KR940008786U - 동조 가능 필터 - Google Patents

동조 가능 필터

Info

Publication number
KR940008786U
KR940008786U KR2019920023560U KR920023560U KR940008786U KR 940008786 U KR940008786 U KR 940008786U KR 2019920023560 U KR2019920023560 U KR 2019920023560U KR 920023560 U KR920023560 U KR 920023560U KR 940008786 U KR940008786 U KR 940008786U
Authority
KR
South Korea
Prior art keywords
tunable filter
tunable
filter
Prior art date
Application number
KR2019920023560U
Other languages
English (en)
Other versions
KR200142247Y1 (ko
Inventor
마이클 코리 죤
Original Assignee
에이 티 앤드 티 코포레이션
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 에이 티 앤드 티 코포레이션 filed Critical 에이 티 앤드 티 코포레이션
Publication of KR940008786U publication Critical patent/KR940008786U/ko
Application granted granted Critical
Publication of KR200142247Y1 publication Critical patent/KR200142247Y1/ko

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59605—Circuits
    • G11B5/59622—Gain control; Filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1291—Current or voltage controlled filters
KR2019920023560U 1992-09-16 1992-11-27 동조 가능 필터 KR200142247Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/943,336 US5345119A (en) 1992-09-16 1992-09-16 Continuous-time filter tuning with a delay-locked-loop in mass storage systems or the like
US943,336 1992-09-16

Publications (2)

Publication Number Publication Date
KR940008786U true KR940008786U (ko) 1994-04-21
KR200142247Y1 KR200142247Y1 (ko) 1999-06-01

Family

ID=25479478

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019920023560U KR200142247Y1 (ko) 1992-09-16 1992-11-27 동조 가능 필터

Country Status (4)

