GB2406984B - Method and arrangement for I-Q balancing and radio receiver incorporating same - Google Patents

Method and arrangement for I-Q balancing and radio receiver incorporating same

Info

Publication number
GB2406984B
GB2406984B GB0314202A GB0314202A GB2406984B GB 2406984 B GB2406984 B GB 2406984B GB 0314202 A GB0314202 A GB 0314202A GB 0314202 A GB0314202 A GB 0314202A GB 2406984 B GB2406984 B GB 2406984B
Authority
GB
United Kingdom
Prior art keywords
balancing
arrangement
radio receiver
incorporating same
receiver incorporating
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
GB0314202A
Other versions
GB0314202D0 (en
GB2406984A (en
Inventor
Patrick Pratt
Conor O'keeffe
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.)
NXP USA Inc
Original Assignee
Freescale Semiconductor Inc
Motorola 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 Freescale Semiconductor Inc, Motorola Inc filed Critical Freescale Semiconductor Inc
Priority to GB0314202A priority Critical patent/GB2406984B/en
Publication of GB0314202D0 publication Critical patent/GB0314202D0/en
Publication of GB2406984A publication Critical patent/GB2406984A/en
Application granted granted Critical
Publication of GB2406984B publication Critical patent/GB2406984B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB0314202A 2003-06-18 2003-06-18 Method and arrangement for I-Q balancing and radio receiver incorporating same Expired - Fee Related GB2406984B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0314202A GB2406984B (en) 2003-06-18 2003-06-18 Method and arrangement for I-Q balancing and radio receiver incorporating same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0314202A GB2406984B (en) 2003-06-18 2003-06-18 Method and arrangement for I-Q balancing and radio receiver incorporating same

Publications (3)

Publication Number Publication Date
GB0314202D0 GB0314202D0 (en) 2003-07-23
GB2406984A GB2406984A (en) 2005-04-13
GB2406984B true GB2406984B (en) 2005-12-21

Family

ID=27636842

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0314202A Expired - Fee Related GB2406984B (en) 2003-06-18 2003-06-18 Method and arrangement for I-Q balancing and radio receiver incorporating same

Country Status (1)

Country Link
GB (1) GB2406984B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008089841A1 (en) * 2007-01-22 2008-07-31 Freescale Semiconductor, Inc. Calibration signal generator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166324A (en) * 1984-10-25 1986-04-30 Stc Plc A multi-mode radio transceiver
WO2001091395A1 (en) * 2000-05-22 2001-11-29 Sicom, Inc. Digital communication receiver with digital, if, i-q balancer
US6377620B1 (en) * 1999-01-19 2002-04-23 Interdigital Technology Corporation Balancing amplitude and phase
US20030072393A1 (en) * 2001-08-02 2003-04-17 Jian Gu Quadrature transceiver substantially free of adverse circuitry mismatch effects

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166324A (en) * 1984-10-25 1986-04-30 Stc Plc A multi-mode radio transceiver
US6377620B1 (en) * 1999-01-19 2002-04-23 Interdigital Technology Corporation Balancing amplitude and phase
WO2001091395A1 (en) * 2000-05-22 2001-11-29 Sicom, Inc. Digital communication receiver with digital, if, i-q balancer
US20030072393A1 (en) * 2001-08-02 2003-04-17 Jian Gu Quadrature transceiver substantially free of adverse circuitry mismatch effects

Also Published As

Publication number Publication date
GB0314202D0 (en) 2003-07-23
GB2406984A (en) 2005-04-13

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: FREESCALE SEMICONDUCTOR INC.

Free format text: FORMER APPLICANT(S): MOTOROLA INC

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150618