ES2118091T3 - Filtro universal. - Google Patents

Filtro universal.

Info

Publication number
ES2118091T3
ES2118091T3 ES91920219T ES91920219T ES2118091T3 ES 2118091 T3 ES2118091 T3 ES 2118091T3 ES 91920219 T ES91920219 T ES 91920219T ES 91920219 T ES91920219 T ES 91920219T ES 2118091 T3 ES2118091 T3 ES 2118091T3
Authority
ES
Spain
Prior art keywords
filter
universal
well
presents
inputs
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.)
Expired - Lifetime
Application number
ES91920219T
Other languages
English (en)
Inventor
Martin Rieger
Sabine Roth
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Application granted granted Critical
Publication of ES2118091T3 publication Critical patent/ES2118091T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
    • H03H11/0466—Filters combining transconductance amplifiers with other active elements, e.g. operational amplifiers, transistors, voltage conveyors
    • 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

Landscapes

  • Networks Using Active Elements (AREA)

Abstract

LOS HASTA AHORA CONOCIDOS FILTROS UNIVERSALES DISPONEN DE UNA EJECUCION DEL CIRCUITO O OVERHEAD RELATIVAMENTE COMPLEJO. ES COMETIDO DE LA INVENCION DESARROLLAR UN FILTRO UNIVERSAL, QUE PRESENTE UNA EJECUCION MAS SENCILLA Y UNA REDUCCION DE COMPONENTES. SEGUN LA INVENCION, EL FILTRO UNIVERSAL PRESENTA EN UNA ESTRUCTURA DE FILTRO BIQUAD TRES ENTRADAS VH,VB Y VL, ASI COMO UNA SALIDA VOUT Y DOS AMPLIFICADORES DE CONDUCTANCIA GM1 Y GM2, CUATRO CONDENSADORES MCO, (1-M) CO, O Y ICO, ASI COMO UN AMPLIFICADOR K CON LA AMPLIFICACION K, ASI COMO UN CONTROLADOR DE TENSION CON UNA ENTRADA DE ALTO OHMIAJE. SEGUN LA CARGA DE LAS ENTRADAS VH, VB Y VL, SE HA CONCEBIDO EL FILTRO UNIVERSAL O COMO FILTRO PASA ALTO O FILTRO PASA BAJO, O COMO FILTRO PASABANDA O FILTRO DE BANDA DE CIERRE (FILTRO TRAP), O COMO FILTRO DE PASO UNIVERSAL O COMO OTRO CUALQUIER FILTRO ACTIVO. SEGUN LA DIMENSION DE LOS PARAMETROS GM1, GM2, M, L, Y K, SON AJUSTABLES LAS DISTINTAS CARACTERISTICAS DEL FILTRO, COMO CALIDAD, PENDIENTE, FRECUENCIA MEDIA, AMPLIFICACION ETC. RECEPTORES DE TELEVISION, ESPECIALMENTE RECEPTORES DE TELEVISION CON MULTINORMA, RECEPTORES DE RADIO.
ES91920219T 1990-11-29 1991-11-21 Filtro universal. Expired - Lifetime ES2118091T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4038111A DE4038111A1 (de) 1990-11-29 1990-11-29 Universalfilter

Publications (1)

Publication Number Publication Date
ES2118091T3 true ES2118091T3 (es) 1998-09-16

Family

ID=6419237

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91920219T Expired - Lifetime ES2118091T3 (es) 1990-11-29 1991-11-21 Filtro universal.

Country Status (15)

Country Link
US (1) US5317217A (es)
EP (1) EP0559684B1 (es)
JP (1) JP3181588B2 (es)
KR (1) KR0184690B1 (es)
CN (1) CN1025265C (es)
DE (2) DE4038111A1 (es)
ES (1) ES2118091T3 (es)
MX (1) MX9102257A (es)
MY (1) MY107690A (es)
PL (1) PL166590B1 (es)
PT (1) PT99636B (es)
SG (1) SG47118A1 (es)
TR (1) TR25627A (es)
WO (1) WO1992010031A1 (es)
ZA (1) ZA919412B (es)

