AU2001284726A1 - Circuit and method for dynamically modifiable signal processor - Google Patents

Circuit and method for dynamically modifiable signal processor

Info

Publication number
AU2001284726A1
AU2001284726A1 AU2001284726A AU2001284726A AU2001284726A1 AU 2001284726 A1 AU2001284726 A1 AU 2001284726A1 AU 2001284726 A AU2001284726 A AU 2001284726A AU 2001284726 A AU2001284726 A AU 2001284726A AU 2001284726 A1 AU2001284726 A1 AU 2001284726A1
Authority
AU
Australia
Prior art keywords
circuit
signal processor
dynamically modifiable
modifiable signal
dynamically
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
AU2001284726A
Inventor
George Palaskas
Yannis P. Tsividis
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.)
Columbia University of New York
Original Assignee
Columbia University of New York
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 Columbia University of New York filed Critical Columbia University of New York
Publication of AU2001284726A1 publication Critical patent/AU2001284726A1/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression
    • 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
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H03H11/1252—Two integrator-loop-filters
    • H03H11/1256—Tow-Thomas biquad
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2240/00—Indexing scheme relating to filter banks
AU2001284726A 2000-10-02 2001-08-02 Circuit and method for dynamically modifiable signal processor Abandoned AU2001284726A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US23731200P 2000-10-02 2000-10-02
US60/237,312 2000-10-02
US26072201P 2001-01-10 2001-01-10
US60/260,722 2001-01-10
US28897601P 2001-05-04 2001-05-04
US60/288,976 2001-05-04
PCT/US2001/024593 WO2004017589A1 (en) 2000-10-02 2001-08-02 Circuit and method for dynamically modifiable signal processor

Publications (1)

Publication Number Publication Date
AU2001284726A1 true AU2001284726A1 (en) 2004-03-03

Family

ID=31892029

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001284726A Abandoned AU2001284726A1 (en) 2000-10-02 2001-08-02 Circuit and method for dynamically modifiable signal processor

Country Status (2)

Country Link
AU (1) AU2001284726A1 (en)
WO (1) WO2004017589A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7010330B1 (en) 2003-03-01 2006-03-07 Theta Microelectronics, Inc. Power dissipation reduction in wireless transceivers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5440721A (en) * 1992-03-24 1995-08-08 Sony Electronics, Inc. Method and apparatus for controlling signal timing of cascaded signal processing units
EP0631395B1 (en) * 1993-06-28 1999-03-24 CSEM Centre Suisse d'Electronique et de Microtechnique SA Signal processing circuitry comprising an input stage with variable gain

Also Published As

Publication number Publication date
WO2004017589A1 (en) 2004-02-26

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase