WO2004021562A3 - System and method for establishing the input impedance of an amplifier in a stacked configuration - Google Patents

System and method for establishing the input impedance of an amplifier in a stacked configuration Download PDF

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Publication number
WO2004021562A3
WO2004021562A3 PCT/US2003/026374 US0326374W WO2004021562A3 WO 2004021562 A3 WO2004021562 A3 WO 2004021562A3 US 0326374 W US0326374 W US 0326374W WO 2004021562 A3 WO2004021562 A3 WO 2004021562A3
Authority
WO
WIPO (PCT)
Prior art keywords
amplifier
impedance
input impedance
establishing
stacked configuration
Prior art date
Application number
PCT/US2003/026374
Other languages
French (fr)
Other versions
WO2004021562A2 (en
Inventor
Kim E Beumer
Original Assignee
Microtune Texas Lp
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 Microtune Texas Lp filed Critical Microtune Texas Lp
Priority to EP03791728A priority Critical patent/EP1532732B1/en
Priority to DE60313621T priority patent/DE60313621T2/en
Priority to AU2003260008A priority patent/AU2003260008A1/en
Publication of WO2004021562A2 publication Critical patent/WO2004021562A2/en
Publication of WO2004021562A3 publication Critical patent/WO2004021562A3/en

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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

A circuit for establishing the input impedance of an amplifier includes an amplifier (12), a circuit component (14), a first feedback resistor (18), and a second feedback resistor (20). The amplifier has an input impedance (26) and is coupled to a load (72) having a load impedance. The circuit component (14) is coupled to the load (72) and shares at least a portion of a bias current (24) with the amplifier (12). The first feedback resistor (18) is coupled to the amplifier (12) and the load (72), and has a first impedance (ZF1). The second feedback resistor (20) is coupled to the amplifier (12) and has a second impedance (ZF2). The input impedance (26) of the amplifier is established based at least in part upon the first impedance (ZF1) and the second impedance (ZF2).
PCT/US2003/026374 2002-08-30 2003-08-22 System and method for establishing the input impedance of an amplifier in a stacked configuration WO2004021562A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP03791728A EP1532732B1 (en) 2002-08-30 2003-08-22 System and method for establishing the input impedance of an amplifier in a stacked configuration
DE60313621T DE60313621T2 (en) 2002-08-30 2003-08-22 SYSTEM AND METHOD FOR CONSTRUCTING THE INPUT SIMPEDANCE OF A STACKED AMPLIFIER ASSEMBLY
AU2003260008A AU2003260008A1 (en) 2002-08-30 2003-08-22 System and method for establishing the input impedance of an amplifier in a stacked configuration

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/232,348 US6744308B1 (en) 2002-08-30 2002-08-30 System and method for establishing the input impedance of an amplifier in a stacked configuration
US10/232,348 2002-08-30

Publications (2)

Publication Number Publication Date
WO2004021562A2 WO2004021562A2 (en) 2004-03-11
WO2004021562A3 true WO2004021562A3 (en) 2004-07-29

Family

ID=31976981

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/026374 WO2004021562A2 (en) 2002-08-30 2003-08-22 System and method for establishing the input impedance of an amplifier in a stacked configuration

Country Status (6)

Country Link
US (1) US6744308B1 (en)
EP (1) EP1532732B1 (en)
AT (1) ATE361582T1 (en)
AU (1) AU2003260008A1 (en)
DE (1) DE60313621T2 (en)
WO (1) WO2004021562A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2832874A1 (en) * 2001-11-27 2003-05-30 Koninkl Philips Electronics Nv TUNER COMPRISING A SELECTIVE FILTER
US20030098744A1 (en) * 2001-11-29 2003-05-29 Seiichi Banba Variable gain differential amplifier and multiplication circuit
US6922556B2 (en) * 2002-08-30 2005-07-26 Microtune (Texas), L.P. System and method for establishing a bias current using a feedback loop
JP3792207B2 (en) * 2003-03-25 2006-07-05 沖電気工業株式会社 Current-driven differential driver and data transmission method using current-driven differential driver
US20070194838A1 (en) * 2006-02-17 2007-08-23 Sioptical, Inc. Current mirror with improved output impedance at low power supplies
US7688112B2 (en) * 2006-12-13 2010-03-30 Advanced Science & Novel Technology Anti-SEE protection techniques for high-speed ICs with a current-switching architecture
EP2381914A2 (en) 2009-01-28 2011-11-02 The Procter & Gamble Company Methods for improving skin quality using rinse-off personal care compositions with variable amounts of hydrophobic benefit agents
US8571614B1 (en) 2009-10-12 2013-10-29 Hypres, Inc. Low-power biasing networks for superconducting integrated circuits
US10222416B1 (en) 2015-04-14 2019-03-05 Hypres, Inc. System and method for array diagnostics in superconducting integrated circuit
US9461588B1 (en) * 2015-06-09 2016-10-04 Microsoft Technology Licensing, Llc Doubly balanced josephson junction mixer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118731A (en) * 1976-07-19 1978-10-03 Rca Corporation Video amplifier with suppressed radio frequency radiation
US5382919A (en) * 1992-10-28 1995-01-17 Plessey Semiconductors Limited Wideband constant impedance amplifiers
US6255889B1 (en) * 1999-11-09 2001-07-03 Nokia Networks Oy Mixer using four quadrant multiplier with reactive feedback elements
EP1119100A2 (en) * 2000-01-22 2001-07-25 Mitel Semiconductor Limited (Formerly Plessey Semiconductors Limited) Amplifiers
US6304142B1 (en) * 1999-06-10 2001-10-16 Mitel Semiconductor Limited Variable transconductance amplifier
US6400777B1 (en) * 1998-04-28 2002-06-04 Avaya Technology Corp. Linear modulator
US6438365B1 (en) * 1998-06-02 2002-08-20 Philsar Semiconductor Inc. Balanced mixer with feedback pre-amplifier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6404263B1 (en) * 2001-07-11 2002-06-11 International Business Machines Corporation Mixer having compensation for harmonics of local oscillator signal

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118731A (en) * 1976-07-19 1978-10-03 Rca Corporation Video amplifier with suppressed radio frequency radiation
US5382919A (en) * 1992-10-28 1995-01-17 Plessey Semiconductors Limited Wideband constant impedance amplifiers
US6400777B1 (en) * 1998-04-28 2002-06-04 Avaya Technology Corp. Linear modulator
US6438365B1 (en) * 1998-06-02 2002-08-20 Philsar Semiconductor Inc. Balanced mixer with feedback pre-amplifier
US6304142B1 (en) * 1999-06-10 2001-10-16 Mitel Semiconductor Limited Variable transconductance amplifier
US6255889B1 (en) * 1999-11-09 2001-07-03 Nokia Networks Oy Mixer using four quadrant multiplier with reactive feedback elements
EP1119100A2 (en) * 2000-01-22 2001-07-25 Mitel Semiconductor Limited (Formerly Plessey Semiconductors Limited) Amplifiers

Also Published As

Publication number Publication date
ATE361582T1 (en) 2007-05-15
DE60313621T2 (en) 2007-12-27
WO2004021562A2 (en) 2004-03-11
EP1532732A2 (en) 2005-05-25
AU2003260008A1 (en) 2004-03-19
EP1532732B1 (en) 2007-05-02
DE60313621D1 (en) 2007-06-14
US6744308B1 (en) 2004-06-01

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