[go: up one dir, main page]

GB201102475D0 - Method of reducing offset - Google Patents

Method of reducing offset

Info

Publication number
GB201102475D0
GB201102475D0 GBGB1102475.9A GB201102475A GB201102475D0 GB 201102475 D0 GB201102475 D0 GB 201102475D0 GB 201102475 A GB201102475 A GB 201102475A GB 201102475 D0 GB201102475 D0 GB 201102475D0
Authority
GB
United Kingdom
Prior art keywords
reducing offset
offset
reducing
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.)
Withdrawn
Application number
GBGB1102475.9A
Other versions
GB2487973A (en
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.)
Elonics Ltd
Original Assignee
Elonics Ltd
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 Elonics Ltd filed Critical Elonics Ltd
Priority to GB1102475.9A priority Critical patent/GB2487973A/en
Publication of GB201102475D0 publication Critical patent/GB201102475D0/en
Publication of GB2487973A publication Critical patent/GB2487973A/en
Withdrawn legal-status Critical Current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
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H03H11/1234—Modifications to reduce detrimental influences of amplifier imperfections, e.g. limited gain-bandwith product, limited input impedance
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • 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
    • H03H11/1291—Current or voltage controlled filters
    • 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
    • H03H2011/0494—Complex filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
GB1102475.9A 2011-02-11 2011-02-11 Reduction of DC offsets in high gain cross-coupled IF active filters Withdrawn GB2487973A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1102475.9A GB2487973A (en) 2011-02-11 2011-02-11 Reduction of DC offsets in high gain cross-coupled IF active filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1102475.9A GB2487973A (en) 2011-02-11 2011-02-11 Reduction of DC offsets in high gain cross-coupled IF active filters

Publications (2)

Publication Number Publication Date
GB201102475D0 true GB201102475D0 (en) 2011-03-30
GB2487973A GB2487973A (en) 2012-08-15

Family

ID=43859321

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1102475.9A Withdrawn GB2487973A (en) 2011-02-11 2011-02-11 Reduction of DC offsets in high gain cross-coupled IF active filters

Country Status (1)

Country Link
GB (1) GB2487973A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9214972B2 (en) 2013-06-13 2015-12-15 Qualcomm Technologies International, Ltd. Method and apparatus for on-demand interference rejection in multi-band GNSS receivers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2289823C (en) * 1999-11-15 2004-07-06 Philsar Semiconductor Inc. Complex filtering/agc radio receiver architecture for low-if or zero-if
US20030128068A1 (en) * 2001-08-16 2003-07-10 Farbod Behbahani Low noise image-reject gm-c filter
US7899431B2 (en) * 2005-04-04 2011-03-01 Freescale Semiconductor, Inc. DC offset correction system for a receiver with baseband gain control

Also Published As

Publication number Publication date
GB2487973A (en) 2012-08-15

Similar Documents

Publication Publication Date Title
GB2500163B (en) Method
GB201110095D0 (en) Method of treatment
EP2773754A4 (en) Method of treatment
GB2493207B (en) Method
GB201120527D0 (en) Method
GB201116530D0 (en) Method
EP2668260A4 (en) Method of modifying bacteria
GB201121175D0 (en) Method of electroplating
GB201117477D0 (en) Method
GB201105436D0 (en) Method
GB201220620D0 (en) Method
GB201212757D0 (en) Method
GB201121301D0 (en) Method
GB201114325D0 (en) Method
GB201101219D0 (en) Method
GB201117476D0 (en) Method
GB201117358D0 (en) Method
GB201115783D0 (en) Method
GB201111673D0 (en) Method
GB201111189D0 (en) Method
GB201114798D0 (en) Method of modifying surfaces
GB201122297D0 (en) Vaccine - screening method
GB201102475D0 (en) Method of reducing offset
GB201119607D0 (en) Method of manufacture
EP2791324A4 (en) Method of treatment

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)