 2000-10-24 2010-07-21 ソニー株式会社 スペクトル拡散受信機
US7061994B2 (en) * 2001-06-21 2006-06-13 Flarion Technologies, Inc. Methods and apparatus for I/Q imbalance compensation
ES2323856T3 (es) * 2001-06-29 2009-07-27 Nokia Corporation Desequilibrio de la fase iq.
US20030003891A1 (en) * 2001-07-02 2003-01-02 Nokia Corporation Method to improve I/Q-amplitude balance and receiver quadrature channel performance
US6947472B2 (en) * 2001-07-26 2005-09-20 Qualcomm Incorporated Noise gain control
US7715437B2 (en) * 2001-09-27 2010-05-11 Broadcom Corporation Highly integrated media access control
CN1729615A (zh) * 2002-12-19 2006-02-01 皇家飞利浦电子股份有限公司 具有振幅、共模和相位校正的混频器系统
JP3999685B2 (ja) * 2003-02-26 2007-10-31 株式会社ケンウッド 衛星デジタルラジオ放送受信機
US20040176056A1 (en) * 2003-03-07 2004-09-09 Shen Feng Single-tone detection and adaptive gain control for direct-conversion receivers
US20040230997A1 (en) * 2003-05-13 2004-11-18 Broadcom Corporation Single-chip cable set-top box
US7412222B2 (en) * 2003-05-20 2008-08-12 Broadcom Corporation Quadrature correction method for analog television reception using direct-conversion tuners
US7336939B2 (en) * 2003-05-21 2008-02-26 Broadcom Corporation Integrated tracking filters for direct conversion and low-IF single conversion broadband filters
KR20040108215A (ko) * 2003-06-17 2004-12-23 삼성전자주식회사 수신기의 저잡음 증폭기 제어 장치 및 방법
GB2403359A (en) * 2003-06-24 2004-12-29 Hitachi Ltd Semiconductor integrated circuit device and portable terminal system
US7295250B2 (en) * 2003-07-31 2007-11-13 Broadcom Corporation Apparatus and method for restoring DC spectrum for analog television reception using direct conversion turners
US7702306B2 (en) * 2003-08-28 2010-04-20 Broadcom Corporation Apparatus and method for local oscillator calibration in mixer circuits
US7433431B2 (en) * 2003-09-12 2008-10-07 Zarbana Digital Fund, Llc Staggered AGC with digitally controlled VGA
US7554933B2 (en) * 2004-01-09 2009-06-30 Realtek Semiconductor Corp. Echo cancellation device for full duplex communication systems
US7738408B2 (en) * 2004-01-09 2010-06-15 Realtek Semiconductor Corp. Transceiver for full duplex communication systems
US7362384B2 (en) * 2004-02-26 2008-04-22 Broadcom Corporation Apparatus and method for feed-forward image rejection in a dual conversion receiver
US7030692B2 (en) * 2004-03-23 2006-04-18 Broadcom Corporation Circuit and method for controlling gain in an amplifier
US7894790B2 (en) * 2004-04-02 2011-02-22 Broadcom Corporation Dual conversion receiver with reduced harmonic interference
US8578434B2 (en) * 2004-05-21 2013-11-05 Broadcom Corporation Integrated cable modem
US8204466B2 (en) 2004-05-21 2012-06-19 Realtek Semiconductor Corp. Dynamic AC-coupled DC offset correction
US8732788B2 (en) * 2004-05-21 2014-05-20 Broadcom Corporation Integrated set-top box
US7706744B2 (en) * 2004-05-26 2010-04-27 Wireless Extenders, Inc. Wireless repeater implementing low-level oscillation detection and protection for a duplex communication system
US7899492B2 (en) 2004-07-16 2011-03-01 Sellerbid, Inc. Methods, systems and apparatus for displaying the multimedia information from wireless communication networks
US20140071818A1 (en) 2004-07-16 2014-03-13 Virginia Innovation Sciences, Inc. Method and system for efficient communication
US8239914B2 (en) * 2004-07-22 2012-08-07 Broadcom Corporation Highly integrated single chip set-top box
KR100735366B1 (ko) 2005-08-23 2007-07-04 삼성전자주식회사 무선 송수신장치에서 자가 보상장치 및 방법
KR100950649B1 (ko) * 2005-12-08 2010-04-01 삼성전자주식회사 무선 송수신장치에서 자가 보상방법 및 장치
GB2437574B (en) * 2006-04-28 2008-06-25 Motorola Inc Receiver for use in wireless communications and method of operation of the receiver
US20070294738A1 (en) * 2006-06-16 2007-12-20 Broadcom Corporation Single chip cable set-top box supporting DOCSIS set-top Gateway (DSG) protocol and high definition advanced video codec (HD AVC) decode
US20080171579A1 (en) * 2007-01-16 2008-07-17 Grubek David A Cellular phone with signal learning capability
US20100306814A1 (en) * 2009-05-26 2010-12-02 Broadcom Corporation Integrated Set-Top Box with Daisy-Chaining
US8594514B2 (en) * 2011-12-28 2013-11-26 Infinera Corporation Phase-modulated transmission control using embedded control symbols
US8831142B2 (en) * 2012-12-18 2014-09-09 Lsi Corporation Adaptive cancellation of voltage offset in a communication system

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Also Published As

Publication number Publication date
ATE252784T1 (de) 2003-11-15
US6915141B2 (en) 2005-07-05
DK1210766T3 (da) 2003-11-24
EP1210766A1 (de) 2002-06-05
EP1210766B1 (de) 2003-10-22
WO2001015317A1 (en) 2001-03-01
US20030027610A1 (en) 2003-02-06
US6484042B1 (en) 2002-11-19
AU6902000A (en) 2001-03-19
DE60006136T2 (de) 2004-07-15

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Legal Events

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

Owner name: SKYWORKS SOLUTIONS, INC., IRVINE, CALIF., US

8364 No opposition during term of opposition