GB2321353B - Image-reject mixer arrangements - Google Patents

Image-reject mixer arrangements

Info

Publication number
GB2321353B
GB2321353B GB9724435A GB9724435A GB2321353B GB 2321353 B GB2321353 B GB 2321353B GB 9724435 A GB9724435 A GB 9724435A GB 9724435 A GB9724435 A GB 9724435A GB 2321353 B GB2321353 B GB 2321353B
Authority
GB
United Kingdom
Prior art keywords
image
reject mixer
mixer arrangements
arrangements
reject
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
GB9724435A
Other versions
GB2321353A (en
GB9724435D0 (en
Inventor
Stephen Peter Graham
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.)
Plessey Semiconductors Ltd
Microsemi Semiconductor Ltd
Original Assignee
Plessey Semiconductors Ltd
Mitel Semiconductor 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
Priority claimed from GBGB9626229.0A external-priority patent/GB9626229D0/en
Application filed by Plessey Semiconductors Ltd, Mitel Semiconductor Ltd filed Critical Plessey Semiconductors Ltd
Priority to GB9724435A priority Critical patent/GB2321353B/en
Publication of GB9724435D0 publication Critical patent/GB9724435D0/en
Publication of GB2321353A publication Critical patent/GB2321353A/en
Application granted granted Critical
Publication of GB2321353B publication Critical patent/GB2321353B/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
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies
GB9724435A 1996-12-18 1997-11-20 Image-reject mixer arrangements Expired - Fee Related GB2321353B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9724435A GB2321353B (en) 1996-12-18 1997-11-20 Image-reject mixer arrangements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9626229.0A GB9626229D0 (en) 1996-12-18 1996-12-18 Image-reject mixer arrangements
GB9724435A GB2321353B (en) 1996-12-18 1997-11-20 Image-reject mixer arrangements

Publications (3)

Publication Number Publication Date
GB9724435D0 GB9724435D0 (en) 1998-01-14
GB2321353A GB2321353A (en) 1998-07-22
GB2321353B true GB2321353B (en) 2000-09-13

Family

ID=26310664

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9724435A Expired - Fee Related GB2321353B (en) 1996-12-18 1997-11-20 Image-reject mixer arrangements

Country Status (1)

Country Link
GB (1) GB2321353B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6314279B1 (en) * 1998-06-29 2001-11-06 Philips Electronics North America Corporation Frequency offset image rejection
US7130599B2 (en) 2000-11-03 2006-10-31 Qualcomm Inc. Quadrature generator with image reject mixer
EP1995873A2 (en) 2001-10-03 2008-11-26 Fujitsu Limited Radio equipment communicatable in two frequency bands and method for generating local oscillator signal in radio equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558283A (en) * 1983-02-18 1985-12-10 Sony Corporation Circuit for generating a sum or differential frequency signal
US5532637A (en) * 1995-06-29 1996-07-02 Northern Telecom Limited Linear low-noise mixer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558283A (en) * 1983-02-18 1985-12-10 Sony Corporation Circuit for generating a sum or differential frequency signal
US5532637A (en) * 1995-06-29 1996-07-02 Northern Telecom Limited Linear low-noise mixer

Also Published As

Publication number Publication date
GB2321353A (en) 1998-07-22
GB9724435D0 (en) 1998-01-14

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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: 20011120