ATE485625T1 - Linear-transkonduktanz-zelle mit grossem abstimmbereich - Google Patents

Linear-transkonduktanz-zelle mit grossem abstimmbereich

Info

Publication number
ATE485625T1
ATE485625T1 AT05796291T AT05796291T ATE485625T1 AT E485625 T1 ATE485625 T1 AT E485625T1 AT 05796291 T AT05796291 T AT 05796291T AT 05796291 T AT05796291 T AT 05796291T AT E485625 T1 ATE485625 T1 AT E485625T1
Authority
AT
Austria
Prior art keywords
voltage
field effect
effect transistors
transconductance cell
tuning range
Prior art date
Application number
AT05796291T
Other languages
English (en)
Inventor
Prasad Gudem
Gurkanwal Kamal Sahota
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE485625T1 publication Critical patent/ATE485625T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45085—Long tailed pairs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45352—Indexing scheme relating to differential amplifiers the AAC comprising a combination of a plurality of transistors, e.g. Darlington coupled transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45384—Indexing scheme relating to differential amplifiers the AAC comprising common gate stages in the source circuit of the AAC before the common source coupling in which the common gate stage being controlled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45392—Indexing scheme relating to differential amplifiers the AAC comprising resistors in the source circuit of the AAC before the common source coupling

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)
AT05796291T 2004-09-16 2005-09-16 Linear-transkonduktanz-zelle mit grossem abstimmbereich ATE485625T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/944,145 US7145395B2 (en) 2004-09-16 2004-09-16 Linear transconductance cell with wide tuning range
PCT/US2005/033445 WO2006034174A2 (en) 2004-09-16 2005-09-16 A linear transconductance cell with wide tuning range

Publications (1)

Publication Number Publication Date
ATE485625T1 true ATE485625T1 (de) 2010-11-15

Family

ID=35562980

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05796291T ATE485625T1 (de) 2004-09-16 2005-09-16 Linear-transkonduktanz-zelle mit grossem abstimmbereich

Country Status (8)

Country Link
US (1) US7145395B2 (de)
EP (3) EP2284995A1 (de)
JP (1) JP2008514130A (de)
AT (1) ATE485625T1 (de)
CA (2) CA2580234A1 (de)
DE (1) DE602005024284D1 (de)
RU (1) RU2007114053A (de)
WO (1) WO2006034174A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1848109B1 (de) * 2006-04-19 2011-08-24 Infineon Technologies AG Temperaturkompensation der Kleinsignalverstärkung einer Verstärkerstufe
IT1392043B1 (it) * 2008-09-12 2012-02-09 St Microelectronics Srl Circuito di rilevazione di corrente per applicazioni pwm con modulazione a larghezza d'impulso e relativo processo
US9564430B2 (en) * 2011-11-14 2017-02-07 Intel Corporation Macro-transistor devices
US9455757B2 (en) * 2012-07-19 2016-09-27 The Trustees Of Columbia University In The City Of New York Circuits and methods for performing harmonic rejection mixing
US12126309B2 (en) * 2018-08-31 2024-10-22 Texas Instruments Incorporated Methods and apparatus for voltage buffering

