DK1210766T3 - Sløjfe med automatisk forstærkningskontrol for frekvenskonvertering af kvadratursignaler - Google Patents

Sløjfe med automatisk forstærkningskontrol for frekvenskonvertering af kvadratursignaler

Info

Publication number
DK1210766T3
DK1210766T3 DK00957391T DK00957391T DK1210766T3 DK 1210766 T3 DK1210766 T3 DK 1210766T3 DK 00957391 T DK00957391 T DK 00957391T DK 00957391 T DK00957391 T DK 00957391T DK 1210766 T3 DK1210766 T3 DK 1210766T3
Authority
DK
Denmark
Prior art keywords
signal
frequency conversion
frequency
loop
control
Prior art date
Application number
DK00957391T
Other languages
English (en)
Inventor
Aravind Loke
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
Application granted granted Critical
Publication of DK1210766T3 publication Critical patent/DK1210766T3/da

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)
DK00957391T 1999-08-25 2000-08-11 Sløjfe med automatisk forstærkningskontrol for frekvenskonvertering af kvadratursignaler DK1210766T3 (da)

Applications Claiming Priority (2)

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
PCT/US2000/022041 WO2001015317A1 (en) 1999-08-25 2000-08-11 Automatic gain control loop for frequency conversion of quadrature signals

Publications (1)

Publication Number Publication Date
DK1210766T3 true DK1210766T3 (da) 2003-11-24

Family

ID=23510799

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00957391T DK1210766T3 (da) 1999-08-25 2000-08-11 Sløjfe med automatisk forstærkningskontrol for frekvenskonvertering af kvadratursignaler

Country Status (7)

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

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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
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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
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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
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
US8578434B2 (en) 2004-05-21 2013-11-05 Broadcom Corporation Integrated cable modem
CA2568422C (en) * 2004-05-26 2013-07-23 Wireless Extenders, Inc. Wireless repeater implementing low-level oscillation detection and protection for a duplex communication system
US20140071818A1 (en) 2004-07-16 2014-03-13 Virginia Innovation Sciences, Inc. Method and system for efficient communication
US7899492B2 (en) 2004-07-16 2011-03-01 Sellerbid, Inc. Methods, systems and apparatus for displaying the multimedia information from wireless communication networks
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
EP1210766A1 (en) 2002-06-05
AU6902000A (en) 2001-03-19
US6484042B1 (en) 2002-11-19
DE60006136T2 (de) 2004-07-15
US6915141B2 (en) 2005-07-05
WO2001015317A1 (en) 2001-03-01
DE60006136D1 (de) 2003-11-27
US20030027610A1 (en) 2003-02-06
EP1210766B1 (en) 2003-10-22

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