DE602005024432D1 - Vorrichtung zur filterung einer referenzspannung und mobiltelefone mit dieser vorrichtung - Google Patents

Vorrichtung zur filterung einer referenzspannung und mobiltelefone mit dieser vorrichtung

Info

Publication number
DE602005024432D1
DE602005024432D1 DE602005024432T DE602005024432T DE602005024432D1 DE 602005024432 D1 DE602005024432 D1 DE 602005024432D1 DE 602005024432 T DE602005024432 T DE 602005024432T DE 602005024432 T DE602005024432 T DE 602005024432T DE 602005024432 D1 DE602005024432 D1 DE 602005024432D1
Authority
DE
Germany
Prior art keywords
current
mirror
voltage
filtering
output node
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.)
Active
Application number
DE602005024432T
Other languages
English (en)
Inventor
Willem Hendrik Groeneweg
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.)
NXP BV
Original Assignee
NXP BV
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 NXP BV filed Critical NXP BV
Publication of DE602005024432D1 publication Critical patent/DE602005024432D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H03H11/0405—Non-linear filters

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Control Of Electrical Variables (AREA)
  • Networks Using Active Elements (AREA)
  • Mobile Radio Communication Systems (AREA)
DE602005024432T 2004-11-16 2005-11-10 Vorrichtung zur filterung einer referenzspannung und mobiltelefone mit dieser vorrichtung Active DE602005024432D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04300794 2004-11-16
PCT/IB2005/053708 WO2006054213A2 (en) 2004-11-16 2005-11-10 Apparatus for filtering a reference voltage and mobile phones comprising such apparatus

Publications (1)

Publication Number Publication Date
DE602005024432D1 true DE602005024432D1 (de) 2010-12-09

Family

ID=36407512

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005024432T Active DE602005024432D1 (de) 2004-11-16 2005-11-10 Vorrichtung zur filterung einer referenzspannung und mobiltelefone mit dieser vorrichtung

Country Status (7)

Country Link
US (1) US7912440B2 (de)
EP (1) EP1815304B1 (de)
JP (1) JP2008521115A (de)
CN (1) CN101057199B (de)
AT (1) ATE486310T1 (de)
DE (1) DE602005024432D1 (de)
WO (1) WO2006054213A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1394636B1 (it) * 2009-06-23 2012-07-05 St Microelectronics Rousset Circuito di generazione di un segnale di riferimento per un convertitore a/d di un trasduttore acustico microelettromeccanico e relativo metodo
US9246439B2 (en) * 2014-05-20 2016-01-26 Cambridge Silicon Radio Limited Current regulated transimpedance amplifiers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100240874B1 (ko) * 1997-03-18 2000-01-15 윤종용 반도체장치의내부전압발생회로
US6073002A (en) * 1998-05-04 2000-06-06 Motorola Mixer circuit and communication device using the same
JP3239357B2 (ja) * 1999-01-29 2001-12-17 日本電気株式会社 チャージポンプ回路
JP3482908B2 (ja) * 1999-05-26 2004-01-06 日本電気株式会社 駆動回路、駆動回路システム、バイアス回路及び駆動回路装置
JP3846293B2 (ja) * 2000-12-28 2006-11-15 日本電気株式会社 帰還型増幅回路及び駆動回路
WO2002084859A1 (en) * 2001-04-18 2002-10-24 Nokia Corporation Balanced circuit arrangement and method for linearizing such an arrangement
US7031689B2 (en) * 2001-11-13 2006-04-18 Frank Michael L Differential radio
US6657481B2 (en) * 2002-04-23 2003-12-02 Nokia Corporation Current mirror circuit
DE10223996B4 (de) * 2002-05-29 2004-12-02 Infineon Technologies Ag Referenzspannungsschaltung und Verfahren zum Erzeugen einer Referenzspannung
US6996379B2 (en) * 2002-07-23 2006-02-07 Broadcom Corp. Linear high powered integrated circuit transmitter
US7161406B1 (en) * 2004-04-15 2007-01-09 Xilinx, Inc. Method and apparatus for providing non 2:1 Gilbert cell mixer

Also Published As

Publication number Publication date
WO2006054213A2 (en) 2006-05-26
ATE486310T1 (de) 2010-11-15
WO2006054213A3 (en) 2006-10-05
US7912440B2 (en) 2011-03-22
JP2008521115A (ja) 2008-06-19
CN101057199B (zh) 2010-05-05
CN101057199A (zh) 2007-10-17
EP1815304B1 (de) 2010-10-27
EP1815304A2 (de) 2007-08-08
US20090305747A1 (en) 2009-12-10

Similar Documents

Publication Publication Date Title
Sotner et al. Z-copy controlled-gain voltage differencing current conveyor: advanced possibilities in direct electronic control of first-order filter
Jaikla et al. High input impedance voltage-mode biquad filter using VD-DIBAs
US9554209B2 (en) Microphone preamplifier circuit
TW200501570A (en) Noise filter and electronic apparatus having the same
DE602005024432D1 (de) Vorrichtung zur filterung einer referenzspannung und mobiltelefone mit dieser vorrichtung
Kumngern et al. ECCCII-based current-mode universal filter with orthogonal control of ωo and Q
ATE373892T1 (de) Dünnfilmresonator-abzweigfilter und verfahren zur erdung dieser filter
Ghosh et al. Third order universal filter using single operational transresistance amplifier
US5686861A (en) Filter circuit
DE69628070D1 (de) Steuerbare Filteranordnung
Kumngern et al. Voltage-mode lowpass, highpass, bandpass biquadratic filter using OTRAs
Kumngern Electronically tunable current-mode universal biquadratic filter using a single CCCFTA
JP4775813B2 (ja) 受信ｉｃ
Singh et al. Universal transadmittance filter using CMOS MOCDTA
SE9704758L (sv) Konstledning
WO2006081939A3 (de) Siebschaltung
Tangsrirat et al. Cascadable multiple-input single-output current-mode universal filter based on current differencing buffered amplifiers
Pandey et al. Voltage Mode Universal Filter using Two Plus Type CCIIs.
JP2007221444A (ja) アクティブキャパシタ
Zak et al. Reconfigurable first-order filter operating with non-ideal parameters of active elements
US20060197588A1 (en) Filtering device having multiple inputs and multiple feedback paths
CN107959911B (zh) 放大器装置
Kumar et al. A High Input Impedance OTA-C Universal Biquad Filter.
Minaei et al. New current-mode lowpass, bandpass and highpass filters employing CCCIIs
Iqbal et al. Single Amplifier Lowpass, Bandpass and Highpass Filter.