AU2001287425A1 - Mixer with image reject filter - Google Patents

Mixer with image reject filter

Info

Publication number
AU2001287425A1
AU2001287425A1 AU2001287425A AU8742501A AU2001287425A1 AU 2001287425 A1 AU2001287425 A1 AU 2001287425A1 AU 2001287425 A AU2001287425 A AU 2001287425A AU 8742501 A AU8742501 A AU 8742501A AU 2001287425 A1 AU2001287425 A1 AU 2001287425A1
Authority
AU
Australia
Prior art keywords
low
lna
integrating
image reject
topology
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.)
Abandoned
Application number
AU2001287425A
Inventor
Calvin Plett
John William Mitchell Rogers
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.)
Sige Semiconductors Inc
Original Assignee
Sige Semiconductors 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 Sige Semiconductors Inc filed Critical Sige Semiconductors Inc
Publication of AU2001287425A1 publication Critical patent/AU2001287425A1/en
Abandoned 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
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1213—Frequency selective two-port networks using amplifiers with feedback using transistor amplifiers

Landscapes

  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

With the rising popularity in wireless personal communication systems (PCS), there is a need for low-power, low-cost radio receivers. Low cost can be achieved by integrating the required functions as much as possible, thus minimizing the number of off-chip components. The present invention discloses a novel topology for integrating an image reject filter with a traditional low-noise amplifier (LNA) for use in the front-end of a superheterodyne receiver. Previous topologies employing additional filter stages after the LNA have suffered from poor performance and excessive current consumption. Advantageously, the topology of the present invention requires minimal additional circuitry to perform the filtering function, uses only minimal additional current and does not suffer from the same performance limitations as previous topologies.
AU2001287425A 2000-08-25 2001-08-24 Mixer with image reject filter Abandoned AU2001287425A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/645,323 US6681103B1 (en) 2000-08-25 2000-08-25 On-chip image reject filter
US09/645,323 2000-08-25
PCT/CA2001/001214 WO2002017477A2 (en) 2000-08-25 2001-08-24 Mixer with image reject filter

Publications (1)

Publication Number Publication Date
AU2001287425A1 true AU2001287425A1 (en) 2002-03-04

Family

ID=24588553

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001287425A Abandoned AU2001287425A1 (en) 2000-08-25 2001-08-24 Mixer with image reject filter

Country Status (6)

