JP5257696B2 - 復調器および通信装置 - Google Patents

復調器および通信装置 Download PDF

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Publication number
JP5257696B2
JP5257696B2 JP2009131094A JP2009131094A JP5257696B2 JP 5257696 B2 JP5257696 B2 JP 5257696B2 JP 2009131094 A JP2009131094 A JP 2009131094A JP 2009131094 A JP2009131094 A JP 2009131094A JP 5257696 B2 JP5257696 B2 JP 5257696B2
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JP
Japan
Prior art keywords
voltage
signal
demodulated signal
local oscillation
correction
Prior art date
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Expired - Fee Related
Application number
JP2009131094A
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English (en)
Japanese (ja)
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JP2010278896A (ja
JP2010278896A5 (enExample
Inventor
健司 小森
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP2009131094A priority Critical patent/JP5257696B2/ja
Priority to US12/662,670 priority patent/US8310303B2/en
Priority to CN201010189795.7A priority patent/CN101902235B/zh
Publication of JP2010278896A publication Critical patent/JP2010278896A/ja
Publication of JP2010278896A5 publication Critical patent/JP2010278896A5/ja
Application granted granted Critical
Publication of JP5257696B2 publication Critical patent/JP5257696B2/ja
Expired - Fee Related legal-status Critical Current
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    • 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
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset
    • 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)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP2009131094A 2009-05-29 2009-05-29 復調器および通信装置 Expired - Fee Related JP5257696B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009131094A JP5257696B2 (ja) 2009-05-29 2009-05-29 復調器および通信装置
US12/662,670 US8310303B2 (en) 2009-05-29 2010-04-28 Demodulator and communication apparatus
CN201010189795.7A CN101902235B (zh) 2009-05-29 2010-05-24 解调器和通信装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009131094A JP5257696B2 (ja) 2009-05-29 2009-05-29 復調器および通信装置

Publications (3)

Publication Number Publication Date
JP2010278896A JP2010278896A (ja) 2010-12-09
JP2010278896A5 JP2010278896A5 (enExample) 2012-05-17
JP5257696B2 true JP5257696B2 (ja) 2013-08-07

Family

ID=43220208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009131094A Expired - Fee Related JP5257696B2 (ja) 2009-05-29 2009-05-29 復調器および通信装置

Country Status (3)

Country Link
US (1) US8310303B2 (enExample)
JP (1) JP5257696B2 (enExample)
CN (1) CN101902235B (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8831073B2 (en) 2009-08-31 2014-09-09 Sony Corporation Wireless transmission system, wireless communication device, and wireless communication method
WO2012027783A1 (en) * 2010-08-29 2012-03-08 Goldwing Design & Construction Pty Ltd Method and apparatus for a metal detection system
CN102916659B (zh) * 2011-08-04 2015-11-25 联芯科技有限公司 电感电容自动校准方法及电路
JP5776495B2 (ja) 2011-10-31 2015-09-09 富士通株式会社 利得測定回路、利得測定方法および通信装置
JP5853881B2 (ja) * 2012-06-26 2016-02-09 三菱電機株式会社 無線通信装置
US8787503B2 (en) * 2012-09-18 2014-07-22 Vixs Systems, Inc. Frequency mixer with compensated DC offset correction to reduce linearity degradation
JP5711718B2 (ja) * 2012-10-26 2015-05-07 旭化成エレクトロニクス株式会社 Ａｓｋ受信器およびこれを備えるｉｃチップ
JP2015026890A (ja) * 2013-07-24 2015-02-05 富士通株式会社 Ｐｌｌ装置
JP6488674B2 (ja) * 2013-12-25 2019-03-27 パナソニック株式会社 Ｄｃオフセットキャンセル回路
JP6780226B2 (ja) * 2015-08-11 2020-11-04 富士通株式会社 増幅回路及び送信装置
CN114389924B (zh) * 2021-12-27 2024-04-05 浙江巨磁智能技术有限公司 一种适用于ook调制的解调方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5650749A (en) * 1996-06-10 1997-07-22 Motorola, Inc. FM demodulator using injection locked oscillator having tuning feedback and linearizing feedback
JP3968250B2 (ja) * 2002-02-05 2007-08-29 富士通株式会社 Ｄｃオフセットキャンセル回路
JP2003283358A (ja) * 2002-03-22 2003-10-03 Asahi Kasei Corp 半導体装置及びそれを用いた受信機
US7116729B2 (en) * 2002-04-29 2006-10-03 Broadcom Corporation Trimming of local oscillation in an integrated circuit radio
JP4218436B2 (ja) * 2003-06-18 2009-02-04 ソニー株式会社 Ｄｃオフセット調整回路、チューナユニット、および受信装置
WO2005112282A1 (ja) * 2004-05-14 2005-11-24 Nec Corporation 信号処理装置
US7421260B2 (en) * 2004-10-29 2008-09-02 Broadcom Corporation Method and system for a second order input intercept point (IIP2) correction
JP2005295594A (ja) * 2005-05-30 2005-10-20 Sharp Corp ミリ波帯無線通信装置

Also Published As

Publication number Publication date
JP2010278896A (ja) 2010-12-09
CN101902235A (zh) 2010-12-01
US20100303184A1 (en) 2010-12-02
US8310303B2 (en) 2012-11-13
CN101902235B (zh) 2014-05-14

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