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JP3005413B2 (ja) * 1994-01-26 2000-01-31 三洋電機株式会社 フィルタ回路
GB9415120D0 (en) * 1994-07-27 1994-09-14 Philips Electronics Uk Ltd Improvements in or relating to zero IF receivers
JP3151376B2 (ja) * 1995-04-26 2001-04-03 株式会社東芝 フィルタ回路
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US6072360A (en) * 1997-11-24 2000-06-06 Mccullough; Rob Analog sampling filters
FR2778512B1 (fr) * 1998-05-11 2000-08-04 Sgs Thomson Microelectronics Filtre passe-bande a transconducteurs
US6157248A (en) * 1998-05-20 2000-12-05 Matsushita Electric Industrial Co., Ltd. Active filter circuit
US6310512B1 (en) 1999-11-22 2001-10-30 Cardiac Pacemakers, Inc. Integrated self-adjustable continuous time band pass filter based upon Gm cell with bipolar transistors
JP3579286B2 (ja) * 1999-03-11 2004-10-20 株式会社東芝 アクティブフィルタ回路
US6278263B1 (en) 1999-09-01 2001-08-21 Intersil Corporation Multi-phase converter with balanced currents
US6630860B1 (en) 2000-09-20 2003-10-07 Applied Micro Circuits Corporation Programmable phase locked-loop filter architecture for a range selectable bandwidth
KR20020073619A (ko) * 2001-03-15 2002-09-28 최윤식 교통신호기의 서지전압 투입 방지회로
EP1248354A1 (en) * 2001-04-06 2002-10-09 Intersil Corporation Multi-phase converter with balanced currents
US6930544B2 (en) * 2003-03-07 2005-08-16 Matsushita Electric Industrial Co., Ltd. Filter
EP1513253A1 (en) * 2003-09-05 2005-03-09 Semiconductor Ideas to The Market (ItoM) BV Programmable high precision filter
CN1633028B (zh) * 2005-01-25 2010-04-28 威盛电子股份有限公司 锁相回路和其应用的回路滤波器
JP2009105727A (ja) * 2007-10-24 2009-05-14 Sanyo Electric Co Ltd Ｆｍ受信機
US9112452B1 (en) 2009-07-14 2015-08-18 Rf Micro Devices, Inc. High-efficiency power supply for a modulated load
EP2782246B1 (en) 2010-04-19 2018-06-13 Qorvo US, Inc. Pseudo-envelope following power management system
US9099961B2 (en) 2010-04-19 2015-08-04 Rf Micro Devices, Inc. Output impedance compensation of a pseudo-envelope follower power management system
US8981848B2 (en) 2010-04-19 2015-03-17 Rf Micro Devices, Inc. Programmable delay circuitry
US9431974B2 (en) 2010-04-19 2016-08-30 Qorvo Us, Inc. Pseudo-envelope following feedback delay compensation
US8461917B2 (en) * 2010-06-25 2013-06-11 Chung Yuan Christian University Complimentary single-ended-input OTA-C universal filter structures
WO2012047738A1 (en) 2010-09-29 2012-04-12 Rf Micro Devices, Inc. SINGLE μC-BUCKBOOST CONVERTER WITH MULTIPLE REGULATED SUPPLY OUTPUTS
US9075673B2 (en) 2010-11-16 2015-07-07 Rf Micro Devices, Inc. Digital fast dB to gain multiplier for envelope tracking systems
EP2673880B1 (en) 2011-02-07 2017-09-06 Qorvo US, Inc. Group delay calibration method for power amplifier envelope tracking
US9379667B2 (en) 2011-05-05 2016-06-28 Rf Micro Devices, Inc. Multiple power supply input parallel amplifier based envelope tracking
US9247496B2 (en) 2011-05-05 2016-01-26 Rf Micro Devices, Inc. Power loop control based envelope tracking
US9246460B2 (en) 2011-05-05 2016-01-26 Rf Micro Devices, Inc. Power management architecture for modulated and constant supply operation
CN103748794B (zh) 2011-05-31 2015-09-16 射频小型装置公司 一种用于测量发射路径的复数增益的方法和设备
US9019011B2 (en) 2011-06-01 2015-04-28 Rf Micro Devices, Inc. Method of power amplifier calibration for an envelope tracking system
US8760228B2 (en) 2011-06-24 2014-06-24 Rf Micro Devices, Inc. Differential power management and power amplifier architecture
US8952710B2 (en) 2011-07-15 2015-02-10 Rf Micro Devices, Inc. Pulsed behavior modeling with steady state average conditions
WO2013012787A2 (en) 2011-07-15 2013-01-24 Rf Micro Devices, Inc. Modified switching ripple for envelope tracking system
US9263996B2 (en) 2011-07-20 2016-02-16 Rf Micro Devices, Inc. Quasi iso-gain supply voltage function for envelope tracking systems
US8942652B2 (en) 2011-09-02 2015-01-27 Rf Micro Devices, Inc. Split VCC and common VCC power management architecture for envelope tracking
US8957728B2 (en) * 2011-10-06 2015-02-17 Rf Micro Devices, Inc. Combined filter and transconductance amplifier
US9484797B2 (en) 2011-10-26 2016-11-01 Qorvo Us, Inc. RF switching converter with ripple correction
CN103988406B (zh) 2011-10-26 2017-03-01 Qorvo美国公司 射频(rf)开关转换器以及使用rf开关转换器的rf放大装置
US9024688B2 (en) 2011-10-26 2015-05-05 Rf Micro Devices, Inc. Dual parallel amplifier based DC-DC converter
CN103959189B (zh) 2011-10-26 2015-12-23 射频小型装置公司 基于电感的并行放大器相位补偿
US9250643B2 (en) 2011-11-30 2016-02-02 Rf Micro Devices, Inc. Using a switching signal delay to reduce noise from a switching power supply
US9515621B2 (en) 2011-11-30 2016-12-06 Qorvo Us, Inc. Multimode RF amplifier system
US8975959B2 (en) 2011-11-30 2015-03-10 Rf Micro Devices, Inc. Monotonic conversion of RF power amplifier calibration data
US8947161B2 (en) 2011-12-01 2015-02-03 Rf Micro Devices, Inc. Linear amplifier power supply modulation for envelope tracking
US9256234B2 (en) 2011-12-01 2016-02-09 Rf Micro Devices, Inc. Voltage offset loop for a switching controller
US9280163B2 (en) 2011-12-01 2016-03-08 Rf Micro Devices, Inc. Average power tracking controller
US9041365B2 (en) 2011-12-01 2015-05-26 Rf Micro Devices, Inc. Multiple mode RF power converter
US9494962B2 (en) 2011-12-02 2016-11-15 Rf Micro Devices, Inc. Phase reconfigurable switching power supply
US9813036B2 (en) 2011-12-16 2017-11-07 Qorvo Us, Inc. Dynamic loadline power amplifier with baseband linearization
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WO2014018861A1 (en) 2012-07-26 2014-01-30 Rf Micro Devices, Inc. Programmable rf notch filter for envelope tracking
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US9197256B2 (en) 2012-10-08 2015-11-24 Rf Micro Devices, Inc. Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal
US9207692B2 (en) 2012-10-18 2015-12-08 Rf Micro Devices, Inc. Transitioning from envelope tracking to average power tracking
US9627975B2 (en) 2012-11-16 2017-04-18 Qorvo Us, Inc. Modulated power supply system and method with automatic transition between buck and boost modes
WO2014116933A2 (en) 2013-01-24 2014-07-31 Rf Micro Devices, Inc Communications based adjustments of an envelope tracking power supply
US9178472B2 (en) 2013-02-08 2015-11-03 Rf Micro Devices, Inc. Bi-directional power supply signal based linear amplifier
WO2014152876A1 (en) 2013-03-14 2014-09-25 Rf Micro Devices, Inc Noise conversion gain limited rf power amplifier
US9197162B2 (en) 2013-03-14 2015-11-24 Rf Micro Devices, Inc. Envelope tracking power supply voltage dynamic range reduction
US9479118B2 (en) 2013-04-16 2016-10-25 Rf Micro Devices, Inc. Dual instantaneous envelope tracking
US9374005B2 (en) 2013-08-13 2016-06-21 Rf Micro Devices, Inc. Expanded range DC-DC converter
US9614476B2 (en) 2014-07-01 2017-04-04 Qorvo Us, Inc. Group delay calibration of RF envelope tracking
US9843294B2 (en) 2015-07-01 2017-12-12 Qorvo Us, Inc. Dual-mode envelope tracking power converter circuitry
US9912297B2 (en) 2015-07-01 2018-03-06 Qorvo Us, Inc. Envelope tracking power converter circuitry
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IT201700068559A1 (it) * 2017-06-20 2018-12-20 Active Tech S R L Strumento elettronico per generare segnali elettrici
US10476437B2 (en) 2018-03-15 2019-11-12 Qorvo Us, Inc. Multimode voltage tracker circuit
CN109194304B (zh) * 2018-07-13 2023-02-14 厦门芯豪科技有限公司 一种适用于生理信号处理的带通滤波器