Country Link
US (1) US6681103B1 (en)
EP (1) EP1312157B1 (en)
AT (1) ATE349104T1 (en)
AU (1) AU2001287425A1 (en)
DE (1) DE60125379T2 (en)
WO (1) WO2002017477A2 (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7333791B2 (en) * 2001-12-11 2008-02-19 Microtune (Texas), L.P. Use of an image reject mixer in a forward data channel tuner
DE60218812D1 (en) * 2001-12-28 2007-04-26 St Microelectronics Srl Method for regulating the source voltage during the programming of a nonvolatile memory cell and corresponding programming circuit
KR100846486B1 (en) * 2002-05-06 2008-07-17 삼성전자주식회사 Image-reject Antenna
ATE510373T1 (en) * 2003-06-25 2011-06-15 Nxp Bv LOSSLESS TRANSFER OF EVENTS ACROSS CLOCK DOMAIN
US7884886B2 (en) * 2003-10-27 2011-02-08 Zoran Corporation Integrated channel filter and method of operation
US7266360B2 (en) * 2004-04-07 2007-09-04 Neoreach, Inc. Low noise amplifier for wireless communications
US7202762B2 (en) * 2004-06-09 2007-04-10 Raytheon Company Q enhancement circuit and method
US7343146B2 (en) * 2004-08-13 2008-03-11 Nokia Corporation Single chip LNA and VCO having similar resonant circuit topology and using same calibration signal to compensate for process variations
WO2006027755A1 (en) * 2004-09-10 2006-03-16 Koninklijke Philips Electronics N.V. Tunable cascode lna with flat gain response over a wide frequency range
TWI311423B (en) * 2004-11-03 2009-06-21 Wionics Researc Transceiver for use in an ultrawideband communication system
US7304533B2 (en) * 2005-04-15 2007-12-04 Microtune (Texas), L.P. Integrated channel filter using multiple resonant filters and method of operation
WO2007034231A1 (en) * 2005-09-26 2007-03-29 Glonav Limited Multistage resonant amplifier system and method
US7489192B2 (en) * 2006-05-22 2009-02-10 Theta Microelectronics, Inc. Low-noise amplifiers
US7554397B2 (en) * 2006-05-22 2009-06-30 Theta Microelectronics, Inc. Highly linear low-noise amplifiers
US9413315B2 (en) * 2006-08-31 2016-08-09 Texas Instruments Incorporated Low noise amplifier with embedded filter and related wireless communication unit
US8237509B2 (en) * 2007-02-23 2012-08-07 Qualcomm, Incorporated Amplifier with integrated filter
CN100578089C (en) * 2007-06-29 2010-01-06 宁波新海电气股份有限公司 Igniting gun with safety mechanism
TWI382676B (en) * 2007-12-28 2013-01-11 Ind Tech Res Inst Coherent tunable filter apparatus and wireless communication front-end circuit thereof
US8314653B1 (en) * 2009-02-18 2012-11-20 Rf Micro Devices, Inc. Using degeneration in an active tunable low-noise radio frequency bandpass filter
US8018288B2 (en) * 2009-04-13 2011-09-13 Intel Corporation High-linearity low noise amplifier
TWI483542B (en) * 2009-07-10 2015-05-01 Chi Mei Comm Systems Inc Amplifier circuit
TWI477062B (en) * 2009-08-10 2015-03-11 Chi Mei Comm Systems Inc Power amplifier circuit
CN102611394B (en) * 2011-01-20 2015-08-19 联芯科技有限公司 Low noise amplifier and there is the front end system of this low noise amplifier
US8588353B2 (en) 2011-04-01 2013-11-19 Texas Instruments Incorporated Frequency selective IQ correction
US8626106B2 (en) * 2011-12-06 2014-01-07 Tensorcom, Inc. Method and apparatus of an input resistance of a passive mixer to broaden the input matching bandwidth of a common source/gate LNA
US9595935B2 (en) 2015-05-12 2017-03-14 Qualcomm Incorporated Active notch filter
US9985592B2 (en) * 2015-05-13 2018-05-29 Skyworks Solutions, Inc. High gain RF power amplifier with negative capacitor
US10164669B2 (en) * 2015-10-16 2018-12-25 Skyworks Solutions, Inc. Hybrid amplifier and signal combiner
US11201595B2 (en) 2015-11-24 2021-12-14 Skyworks Solutions, Inc. Cascode power amplifier with switchable output matching network
US10536119B2 (en) 2018-02-28 2020-01-14 Avago Technologies International Sales Pte. Limited Amplifier with second-harmonic trap

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Publication number Priority date Publication date Assignee Title
US3993962A (en) * 1975-08-18 1976-11-23 The United States Of America As Represented By The Secretary Of The Air Force Low noise parametric varactor diode crystal oscillator
US4263676A (en) 1979-07-23 1981-04-21 Motorola, Inc. RF amplifying system having image rejection
US5374899A (en) 1993-11-10 1994-12-20 Itt Corporation Self biased power amplifier employing FETs
US6177964B1 (en) * 1997-08-01 2001-01-23 Microtune, Inc. Broadband integrated television tuner
KR0153379B1 (en) * 1995-09-26 1998-11-16 김광호 Voltage control oscillator for up-down converter of digital wireless communication system
GB2317517B (en) 1996-09-20 2001-03-14 Nokia Mobile Phones Ltd Amplifier system
US5995814A (en) 1997-06-13 1999-11-30 Lucent Technologies Inc. Single-stage dual-band low-noise amplifier for use in a wireless communication system receiver
FR2770053B1 (en) 1997-10-22 2000-01-07 Sgs Thomson Microelectronics DOUBLE GAIN AMPLIFIER CIRCUIT
JPH11317628A (en) 1998-05-07 1999-11-16 Mitsubishi Electric Corp Amplifier circuit
US6307442B1 (en) * 1999-05-17 2001-10-23 Maxim Integrated Products Enhanced LC filter with tunable Q
US6175274B1 (en) * 1999-07-26 2001-01-16 Nokia Mobile Phones Limited Switched gain low noise amplifier
US6542724B1 (en) * 1999-08-02 2003-04-01 Nortel Networks Limited Method and apparatus for performing image signal rejection

Also Published As

Publication number Publication date
DE60125379D1 (en) 2007-02-01
US6681103B1 (en) 2004-01-20
ATE349104T1 (en) 2007-01-15
WO2002017477B1 (en) 2003-02-13
DE60125379T2 (en) 2007-09-27
EP1312157B1 (en) 2006-12-20
WO2002017477A3 (en) 2002-10-03
WO2002017477A2 (en) 2002-02-28
EP1312157A2 (en) 2003-05-21

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