ATE252784T1 - Verstärkungsregelungschleife zur frequenzumsetzung von orthogonalen signalen - Google Patents

Verstärkungsregelungschleife zur frequenzumsetzung von orthogonalen signalen

Info

Publication number
ATE252784T1
ATE252784T1 AT00957391T AT00957391T ATE252784T1 AT E252784 T1 ATE252784 T1 AT E252784T1 AT 00957391 T AT00957391 T AT 00957391T AT 00957391 T AT00957391 T AT 00957391T AT E252784 T1 ATE252784 T1 AT E252784T1
Authority
AT
Austria
Prior art keywords
signal
frequency conversion
frequency
control
circuit
Prior art date
Application number
AT00957391T
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 ATE252784T1 publication Critical patent/ATE252784T1/de

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)
AT00957391T 1999-08-25 2000-08-11 Verstärkungsregelungschleife zur frequenzumsetzung von orthogonalen signalen ATE252784T1 (de)

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
ATE252784T1 true ATE252784T1 (de) 2003-11-15

Family

ID=23510799

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00957391T ATE252784T1 (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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US20030003891A1 (en) * 2001-07-02 2003-01-02 Nokia Corporation Method to improve I/Q-amplitude balance and receiver quadrature channel performance
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US20070019113A1 (en) * 2002-12-19 2007-01-25 Jan Van Sinderen Mixer system with amplitude-, common mode- and phase corrections
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US20040176056A1 (en) * 2003-03-07 2004-09-09 Shen Feng Single-tone detection and adaptive gain control for direct-conversion receivers
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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
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US7702306B2 (en) * 2003-08-28 2010-04-20 Broadcom Corporation Apparatus and method for local oscillator calibration in mixer circuits
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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
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US7030692B2 (en) * 2004-03-23 2006-04-18 Broadcom Corporation Circuit and method for controlling gain in an amplifier
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US8204466B2 (en) * 2004-05-21 2012-06-19 Realtek Semiconductor Corp. Dynamic AC-coupled DC offset correction
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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
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
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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
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Also Published As

Publication number Publication date
US20030027610A1 (en) 2003-02-06
DK1210766T3 (da) 2003-11-24
US6484042B1 (en) 2002-11-19
EP1210766B1 (de) 2003-10-22
EP1210766A1 (de) 2002-06-05
AU6902000A (en) 2001-03-19
DE60006136T2 (de) 2004-07-15
WO2001015317A1 (en) 2001-03-01
US6915141B2 (en) 2005-07-05
DE60006136D1 (de) 2003-11-27

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