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SE0100805L - Filtertrimning - Google Patents

Filtertrimning

Info

Publication number
SE0100805L
SE0100805L SE0100805A SE0100805A SE0100805L SE 0100805 L SE0100805 L SE 0100805L SE 0100805 A SE0100805 A SE 0100805A SE 0100805 A SE0100805 A SE 0100805A SE 0100805 L SE0100805 L SE 0100805L
Authority
SE
Sweden
Prior art keywords
signal
periodic
produces
control signal
phase
Prior art date
Application number
SE0100805A
Other languages
Unknown language ( )
English (en)
Other versions
SE0100805D0 (sv
SE519372C2 (sv
Inventor
Christian Nystroem
Per Konradsson
Ari Graesbeck
Original Assignee
Nat Semiconductor Corp
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 Nat Semiconductor Corp filed Critical Nat Semiconductor Corp
Priority to SE0100805A priority Critical patent/SE519372C2/sv
Publication of SE0100805D0 publication Critical patent/SE0100805D0/sv
Priority to EP02700954A priority patent/EP1366567A1/en
Priority to PCT/SE2002/000338 priority patent/WO2002073801A1/en
Priority to US10/093,683 priority patent/US6686809B2/en
Publication of SE0100805L publication Critical patent/SE0100805L/sv
Publication of SE519372C2 publication Critical patent/SE519372C2/sv
Priority to US10/769,976 priority patent/US7002427B2/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
    • H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
    • H03L7/0814—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the phase shifting device being digitally controlled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
    • H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
    • H03L7/0816—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the controlled phase shifter and the frequency- or phase-detection arrangement being connected to a common input
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/07—Calibration of receivers, using quartz crystal oscillators as reference
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/10—Tuning of a resonator by means of digitally controlled capacitor bank
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/18—Tuning of a master filter in order to tune its slave filter

Landscapes

  • Networks Using Active Elements (AREA)
SE0100805A 2001-03-09 2001-03-09 Metod och krets för filtertrimning SE519372C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE0100805A SE519372C2 (sv) 2001-03-09 2001-03-09 Metod och krets för filtertrimning
EP02700954A EP1366567A1 (en) 2001-03-09 2002-02-27 Filter trimming
PCT/SE2002/000338 WO2002073801A1 (en) 2001-03-09 2002-02-27 Filter trimming
US10/093,683 US6686809B2 (en) 2001-03-09 2002-03-08 Filter trimming
US10/769,976 US7002427B2 (en) 2001-03-09 2004-02-02 Filter trimming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0100805A SE519372C2 (sv) 2001-03-09 2001-03-09 Metod och krets för filtertrimning

Publications (3)

Publication Number Publication Date
SE0100805D0 SE0100805D0 (sv) 2001-03-09
SE0100805L true SE0100805L (sv) 2002-09-10
SE519372C2 SE519372C2 (sv) 2003-02-18

Family

ID=20283275

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0100805A SE519372C2 (sv) 2001-03-09 2001-03-09 Metod och krets för filtertrimning

Country Status (4)