Country Link
US (1) US5345119A (ko)
JP (1) JPH0629229U (ko)
KR (1) KR200142247Y1 (ko)
DE (1) DE9216205U1 (ko)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5414663A (en) * 1992-07-09 1995-05-09 Creative Integrated Systems, Inc. VLSI memory with an improved sense amplifier with dummy bit lines for modeling addressable bit lines
JPH0760988B2 (ja) * 1993-02-15 1995-06-28 日本電気株式会社 フィルタ回路
WO1997004524A1 (en) * 1995-07-18 1997-02-06 The Boeing Company Filter circuits composed of an integrated circuit chip and an external capacitance
US5608665A (en) * 1995-10-03 1997-03-04 Wyszynski; Adam S. Self-tuned, continuous-time active filter
US5953379A (en) 1996-02-23 1999-09-14 Harris Corporation Current-controlled carrier tracking filter for improved spurious signal suppression
US6085325A (en) * 1996-12-16 2000-07-04 Intel Corporation Method and apparatus for supporting power conservation operation modes
KR100264077B1 (ko) * 1997-11-21 2000-08-16 김영환 반도체 소자의 클럭보상장치
JP3114680B2 (ja) * 1997-12-15 2000-12-04 日本電気株式会社 アクティブフィルタ
US6282253B1 (en) * 1997-12-16 2001-08-28 Texas Instruments Incorporated Post-filtered recirculating delay-locked loop and method for producing a clock signal
US6055287A (en) * 1998-05-26 2000-04-25 Mcewan; Thomas E. Phase-comparator-less delay locked loop
KR100295052B1 (ko) 1998-09-02 2001-07-12 윤종용 전압제어지연라인의단위지연기들의수를가변시킬수있는제어부를구비하는지연동기루프및이에대한제어방법
KR100301048B1 (ko) 1998-10-19 2001-09-06 윤종용 지연단의수가가변하는지연동기루프및이를구동하는방법
US6879816B2 (en) * 1998-11-12 2005-04-12 Broadcom Corporation Integrated switchless programmable attenuator and low noise amplifier
US6097244A (en) * 1998-12-17 2000-08-01 Centillium Communications, Inc. Highly-linear continuous-time filter for a 3-volt supply with PLL-controlled resistor and digitally-controlled capacitor
US6259311B1 (en) * 1998-12-23 2001-07-10 Agere Systems Guardian Corp. Method and apparatus for tuning filters
US6157231A (en) * 1999-03-19 2000-12-05 Credence System Corporation Delay stabilization system for an integrated circuit
US6630860B1 (en) * 2000-09-20 2003-10-07 Applied Micro Circuits Corporation Programmable phase locked-loop filter architecture for a range selectable bandwidth
US6621675B2 (en) * 2001-02-02 2003-09-16 Broadcom Corporation High bandwidth, high PSRR, low dropout voltage regulator
US6566970B2 (en) 2001-02-02 2003-05-20 Broadcom Corporation High-speed, high PSRR, wide operating range voltage controlled oscillator
US6483358B2 (en) 2001-02-02 2002-11-19 Broadcom Corporation Low power, charge injection compensated charge pump
US6441660B1 (en) * 2001-02-02 2002-08-27 Broadcom Corporation High speed, wide bandwidth phase locked loop
US6646498B2 (en) * 2001-12-18 2003-11-11 Texas Instruments Incorporated High frequency tunable filter
US6753482B1 (en) * 2002-05-06 2004-06-22 Micron Technology, Inc. Semiconductor component with adjustment circuitry
KR100464446B1 (ko) * 2003-02-28 2005-01-03 삼성전자주식회사 임피던스 스케일링에 의한 주파수 응답 제어 장치
US6803813B1 (en) * 2003-04-22 2004-10-12 National Semiconductor Corporation Time constant-based calibration circuit for active filters
US6917252B1 (en) 2003-04-28 2005-07-12 Adam S. Wyszynski Fully integrated automatically-tuned RF and IF active bandpass filters
US7486338B1 (en) 2003-04-28 2009-02-03 Wyszynski Adam S Fully integrated terrestrial TV tuner architecture
US7078960B2 (en) * 2003-07-28 2006-07-18 Microtune (Texas), L.P. Method and system for filter tuning using a digital trim value
US6903994B1 (en) * 2003-11-14 2005-06-07 Micron Technology, Inc. Device, system and method for reducing power in a memory device during standby modes
DE202004004156U1 (de) * 2004-03-17 2005-08-04 Erben Kammerer Kg Schnell auslösendes Ventil
US7778408B2 (en) * 2004-12-30 2010-08-17 Texas Instruments Incorporated Method and apparatus for acoustic echo cancellation utilizing dual filters
US20060255996A1 (en) * 2005-04-08 2006-11-16 M/A-Com, Inc. And M/A-Com Eurotec Bv Baseband signal processor
EP1962421A1 (en) * 2007-02-23 2008-08-27 STMicroelectronics S.r.l. Calibration circuit for calibrating an adjustable capacitance of an integrated circuit having a time constant depending on said capacitance
US7869780B2 (en) * 2007-04-19 2011-01-11 Skyworks Solutions, Inc. Phase-locked loop based controller for adjusting an adaptive continuous-time filter
US9450626B2 (en) * 2014-11-14 2016-09-20 Qualcomm Incorporated Sawless architecture for receivers
US9628059B2 (en) 2015-06-18 2017-04-18 International Business Machines Corporation Fine delay structure with programmable delay ranges

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4509019A (en) * 1983-01-27 1985-04-02 At&T Bell Laboratories Tunable active filter
US4894734A (en) * 1987-05-15 1990-01-16 Maxtor Corporation Method and apparatus for constant density recording
US4945311A (en) * 1988-08-29 1990-07-31 Seagate Technology, Inc. Electronically variable equalizer
JP2962800B2 (ja) * 1990-09-29 1999-10-12 三洋電機株式会社 可変バンドパスフィルタの制御回路

Also Published As

Publication number Publication date
DE9216205U1 (ko) 1993-03-04
US5345119A (en) 1994-09-06
JPH0629229U (ja) 1994-04-15
KR200142247Y1 (ko) 1999-06-01

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Legal Events

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A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee