GB9700344D0 - Method for calibrating a radio receiver and a radio receiver - Google Patents

Method for calibrating a radio receiver and a radio receiver

Info

Publication number
GB9700344D0
GB9700344D0 GBGB9700344.6A GB9700344A GB9700344D0 GB 9700344 D0 GB9700344 D0 GB 9700344D0 GB 9700344 A GB9700344 A GB 9700344A GB 9700344 D0 GB9700344 D0 GB 9700344D0
Authority
GB
United Kingdom
Prior art keywords
radio receiver
calibrating
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.)
Granted
Application number
GBGB9700344.6A
Other versions
GB2321146B (en
GB2321146A (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.)
Motorola Solutions Israel Ltd
Original Assignee
Motorola Israel 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 Motorola Israel Ltd filed Critical Motorola Israel Ltd
Priority to GB9700344A priority Critical patent/GB2321146B/en
Publication of GB9700344D0 publication Critical patent/GB9700344D0/en
Priority to EP97947203A priority patent/EP0950284A1/en
Priority to PCT/IB1997/001605 priority patent/WO1998031096A1/en
Publication of GB2321146A publication Critical patent/GB2321146A/en
Application granted granted Critical
Publication of GB2321146B publication Critical patent/GB2321146B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/20—Continuous tuning of single resonant circuit by varying inductance only or capacitance only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/07—Calibration of receivers, using quartz crystal oscillators as reference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
GB9700344A 1997-01-09 1997-01-09 Method for calibrating a radio receiver and a radio receiver Expired - Fee Related GB2321146B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9700344A GB2321146B (en) 1997-01-09 1997-01-09 Method for calibrating a radio receiver and a radio receiver
EP97947203A EP0950284A1 (en) 1997-01-09 1997-12-29 Method for calibrating a radio receiver, and a radio receiver
PCT/IB1997/001605 WO1998031096A1 (en) 1997-01-09 1997-12-29 Method for calibrating a radio receiver, and a radio receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9700344A GB2321146B (en) 1997-01-09 1997-01-09 Method for calibrating a radio receiver and a radio receiver

Publications (3)

Publication Number Publication Date
GB9700344D0 true GB9700344D0 (en) 1997-02-26
GB2321146A GB2321146A (en) 1998-07-15
GB2321146B GB2321146B (en) 1999-10-27

Family

ID=10805719

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9700344A Expired - Fee Related GB2321146B (en) 1997-01-09 1997-01-09 Method for calibrating a radio receiver and a radio receiver

Country Status (3)

Country Link
EP (1) EP0950284A1 (en)
GB (1) GB2321146B (en)
WO (1) WO1998031096A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104953217A (en) * 2015-06-11 2015-09-30 武汉嘉瑞科技有限公司 Four-in-one antenna combining system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5001776A (en) * 1988-10-27 1991-03-19 Motorola Inc. Communication system with adaptive transceivers to control intermodulation distortion
EP0472621A4 (en) * 1989-05-18 1992-08-05 Motorola, Inc. Method and apparatus for reducing intermodulation distortion
WO1990015486A1 (en) * 1989-06-05 1990-12-13 Motorola, Inc. Receiver with improved intermodulation performance
US5216392A (en) * 1991-07-05 1993-06-01 Motorola, Inc. Automatically controlled varactor tuned matching networks for a crystal filter
US5280638A (en) * 1991-09-06 1994-01-18 Ford Motor Company RF filter self-alignment for multiband radio receiver
US5359607A (en) * 1991-11-13 1994-10-25 Motorola, Inc. Adaptive intermodulation control

Also Published As

Publication number Publication date
WO1998031096A1 (en) 1998-07-16
GB2321146B (en) 1999-10-27
GB2321146A (en) 1998-07-15
EP0950284A1 (en) 1999-10-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020109