TWI368395B - Low-noise dc offset calibration circuits and related receiver stages - Google Patents

Low-noise dc offset calibration circuits and related receiver stages

Info

Publication number
TWI368395B
TWI368395B TW098101198A TW98101198A TWI368395B TW I368395 B TWI368395 B TW I368395B TW 098101198 A TW098101198 A TW 098101198A TW 98101198 A TW98101198 A TW 98101198A TW I368395 B TWI368395 B TW I368395B
Authority
TW
Taiwan
Prior art keywords
noise
low
offset calibration
calibration circuits
receiver stages
Prior art date
Application number
TW098101198A
Other languages
English (en)
Other versions
TW201004150A (en
Inventor
Chi Lun Lo
Yu Hsin Lin
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 TW201004150A publication Critical patent/TW201004150A/zh
Application granted granted Critical
Publication of TWI368395B publication Critical patent/TWI368395B/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264—Arrangements for coupling to transmission lines
    • H04L25/0292—Arrangements specific to the receiver end
    • H04L25/0296—Arrangements to ensure DC-balance
TW098101198A 2008-07-07 2009-01-14 Low-noise dc offset calibration circuits and related receiver stages TWI368395B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/168,159 US7737775B2 (en) 2008-07-07 2008-07-07 Low-noise DC offset calibration circuit and related receiver stage

Publications (2)

Publication Number Publication Date
TW201004150A TW201004150A (en) 2010-01-16
TWI368395B true TWI368395B (en) 2012-07-11

Family

ID=41463900

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098101198A TWI368395B (en) 2008-07-07 2009-01-14 Low-noise dc offset calibration circuits and related receiver stages

Country Status (3)

Country Link
US (1) US7737775B2 (zh)
CN (1) CN101626251B (zh)
TW (1) TWI368395B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8698555B2 (en) * 2010-11-19 2014-04-15 Marvell World Trade Ltd. Low distortion variable gain amplifier (VGA)
CN104467686A (zh) * 2014-12-04 2015-03-25 锐迪科微电子科技（上海）有限公司 一种低功耗、低噪声的混频器
WO2019056275A1 (en) 2017-09-21 2019-03-28 Texas Instruments Incorporated PROGRAMMABLE GAIN AMPLIFIER AND DELTA SIGMA CONTAINING PGA ANALOG TO DIGITAL CONVERTER
JP2020010088A (ja) * 2018-07-03 2020-01-16 エイブリック株式会社 差動増幅回路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6545534B1 (en) * 2001-02-13 2003-04-08 Analog Devices, Inc. Low voltage variable gain amplifier with constant input impedance and adjustable one-pole filtering characteristic
US6900686B1 (en) * 2003-06-05 2005-05-31 Marvell International Ltd. Analog switching circuit
JP4258430B2 (ja) * 2003-06-27 2009-04-30 日本ビクター株式会社 電流センサ
KR100584959B1 (ko) * 2004-12-03 2006-05-29 삼성전기주식회사 모니터링 포토 다이오드의 오프셋 보상 회로
US7352238B2 (en) * 2006-06-21 2008-04-01 Newport Media, Inc. dB-linear analog variable gain amplifier (VGA) realization system and method

Also Published As

Publication number Publication date
CN101626251B (zh) 2012-10-03
US7737775B2 (en) 2010-06-15
CN101626251A (zh) 2010-01-13
US20100001792A1 (en) 2010-01-07
TW201004150A (en) 2010-01-16

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Legal Events

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