JP2005197975A5 - - Google Patents

Download PDF

Info

Publication number
JP2005197975A5
JP2005197975A5 JP2004001455A JP2004001455A JP2005197975A5 JP 2005197975 A5 JP2005197975 A5 JP 2005197975A5 JP 2004001455 A JP2004001455 A JP 2004001455A JP 2004001455 A JP2004001455 A JP 2004001455A JP 2005197975 A5 JP2005197975 A5 JP 2005197975A5
Authority
JP
Japan
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.)
Granted
Application number
JP2004001455A
Other versions
JP4282490B2 (ja
JP2005197975A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2004001455A priority Critical patent/JP4282490B2/ja
Priority claimed from JP2004001455A external-priority patent/JP4282490B2/ja
Priority to US11/007,620 priority patent/US7400868B2/en
Priority to CN200510004178.4A priority patent/CN1638275A/zh
Publication of JP2005197975A publication Critical patent/JP2005197975A/ja
Publication of JP2005197975A5 publication Critical patent/JP2005197975A5/ja
Application granted granted Critical
Publication of JP4282490B2 publication Critical patent/JP4282490B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2004001455A 2004-01-06 2004-01-06 フィルタ自動調整装置及び通信機 Expired - Fee Related JP4282490B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004001455A JP4282490B2 (ja) 2004-01-06 2004-01-06 フィルタ自動調整装置及び通信機
US11/007,620 US7400868B2 (en) 2004-01-06 2004-12-08 Automatic tuning apparatus for filter and communication instrument
CN200510004178.4A CN1638275A (zh) 2004-01-06 2005-01-06 滤波器和通信仪器的自动调谐装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004001455A JP4282490B2 (ja) 2004-01-06 2004-01-06 フィルタ自動調整装置及び通信機

Publications (3)

Publication Number Publication Date
JP2005197975A JP2005197975A (ja) 2005-07-21
JP2005197975A5 true JP2005197975A5 (ja) 2005-10-27
JP4282490B2 JP4282490B2 (ja) 2009-06-24

Family

ID=34709003

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004001455A Expired - Fee Related JP4282490B2 (ja) 2004-01-06 2004-01-06 フィルタ自動調整装置及び通信機

Country Status (3)

Country Link
US (1) US7400868B2 (ja)
JP (1) JP4282490B2 (ja)
CN (1) CN1638275A (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7761067B1 (en) * 2003-05-15 2010-07-20 Marvell International Ltd. Iterative filter circuit calibration
US7583948B2 (en) * 2005-04-28 2009-09-01 Kabushiki Kaisha Toshiba Time constant automatic adjusting circuit, filter circuit system, and method of automatically adjusting time constant
JP2007129616A (ja) * 2005-11-07 2007-05-24 Matsushita Electric Ind Co Ltd 受信機
JP4922649B2 (ja) * 2006-04-03 2012-04-25 株式会社東芝 フィルタの調整回路
US7561865B2 (en) * 2006-09-29 2009-07-14 Silicon Laboratories, Inc. System and method for determining a resonant frequency in a communications device
US7937058B2 (en) * 2006-10-18 2011-05-03 Freescale Semiconductor, Inc. Controlling the bandwidth of an analog filter
JP4887242B2 (ja) * 2007-08-30 2012-02-29 オンセミコンダクター・トレーディング・リミテッド 中間周波数フィルタ帯域切替制御装置
KR20100078231A (ko) * 2008-12-30 2010-07-08 삼성전자주식회사 무선 통신 시스템의 참조 귀환 회로를 이용한 필터링 장치 및 방법
GB0916369D0 (en) 2009-09-18 2009-10-28 Schrader Electronics Ltd Tracking filter apparatus for wheel monitoring systems
US8554267B2 (en) * 2009-12-26 2013-10-08 Motorola Solutions, Inc. Broadband input frequency adaptive technique for filter tuning and quadrature generation
JP2011250035A (ja) * 2010-05-25 2011-12-08 Sony Corp 受信装置、受信方法、プログラム、および受信システム
JP5517808B2 (ja) * 2010-07-22 2014-06-11 三菱電機株式会社 フィルタ装置
JP5017436B2 (ja) * 2010-08-19 2012-09-05 株式会社東芝 フィルタ調整装置、電源制御システム、およびフィルタ調整方法、
JP6078868B2 (ja) * 2012-04-23 2017-02-15 セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー チューナ
JP5323230B1 (ja) * 2012-06-15 2013-10-23 株式会社東芝 電子機器、フィルタ調整装置、フィルタ調整方法、及びフィルタ調整プログラム
CN103424688B (zh) * 2013-08-23 2016-10-05 沈阳东软医疗系统有限公司 检测de-q故障的方法、装置、电路和检测高压故障的系统
US9673782B1 (en) * 2016-08-16 2017-06-06 Qualcomm Inc. Center frequency and Q tuning of biquad filter by amplitude-limited oscillation-based calibration
CN106911321B (zh) * 2017-03-31 2023-11-03 泉芯电子技术(深圳)有限公司 一种快速调谐电路
CN113996562A (zh) * 2021-11-23 2022-02-01 格林美股份有限公司 一种基于伏安特性曲线的电池分选方法、装置及电子设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921085A (en) * 1973-11-23 1975-11-18 William J Keane Frequency discriminator apparatus
JPS622038B2 (ja) * 1979-12-26 1987-01-17 Daiyamondo Shamurotsuku Tekunorojiizu Sa
US4539566A (en) * 1982-11-04 1985-09-03 Texas Instruments Incorporated Automatic interference canceling apparatus
JPH0693594B2 (ja) * 1989-02-16 1994-11-16 株式会社東芝 アナログフィルタの自動調整回路
US5438304A (en) * 1990-12-19 1995-08-01 Jennings; Peter R. Automatically tuned notch filter for providing bandpass and band reject signals
US5369793A (en) * 1991-12-12 1994-11-29 Raytheon Company RF receiver adapted to process received RF pulses and reject RF continuous wave signals
WO1993023951A1 (de) * 1992-05-12 1993-11-25 Nokia (Deutschland) Gmbh Übertragungsanordnung für die übertragung eines auf eine trägerschwingung aufmodulierten nutzsignales
JPH0983294A (ja) * 1995-09-14 1997-03-28 Asahi Kasei Micro Syst Kk Ｇｍ−Ｃフィルタ回路およびＧｍ−Ｃフィルタの調整方法
JP3164008B2 (ja) * 1997-03-04 2001-05-08 日本電気株式会社 無線受信機
US6058148A (en) * 1997-06-27 2000-05-02 Ford Motor Company Digital processing radio receiver with adaptive bandwidth control
US6178314B1 (en) * 1997-06-27 2001-01-23 Visteon Global Technologies, Inc. Radio receiver with adaptive bandwidth controls at intermediate frequency and audio frequency sections
US6307443B1 (en) * 1999-09-24 2001-10-23 Agere Systems Guardian Corp. Bandpass filters with automatic tuning adjustment
CA2357491A1 (en) * 2001-09-17 2003-03-17 Ralph Mason Filter tuning using direct digital sub-sampling
US6888411B2 (en) * 2003-06-06 2005-05-03 Broadcom Corporation Radio frequency variable gain amplifier with linearity insensitive to gain

Similar Documents

Publication Publication Date Title
BE2024C508I2 (ja)
BE2022C549I2 (ja)
BE2024C511I2 (ja)
BE2020C513I2 (ja)
BE2020C517I2 (ja)
BE2019C540I2 (ja)
BE2019C548I2 (ja)
BE2018C045I2 (ja)
BE2017C027I2 (ja)
BE2017C023I2 (ja)
BE2014C071I2 (ja)
BE2014C064I2 (ja)
BE2014C063I2 (ja)
BE2019C535I2 (ja)
BE2014C010I2 (ja)
BE2014C014I2 (ja)
BE2013C071I2 (ja)
BE2013C021I2 (ja)
JP2005118544A5 (ja)
BR122015024347A2 (ja)
BRPI0508002A (ja)
JP2005337301A5 (ja)
JP2006001490A5 (ja)
JP2004360700A5 (ja)
IN2007CH02034A (ja)