JP2005223439A5 - - Google Patents
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- Publication number
- JP2005223439A5 JP2005223439A5 JP2004027051A JP2004027051A JP2005223439A5 JP 2005223439 A5 JP2005223439 A5 JP 2005223439A5 JP 2004027051 A JP2004027051 A JP 2004027051A JP 2004027051 A JP2004027051 A JP 2004027051A JP 2005223439 A5 JP2005223439 A5 JP 2005223439A5
- Authority
- JP
- Japan
- Prior art keywords
- phase
- filter
- setting circuit
- signal
- circuit according
- 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
Links
- 238000001914 filtration Methods 0.000 claims 1
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004027051A JP2005223439A (ja) | 2004-02-03 | 2004-02-03 | 周波数設定回路 |
| US11/045,358 US7180364B2 (en) | 2004-02-03 | 2005-01-31 | Filter apparatus including slave gm-C filter with frequency characteristics automatically tuned by master circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004027051A JP2005223439A (ja) | 2004-02-03 | 2004-02-03 | 周波数設定回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005223439A JP2005223439A (ja) | 2005-08-18 |
| JP2005223439A5 true JP2005223439A5 (enExample) | 2006-11-09 |
Family
ID=34805859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004027051A Pending JP2005223439A (ja) | 2004-02-03 | 2004-02-03 | 周波数設定回路 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7180364B2 (enExample) |
| JP (1) | JP2005223439A (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3922261B2 (ja) * | 2004-03-08 | 2007-05-30 | セイコーエプソン株式会社 | データドライバ及び表示装置 |
| FR2878665B1 (fr) * | 2004-11-30 | 2007-05-25 | St Microelectronics Rousset | Circuit amplificateur a transconductance a gain negatif |
| 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 |
| US7496865B2 (en) * | 2005-05-20 | 2009-02-24 | Chung Yuan Christian University | OTA-based high-order filters |
| JP2007214800A (ja) * | 2006-02-08 | 2007-08-23 | Nec Electronics Corp | 複素フィルタ回路 |
| US20070194839A1 (en) * | 2006-02-23 | 2007-08-23 | Anadigics, Inc. | Tunable balanced loss compensation in an electronic filter |
| TWI311401B (en) * | 2006-03-14 | 2009-06-21 | Princeton Technology Corporatio | Calibration loop, filter circuit and related method capable of auto adjusting center frequency of a filter |
| TWI305986B (en) | 2006-03-14 | 2009-02-01 | Princeton Technology Corp | Fsk demodulator, fm demodulator and related method with a build-in band-pass filter |
| KR100853526B1 (ko) * | 2007-02-23 | 2008-08-21 | 충북대학교 산학협력단 | 저역 통과 필터에 의해 이득 제어가 이루어지는 무선수신기 |
| US8054859B2 (en) * | 2007-06-12 | 2011-11-08 | Thomson Licensing | Precesion/speed compromise of a synchronization signal reception device |
| US7852152B2 (en) * | 2008-08-28 | 2010-12-14 | Menara Networks | Nth order tunable low-pass continuous time filter for fiber optic receivers |
| US20110090020A1 (en) * | 2009-10-15 | 2011-04-21 | Reeser Glen O | Voltage Controlled SAW Oscillator with Phase Shifter |
| JP5503990B2 (ja) * | 2010-02-02 | 2014-05-28 | ローム株式会社 | 位相ロックループ回路およびそれを用いた電子機器 |
| US8410962B2 (en) * | 2011-01-19 | 2013-04-02 | Analog Devices, Inc. | Active RC resonators with enhanced Q factor |
| JP2013219569A (ja) | 2012-04-10 | 2013-10-24 | Seiko Epson Corp | トランスコンダクタンス調整回路、回路装置及び電子機器 |
| JP2013236204A (ja) * | 2012-05-08 | 2013-11-21 | Seiko Epson Corp | 回路装置及び電子機器 |
| US8760222B2 (en) * | 2012-09-24 | 2014-06-24 | Motorola Mobility Llc | Method and apparatus for controlling or managing bandwidth of a filter circuit within a system having two integrated circuits |
| CN108418568B (zh) * | 2018-01-26 | 2021-05-14 | 超越科技股份有限公司 | 一种电流复用式低通滤波器 |
| US12231048B2 (en) * | 2022-01-11 | 2025-02-18 | Mediatek Inc. | Apparatus and method for controlling transient boost circuit of voltage regulator through feedback signals obtained by differential sensing applied to output capacitor |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5117205A (en) * | 1990-05-01 | 1992-05-26 | U.S. Philips Corporation | Electrically controllable oscillator circuit, and electrically controllable filter arrangement comprising said circuits |
| KR100312623B1 (ko) * | 1993-02-26 | 2001-12-28 | 이데이 노부유끼 | 액티브필터회로장치 |
| JP3318725B2 (ja) * | 1994-01-12 | 2002-08-26 | 株式会社日立製作所 | アナログフィルタ回路 |
| US5625317A (en) * | 1994-08-08 | 1997-04-29 | Texas Instruments Incorporated | Tuning method for integrated continuous-time filters |
| US6112125A (en) * | 1995-03-08 | 2000-08-29 | Silicon Systems, Inc. | Self-tuning method and apparatus for continuous-time filters |
| JPH09320199A (ja) | 1996-06-03 | 1997-12-12 | Hitachi Ltd | アナログフィルタおよびこれを用いた信号処理用半導体集積回路、記録再生装置、伝送送受信装置 |
| GB9704719D0 (en) * | 1997-03-07 | 1997-04-23 | Plessey Semiconductors Ltd | Frequency tracking arrangements |
| US6873205B1 (en) * | 2000-10-27 | 2005-03-29 | The Trustees Of Columbia University In The City Of New York | Active continuous-time filter with increased dynamic range in the presence of blocker signals |
| DE10122831A1 (de) * | 2001-05-11 | 2002-11-14 | Philips Corp Intellectual Pty | Integriertes geregeltes DVB-Filter |
| US7400190B2 (en) * | 2002-09-05 | 2008-07-15 | Nxp B.V. | Self calibration of continuous-time filters and systems comprising such filters |
-
2004
- 2004-02-03 JP JP2004027051A patent/JP2005223439A/ja active Pending
-
2005
- 2005-01-31 US US11/045,358 patent/US7180364B2/en not_active Expired - Fee Related
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