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JP2542634B2 (ja) * 1987-09-08 1996-10-09 株式会社東芝 アクティブフィルタ型信号調整回路
US4857778A (en) * 1988-01-28 1989-08-15 Maxim Integrated Products Programmable universal active filter
JPH03172014A (ja) * 1989-11-30 1991-07-25 Toshiba Corp アクティブ・フィルタ
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
WO1992010031A1 (de) 1992-06-11
PT99636A (pt) 1993-11-30
PL292549A1 (en) 1992-08-24
EP0559684A1 (de) 1993-09-15
PT99636B (pt) 1999-04-30
CN1025265C (zh) 1994-06-29
DE59108986D1 (de) 1998-06-18
MX9102257A (es) 1992-07-08
CN1062439A (zh) 1992-07-01
US5317217A (en) 1994-05-31
PL166590B1 (pl) 1995-06-30
ZA919412B (en) 1992-08-26
EP0559684B1 (de) 1998-05-13
SG47118A1 (en) 1998-03-20
DE4038111A1 (de) 1992-06-04
KR0184690B1 (ko) 1999-05-01
JPH06503212A (ja) 1994-04-07
JP3181588B2 (ja) 2001-07-03
TR25627A (tr) 1993-07-01
KR930702818A (ko) 1993-09-09
MY107690A (en) 1996-05-30

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