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852679A (en) * 1972-12-26 1974-12-03 Rca Corp Current mirror amplifiers
DE69229731T2 (de) 1992-09-16 1999-12-23 Stmicroelectronics S.R.L., Agrate Brianza Von dem Eingangssignal dynamisch gesteuerter Transkonduktanz-Differenzverstärker
KR100388573B1 (ko) * 1994-10-28 2003-10-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 이득-제어가능한증폭기및이득-제어가능한증폭기를포함하는수신기
DE69523281T2 (de) 1995-02-10 2002-07-11 Alcatel, Paris Linearer abstimmbarer Gm-C Integrator
US5612648A (en) * 1995-03-14 1997-03-18 Standard Microsystems Corporation Transconductance-capacitance filter with extended control range
JPH1168477A (ja) * 1997-08-12 1999-03-09 Nec Corp チューナブルｃｍｏｓ演算トランスコンダクタンス増幅器
JPH11168334A (ja) 1997-12-02 1999-06-22 Hitachi Ltd 可変抵抗器、利得制御増幅回路、ミクサ回路および受信回路
US5978241A (en) * 1999-01-28 1999-11-02 Industrial Technology Research Institute Wide-linear range tunable transconductor using MOS
US6150885A (en) * 1999-06-24 2000-11-21 Lucent Technologies Inc. Transconductance amplifier with wideband noise filtering
US6703682B2 (en) * 1999-12-22 2004-03-09 Texas Advanced Optoelectronic Solutions, Inc. High sheet MOS resistor method and apparatus
US6509796B2 (en) * 2000-02-15 2003-01-21 Broadcom Corporation Variable transconductance variable gain amplifier utilizing a degenerated differential pair
JP3584893B2 (ja) * 2001-03-14 2004-11-04 ソニー株式会社 フィルタ回路
US20030098744A1 (en) * 2001-11-29 2003-05-29 Seiichi Banba Variable gain differential amplifier and multiplication circuit
JP2003168937A (ja) * 2001-11-29 2003-06-13 Sanyo Electric Co Ltd 可変利得型差動増幅回路および乗算回路
JP2003168938A (ja) 2001-11-29 2003-06-13 Sanyo Electric Co Ltd 可変利得型差動増幅回路および乗算回路
US6600373B1 (en) * 2002-07-31 2003-07-29 Agere Systems, Inc. Method and circuit for tuning a transconductance amplifier
US7135928B2 (en) * 2003-01-30 2006-11-14 Broadcom Corporation Method for transconductance linearization for DC-coupled applications

Also Published As

Publication number Publication date
CA2580234A1 (en) 2006-03-30
EP2284995A1 (de) 2011-02-16
JP2008514130A (ja) 2008-05-01
WO2006034174A2 (en) 2006-03-30
RU2007114053A (ru) 2008-10-27
CA2663936A1 (en) 2006-03-30
DE602005024284D1 (de) 2010-12-02
US7145395B2 (en) 2006-12-05
EP1790074A2 (de) 2007-05-30
WO2006034174A3 (en) 2006-07-27
US20060055463A1 (en) 2006-03-16
EP2284994A1 (de) 2011-02-16
EP1790074B1 (de) 2010-10-20

Similar Documents

Publication Publication Date Title
Kaçar et al. Positive/negative lossy/lossless grounded inductance simulators employing single VDCC and only two passive elements
US10644655B2 (en) Electronic biasing circuit for constant transconductance
CN202306379U (zh) 一种电流镜电路
TW200635188A (en) Switchable linear regulator
TW200801882A (en) Bandgap reference circuit
US20170005622A1 (en) Amplifier arrangement
Kumar et al. A tuneable active inductor employing DXCCTA: grounded and floating operation
CN103873001A (zh) 一种低电源电压可编程增益放大器
Channumsin et al. Single-input four-output voltage-mode universal filter using single DDCCTA
ATE485625T1 (de) Linear-transkonduktanz-zelle mit grossem abstimmbereich
CN101043208B (zh) 放大电路及其增益控制方法
US9246459B2 (en) Variable gain amplifier
EP2846214B1 (de) Bias-schaltung
US7733180B1 (en) Amplifier for driving external capacitive loads
US20110163807A1 (en) Impedance matching circuit and method thereof
JP2016523048A5 (de)
ATE457482T1 (de) Dynamische transkonduktanz-erhöhungstechnik für stromspiegel
Duangmalai et al. A linear tunable wide input range CMOS OTA
Shahpari et al. A process and temperature robust constant-gm input/output rail-to-rail op-amp
Yucel et al. New highly linear tunable transconductor circuits with low number of MOS transistors
WO2007047166A3 (en) Output driver circuit with multiple gate devices
SG131903A1 (en) Amplifiers with compensation
JP5592334B2 (ja) スプリッタ回路
Ramirez-Angulo et al. Highly linear wide tuning range CMOS transconductor operating in moderate inversion
Kumar et al. Gain improvement of two stage OPAMP through body bias in 45nm CMOS technology

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties