JP2018509053A - スイッチング共振器フィルタ回路および方法 - Google Patents

スイッチング共振器フィルタ回路および方法 Download PDF

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Publication number
JP2018509053A
JP2018509053A JP2017540095A JP2017540095A JP2018509053A JP 2018509053 A JP2018509053 A JP 2018509053A JP 2017540095 A JP2017540095 A JP 2017540095A JP 2017540095 A JP2017540095 A JP 2017540095A JP 2018509053 A JP2018509053 A JP 2018509053A
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Japan
Prior art keywords
circuit
resonant switching
frequency
switching circuit
signal
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2017540095A
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English (en)
Japanese (ja)
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JP2018509053A5 (enExample
Inventor
パク、ジュンドン
キム、ホン・スン
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2018509053A publication Critical patent/JP2018509053A/ja
Publication of JP2018509053A5 publication Critical patent/JP2018509053A5/ja
Pending legal-status Critical Current

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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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1081—Reduction of multipath noise
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/075—Ladder networks, e.g. electric wave filters
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Filters And Equalizers (AREA)
  • Filters That Use Time-Delay Elements (AREA)
JP2017540095A 2015-01-30 2015-12-29 スイッチング共振器フィルタ回路および方法 Pending JP2018509053A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/610,888 US9559735B2 (en) 2015-01-30 2015-01-30 Switching resonator filter circuits and methods
US14/610,888 2015-01-30
PCT/US2015/067854 WO2016122815A1 (en) 2015-01-30 2015-12-29 Switching resonator filter circuits and methods

Publications (2)

Publication Number Publication Date
JP2018509053A true JP2018509053A (ja) 2018-03-29
JP2018509053A5 JP2018509053A5 (enExample) 2019-01-24

Family

ID=55272612

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017540095A Pending JP2018509053A (ja) 2015-01-30 2015-12-29 スイッチング共振器フィルタ回路および方法

Country Status (5)

Country Link
US (1) US9559735B2 (enExample)
EP (1) EP3251211A1 (enExample)
JP (1) JP2018509053A (enExample)
CN (1) CN107210720A (enExample)
WO (1) WO2016122815A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023502150A (ja) * 2020-01-09 2023-01-20 ビーエイイー・システムズ・インフォメーション・アンド・エレクトロニック・システムズ・インテグレイション・インコーポレーテッド 自己調整ｎパスフィルタ

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10128819B2 (en) * 2016-01-21 2018-11-13 Qualcomm Incorporated High rejection wideband bandpass N-path filter
WO2017204347A1 (ja) * 2016-05-27 2017-11-30 株式会社村田製作所 高周波フィルタ装置、及び、通信装置
US10439593B2 (en) * 2017-09-22 2019-10-08 Qualcomm Incorporated Multi-band filter architectures

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003023363A (ja) * 2001-07-09 2003-01-24 Hitachi Media Electoronics Co Ltd 帯域可変型フィルタ装置及びそれを用いた通信装置
US20050212612A1 (en) * 2004-01-30 2005-09-29 Kabushiki Kaisha Toshiba Tunable filter and portable telephone
US20120170617A1 (en) * 2007-01-24 2012-07-05 Brian Brunn Frequency and Q-Factor Tunable Filters Using Frequency Translatable Impedance Structures

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US4980665A (en) * 1987-05-22 1990-12-25 Recoton Corporation Remote control repeater
US6061551A (en) * 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7002403B2 (en) 2002-09-13 2006-02-21 Broadcom Corporation Transconductance/C complex band-pass filter
JP2006157866A (ja) 2004-10-27 2006-06-15 Matsushita Electric Ind Co Ltd 複素フィルタ回路および受信回路
US7187230B2 (en) * 2005-03-18 2007-03-06 Nokia Corporation Transferred-impedance filtering in RF receivers
US20080309827A1 (en) * 2005-03-21 2008-12-18 Nxp B.V. Filter Device, Circuit Arrangement Comprising Such Filter Device as Well as Method of Operating Such Filter Device
WO2009025056A1 (ja) 2007-08-23 2009-02-26 Fujitsu Limited デュープレクサ、通信モジュール、および通信装置
US8301105B2 (en) * 2009-08-13 2012-10-30 Texas Instruments Incorporated Receiver front end
WO2013005264A1 (ja) 2011-07-07 2013-01-10 富士通株式会社 可変フィルタ装置および通信装置
US8847676B2 (en) 2012-06-26 2014-09-30 Freescale Semiconductor, Inc. Image rejection for low IF receivers
US9559659B2 (en) * 2013-03-15 2017-01-31 Wispry, Inc. Tunable filter systems, devices, and methods

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003023363A (ja) * 2001-07-09 2003-01-24 Hitachi Media Electoronics Co Ltd 帯域可変型フィルタ装置及びそれを用いた通信装置
US20050212612A1 (en) * 2004-01-30 2005-09-29 Kabushiki Kaisha Toshiba Tunable filter and portable telephone
US20120170617A1 (en) * 2007-01-24 2012-07-05 Brian Brunn Frequency and Q-Factor Tunable Filters Using Frequency Translatable Impedance Structures

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
AMIR GHAFFARI ET AL.: ""Tunable N-path notch filters for blocker suppression:modeling and verification"", IEEE JOURNAL OF SOLID-STATE CIRCUITS, vol. 48, no. 6, JPN6020003455, June 2013 (2013-06-01), US, pages 1370 - 1382, ISSN: 0004269393 *
MILAD DARVISHI ET AL.: ""Widely tunable 4th order switched gm-C band-pass filter based on N-path filters"", IEEE JOURNAL OF SOLID-STATE CIRCUITS, vol. 47, no. 12, JPN6020003457, December 2012 (2012-12-01), US, pages 3105 - 3119, ISSN: 0004269394 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023502150A (ja) * 2020-01-09 2023-01-20 ビーエイイー・システムズ・インフォメーション・アンド・エレクトロニック・システムズ・インテグレイション・インコーポレーテッド 自己調整ｎパスフィルタ
JP7310029B2 (ja) 2020-01-09 2023-07-18 ビーエイイー・システムズ・インフォメーション・アンド・エレクトロニック・システムズ・インテグレイション・インコーポレーテッド 自己調整ｎパスフィルタ

Also Published As

Publication number Publication date
EP3251211A1 (en) 2017-12-06
WO2016122815A1 (en) 2016-08-04
CN107210720A (zh) 2017-09-26
US9559735B2 (en) 2017-01-31
US20160226536A1 (en) 2016-08-04

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