Country Link
US (2) US6686809B2 (sv)
EP (1) EP1366567A1 (sv)
SE (1) SE519372C2 (sv)
WO (1) WO2002073801A1 (sv)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
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SE519372C2 (sv) * 2001-03-09 2003-02-18 Nat Semiconductor Corp Metod och krets för filtertrimning
JP2004096313A (ja) * 2002-08-30 2004-03-25 Niigata Seimitsu Kk 受信機およびその調整システム、方法
FR2850499B1 (fr) * 2003-01-28 2005-10-21 St Microelectronics Sa Procede et circuit de correction de l'offset d'une chaine d'amplification
US8150362B2 (en) * 2003-04-03 2012-04-03 Maxim Integrated Products, Inc. Electronically tuned agile integrated bandpass filter
TW595221B (en) * 2003-04-17 2004-06-21 Realtek Semiconductor Corp Analog front-end device having filtering function with tunable bandwidth
US7761067B1 (en) 2003-05-15 2010-07-20 Marvell International Ltd. Iterative filter circuit calibration
US6972633B2 (en) * 2003-08-27 2005-12-06 Nokia Corporation Calibrating a loop-filter of a phase locked loop
KR100563661B1 (ko) * 2003-12-18 2006-03-23 한국전자통신연구원 가변 고차 베셀 저역 통과 필터
US6965275B2 (en) * 2004-02-13 2005-11-15 Infineon Technologies Ag Method and apparatus for tuning a filter
US7064557B2 (en) * 2004-03-16 2006-06-20 Broadcom Corporation Calibration circuit and method for filter bandwidth which is parasitic capacitance sensitive or insensitive
JP4317877B2 (ja) * 2004-12-13 2009-08-19 パナソニック株式会社 フィルタの特性調整装置、及びその特性調整方法
US8340616B2 (en) * 2004-12-16 2012-12-25 Entropic Communications, Inc. Tracking filter for tuner
WO2006066000A1 (en) * 2004-12-16 2006-06-22 Rf Magic, Inc. Tracking filter for tuner
US7190213B2 (en) * 2005-03-25 2007-03-13 Freescale Semiconductor, Inc. Digital time constant tracking technique and apparatus
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
GB2427088B (en) * 2005-06-08 2008-12-24 Zarlink Semiconductor Ltd Radio frequency tuner
US7304530B2 (en) * 2005-06-30 2007-12-04 Silicon Laboratories Inc. Utilization of device types having different threshold voltages
US8294505B2 (en) * 2005-08-23 2012-10-23 International Business Machines Corporation Stackable programmable passive device and a testing method
US20070127169A1 (en) * 2005-12-07 2007-06-07 Rambus, Inc. Integrated circuit with configurable bypass capacitance
KR100720965B1 (ko) * 2006-06-27 2007-05-23 박영진 차단 주파수 조절이 가능한 전자파 차폐 필터
US7937058B2 (en) * 2006-10-18 2011-05-03 Freescale Semiconductor, Inc. Controlling the bandwidth of an analog filter
FR2908249B1 (fr) * 2006-11-06 2008-12-19 Siemens Vdo Automotive Sas Circuit integre specialise a controle automatique d'accord de constantes de temps
US7869780B2 (en) * 2007-04-19 2011-01-11 Skyworks Solutions, Inc. Phase-locked loop based controller for adjusting an adaptive continuous-time filter
US7855688B2 (en) * 2007-06-11 2010-12-21 Airgizmos, Lp Removable mounting device for antenna
US20090002056A1 (en) * 2007-06-30 2009-01-01 Doyle James T Active resistance circuit with controllable temperature coefficient
US7649407B2 (en) * 2007-09-28 2010-01-19 Intel Corporation Digitally tuned, integrated RF filters with enhanced linearity for multi-band radio applications
US8086974B2 (en) * 2008-03-31 2011-12-27 International Business Machines Corporation Structure for fractional-N phased-lock-loop (PLL) system
US7750697B2 (en) * 2008-03-31 2010-07-06 International Business Machines Corporation Fractional-N phased-lock-loop (PLL) system
EP2141806A1 (en) 2008-07-02 2010-01-06 Abilis Systems Sarl System for automatic tuning of an analogue filter
US8054144B2 (en) * 2008-07-02 2011-11-08 Atmel Corporation Mode switching RC network
US8081936B2 (en) * 2009-01-22 2011-12-20 Mediatek Inc. Method for tuning a digital compensation filter within a transmitter, and associated digital compensation filter and associated calibration circuit
WO2011041064A2 (en) 2009-10-01 2011-04-07 Rambus Inc. Methods and systems for reducing supply and termination noise
US8987818B1 (en) 2009-11-13 2015-03-24 Maxim Integrated Products, Inc. Integrated MOS power transistor with thin gate oxide and low gate charge
US8154328B1 (en) 2010-06-11 2012-04-10 Altera Corporation Techniques for measuring phases of periodic signals
US8729981B2 (en) * 2011-05-12 2014-05-20 Colby Instruments, Inc. Precision delay line instrument
US9450566B2 (en) * 2013-05-09 2016-09-20 The Regents Of The University Of California Sharp programmable filters using periodically time-varying components
US9065324B2 (en) * 2013-10-23 2015-06-23 Taiwan Semiconductor Manufacturing Company, Ltd. Electronic device with PVT delay compensation and related method
CN112327280B (zh) * 2020-10-27 2022-05-17 哈尔滨工程大学 一种水声均匀线阵阵元编号校正方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS579530B2 (sv) * 1974-07-08 1982-02-22
US4528698A (en) * 1983-12-22 1985-07-09 Motorola, Inc. Tuning system for RF receiver
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
AT397166B (de) * 1990-05-04 1994-02-25 Siemens Ag Oesterreich Schaltungsanordnung zur erzeugung eines analogen, um 90 grad gegenüber einem eingangssignal phasenverschobenen ausgangssignals
FI87864C (sv) * 1991-05-09 1993-02-25 Telenokia Oy Anordning och förfarande för reglering av ett bandpassfilter, särskilt ett kombinatorfilter
US5245646A (en) * 1992-06-01 1993-09-14 Motorola, Inc. Tuning circuit for use with an integrated continuous time analog filter
JPH08191231A (ja) * 1995-01-06 1996-07-23 Sony Corp フィルタ回路
GB9704719D0 (en) * 1997-03-07 1997-04-23 Plessey Semiconductors Ltd Frequency tracking arrangements
US6014554A (en) * 1997-09-30 2000-01-11 Lucent Technologies, Inc. Method and apparatus for tuning analog filters
FR2775141B1 (fr) * 1998-02-19 2002-10-11 Sgs Thomson Microelectronics Dispositif d'etalonnage de constantes de temps
SE519372C2 (sv) * 2001-03-09 2003-02-18 Nat Semiconductor Corp Metod och krets för filtertrimning

Also Published As

Publication number Publication date
US6686809B2 (en) 2004-02-03
US20020190810A1 (en) 2002-12-19
WO2002073801A1 (en) 2002-09-19
EP1366567A1 (en) 2003-12-03
US7002427B2 (en) 2006-02-21
US20040212447A1 (en) 2004-10-28
SE0100805D0 (sv) 2001-03-09
SE519372C2 (sv) 2003-02-18

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