WO2009041047A1 - サンプリングフィルタ装置 - Google Patents

サンプリングフィルタ装置 Download PDF

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Publication number
WO2009041047A1
WO2009041047A1 PCT/JP2008/002667 JP2008002667W WO2009041047A1 WO 2009041047 A1 WO2009041047 A1 WO 2009041047A1 JP 2008002667 W JP2008002667 W JP 2008002667W WO 2009041047 A1 WO2009041047 A1 WO 2009041047A1
Authority
WO
WIPO (PCT)
Prior art keywords
capacitor
charge
integrator
sampling switch
filter device
Prior art date
Application number
PCT/JP2008/002667
Other languages
English (en)
French (fr)
Inventor
Kentaro Miyano
Yoshifumi Hosokawa
Katsuaki Abe
Noriaki Saito
Kiyomichi Araki
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to JP2009534181A priority Critical patent/JP5279141B2/ja
Priority to CN2008801092060A priority patent/CN101809868B/zh
Priority to US12/680,326 priority patent/US8145175B2/en
Publication of WO2009041047A1 publication Critical patent/WO2009041047A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/004—Switched capacitor networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H15/00—Transversal filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Filters That Use Time-Delay Elements (AREA)

Abstract

　サンプリングフィルタ装置１００は、第１のサンプリングスイッチ１３０と、第２のサンプリングスイッチ１３１と、第１のサンプリングスイッチから入力される電荷を積分する第１の積分器１５００と、第２のサンプリングスイッチから入力される電荷を積分する第２の積分器１５０１と、第１の積分器及び第２の積分器の両方にそれぞれ充電スイッチを介して接続されている複数の積分器と、制御部１４０と、複数の充電スイッチと、複数の放電スイッチとを有している。サンプリングスイッチ１３０から入力される電荷と、コンデンサ１５００に蓄積された電荷と、コンデンサ１５１０に蓄積された電荷とを、コンデンサ１５００とコンデンサ１５１０とコンデンサ１５３０とで共有し、コンデンサ１５３０に蓄積された電荷を出力する。
PCT/JP2008/002667 2007-09-27 2008-09-25 サンプリングフィルタ装置 WO2009041047A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009534181A JP5279141B2 (ja) 2007-09-27 2008-09-25 サンプリングフィルタ装置
CN2008801092060A CN101809868B (zh) 2007-09-27 2008-09-25 采样滤波器装置
US12/680,326 US8145175B2 (en) 2007-09-27 2008-09-25 Sampling filter apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007252367 2007-09-27
JP2007-252367 2007-09-27

Publications (1)

Publication Number Publication Date
WO2009041047A1 true WO2009041047A1 (ja) 2009-04-02

Family

ID=40510952

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002667 WO2009041047A1 (ja) 2007-09-27 2008-09-25 サンプリングフィルタ装置

Country Status (4)

Country Link
US (1) US8145175B2 (ja)
JP (1) JP5279141B2 (ja)
CN (1) CN101809868B (ja)
WO (1) WO2009041047A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10177781B2 (en) 2013-06-24 2019-01-08 Silicon Laboratories Inc. Circuit including a switched capacitor bridge and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004289793A (ja) * 2002-10-17 2004-10-14 Texas Instruments Inc 離散時間サンプルストリーム供給回路及びそれを含むシグマデルタミクサ
WO2007102459A1 (ja) * 2006-03-07 2007-09-13 Matsushita Electric Industrial Co., Ltd. 離散時間ダイレクトサンプリング回路及び受信機

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2099262B (en) * 1981-04-29 1984-11-14 Philips Electronic Associated Arrangement for checking the synchronisation of a receiver
US6020729A (en) * 1997-12-16 2000-02-01 Volterra Semiconductor Corporation Discrete-time sampling of data for use in switching regulators
US7006813B2 (en) 2001-08-15 2006-02-28 Texas Instruments Incorporated Efficient charge transfer using a switched capacitor resistor
US7519135B2 (en) 2001-08-15 2009-04-14 Texas Instruments Incorporated Direct radio frequency (RF) sampling with recursive filtering method
US7218904B2 (en) 2001-10-26 2007-05-15 Texas Instruments Incorporated Removing close-in interferers through a feedback loop
US6856925B2 (en) 2001-10-26 2005-02-15 Texas Instruments Incorporated Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space
US8027657B2 (en) 2001-10-26 2011-09-27 Texas Instruments Incorporated Sampling mixer with asynchronous clock and signal domains
US7289555B2 (en) * 2003-02-05 2007-10-30 Fujitsu Limited Method and system for signal processing using vector output from scalar data
JP2004289739A (ja) 2003-03-25 2004-10-14 Yamaha Corp ネットワーク機器のパラメータ設定方法、パラメータ設定装置およびプログラム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004289793A (ja) * 2002-10-17 2004-10-14 Texas Instruments Inc 離散時間サンプルストリーム供給回路及びそれを含むシグマデルタミクサ
WO2007102459A1 (ja) * 2006-03-07 2007-09-13 Matsushita Electric Industrial Co., Ltd. 離散時間ダイレクトサンプリング回路及び受信機

Also Published As

Publication number Publication date
US20100201424A1 (en) 2010-08-12
CN101809868A (zh) 2010-08-18
CN101809868B (zh) 2013-06-05
US8145175B2 (en) 2012-03-27
JPWO2009041047A1 (ja) 2011-01-20
JP5279141B2 (ja) 2013-09-04

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