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TWI339971B - Servo loop circuit - Google Patents

Servo loop circuit

Info

Publication number
TWI339971B
TWI339971B TW096114075A TW96114075A TWI339971B TW I339971 B TWI339971 B TW I339971B TW 096114075 A TW096114075 A TW 096114075A TW 96114075 A TW96114075 A TW 96114075A TW I339971 B TWI339971 B TW I339971B
Authority
TW
Taiwan
Prior art keywords
loop circuit
servo loop
servo
circuit
loop
Prior art date
Application number
TW096114075A
Other languages
English (en)
Other versions
TW200818791A (en
Inventor
Yuan Hung Chung
Original Assignee
Mediatek 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 Mediatek Inc filed Critical Mediatek Inc
Publication of TW200818791A publication Critical patent/TW200818791A/zh
Application granted granted Critical
Publication of TWI339971B publication Critical patent/TWI339971B/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
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
TW096114075A 2006-10-04 2007-04-20 Servo loop circuit TWI339971B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/538,783 US20080084236A1 (en) 2006-10-04 2006-10-04 Servo loop circuit for continuous time dc offset cancellation

Publications (2)

Publication Number Publication Date
TW200818791A TW200818791A (en) 2008-04-16
TWI339971B true TWI339971B (en) 2011-04-01

Family

ID=39301218

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096114075A TWI339971B (en) 2006-10-04 2007-04-20 Servo loop circuit

Country Status (3)

Country Link
US (1) US20080084236A1 (zh)
CN (1) CN101159724A (zh)
TW (1) TWI339971B (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2330831A1 (en) * 2009-11-03 2011-06-08 ST-Ericsson SA Microphone assembly
CN102130867A (zh) * 2010-12-29 2011-07-20 电子科技大学 一种直流偏移消除电路
CN102185812A (zh) * 2011-05-13 2011-09-14 吉林大学 一种直流偏移滤除电路
CN102543172B (zh) * 2012-02-27 2014-09-24 北京大学 一种适用于神经元电路的阻变忆阻器的控制方法
US9287839B1 (en) * 2013-10-17 2016-03-15 Cirrus Logic, Inc. Feedback loop for direct current (DC) offset removal
US9602315B2 (en) * 2014-12-12 2017-03-21 Intel Corporation Method and apparatus for passive continuous-time linear equalization with continuous-time baseline wander correction
US10432242B1 (en) * 2018-05-09 2019-10-01 Morse Micro Pty Ltd Low noise broadband amplifier with resistive matching
US10581472B2 (en) 2018-06-22 2020-03-03 Futurewei Technologies, Inc. Receiver with reduced mixer-filter interaction distortion
US10211865B1 (en) * 2018-06-22 2019-02-19 Futurewei Technologies, Inc. Fully differential adjustable gain devices and methods for use therewith
CN114070310B (zh) * 2020-07-30 2024-09-17 炬芯科技股份有限公司 高通滤波方法、高通滤波器和主动降噪系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08279718A (ja) * 1995-04-07 1996-10-22 Nec Corp オフセット除去増幅回路
US6516187B1 (en) * 1998-03-13 2003-02-04 Maxim Integrated Products, Inc. DC offset correction for direct conversion tuner IC
US6121831A (en) * 1999-05-12 2000-09-19 Level One Communications, Inc. Apparatus and method for removing offset in a gain circuit
EP1346467B1 (en) * 2000-11-29 2010-02-10 Broadcom Corporation Integrated direct conversion satellite tuner
US6650177B1 (en) * 2001-08-07 2003-11-18 Globespanvirata, Inc. System and method for tuning an RC continuous-time filter
US7076232B2 (en) * 2002-03-25 2006-07-11 Broadcom Corporation Method and apparatus for DC offset cancellation
US6882226B2 (en) * 2002-05-16 2005-04-19 Integrant Technologies Inc. Broadband variable gain amplifier with high linearity and variable gain characteristic
US6784727B1 (en) * 2003-05-21 2004-08-31 Hyperband Communication, Inc. Fast-settling DC offset removal circuits with continuous cutoff frequency switching
JP4088247B2 (ja) * 2003-12-25 2008-05-21 株式会社東芝 電圧減算回路及びそれを用いた強度検波回路
US7403760B1 (en) * 2003-12-31 2008-07-22 Conexant Systems, Inc. DC offset correction for direct-conversion receiver

Also Published As

Publication number Publication date
CN101159724A (zh) 2008-04-09
TW200818791A (en) 2008-04-16
US20080084236A1 (en) 2008-04-10

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees