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GB2345230B - Radio receiver and a filter for the radio receiver - Google Patents

Radio receiver and a filter for the radio receiver

Info

Publication number
GB2345230B
GB2345230B GB9828542A GB9828542A GB2345230B GB 2345230 B GB2345230 B GB 2345230B GB 9828542 A GB9828542 A GB 9828542A GB 9828542 A GB9828542 A GB 9828542A GB 2345230 B GB2345230 B GB 2345230B
Authority
GB
United Kingdom
Prior art keywords
radio receiver
filter
receiver
radio
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.)
Expired - Fee Related
Application number
GB9828542A
Other versions
GB9828542D0 (en
GB2345230A (en
Inventor
Adrian Philip Nash
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
Nokia Oyj
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 Nokia Mobile Phones Ltd, Nokia Oyj filed Critical Nokia Mobile Phones Ltd
Priority to GB9828542A priority Critical patent/GB2345230B/en
Publication of GB9828542D0 publication Critical patent/GB9828542D0/en
Publication of GB2345230A publication Critical patent/GB2345230A/en
Application granted granted Critical
Publication of GB2345230B publication Critical patent/GB2345230B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/009—Compensating quadrature phase or amplitude imbalances
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
GB9828542A 1998-12-23 1998-12-23 Radio receiver and a filter for the radio receiver Expired - Fee Related GB2345230B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9828542A GB2345230B (en) 1998-12-23 1998-12-23 Radio receiver and a filter for the radio receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9828542A GB2345230B (en) 1998-12-23 1998-12-23 Radio receiver and a filter for the radio receiver

Publications (3)

Publication Number Publication Date
GB9828542D0 GB9828542D0 (en) 1999-02-17
GB2345230A GB2345230A (en) 2000-06-28
GB2345230B true GB2345230B (en) 2003-10-29

Family

ID=10844971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9828542A Expired - Fee Related GB2345230B (en) 1998-12-23 1998-12-23 Radio receiver and a filter for the radio receiver

Country Status (1)

Country Link
GB (1) GB2345230B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6744829B1 (en) * 2000-09-21 2004-06-01 Koninklijke Philips Electronics N.V. Calibration of a quadrature receiver
EP1361655A1 (en) * 2002-05-07 2003-11-12 Semiconductor Ideas to The Market (ItoM) BV Mirror suppression circuit in a quadrature demodulator
US6892060B2 (en) * 2002-06-28 2005-05-10 Institute Of Microelectronics Fully integrated self-tuned image rejection downconversion system
US8942655B2 (en) 2007-05-31 2015-01-27 Freescale Semiconductor, Inc. Integrated circuit, wireless communication unit and method for determining quadrature imbalance
WO2019018739A1 (en) * 2017-07-20 2019-01-24 Massachusetts Institute Of Technology Compact model nonlinear compensation of bandlimited receiver systems

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991003882A1 (en) * 1989-08-30 1991-03-21 At&E Corporation Image canceling mixer circuit on an integrated circuit chip
GB2236225A (en) * 1989-09-23 1991-03-27 Emi Plc Thorn Superhetorodyne circuit
EP0782249A1 (en) * 1995-12-26 1997-07-02 Lucent Technologies Inc. System and method for rejecting image signals
US5678220A (en) * 1994-06-06 1997-10-14 France Telecom Device for rejection of the image signal of a signal converted to an intermediate frequency
US5826180A (en) * 1994-08-08 1998-10-20 Nice Systems Ltd. Near homodyne radio frequency receiver
GB2326037A (en) * 1997-06-06 1998-12-09 Nokia Mobile Phones Ltd Maintaining signals in phase quadrature
GB2326038A (en) * 1997-06-06 1998-12-09 Nokia Mobile Phones Ltd Signal level balancing in quadrature receiver

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991003882A1 (en) * 1989-08-30 1991-03-21 At&E Corporation Image canceling mixer circuit on an integrated circuit chip
GB2236225A (en) * 1989-09-23 1991-03-27 Emi Plc Thorn Superhetorodyne circuit
US5678220A (en) * 1994-06-06 1997-10-14 France Telecom Device for rejection of the image signal of a signal converted to an intermediate frequency
US5826180A (en) * 1994-08-08 1998-10-20 Nice Systems Ltd. Near homodyne radio frequency receiver
EP0782249A1 (en) * 1995-12-26 1997-07-02 Lucent Technologies Inc. System and method for rejecting image signals
GB2326037A (en) * 1997-06-06 1998-12-09 Nokia Mobile Phones Ltd Maintaining signals in phase quadrature
GB2326038A (en) * 1997-06-06 1998-12-09 Nokia Mobile Phones Ltd Signal level balancing in quadrature receiver

Also Published As

Publication number Publication date
GB9828542D0 (en) 1999-02-17
GB2345230A (en) 2000-06-28

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20111223