ATE466296T1 - Mehrfachtaktsignal-erzeugung aus einem gemeinsamen oszillator - Google Patents

Mehrfachtaktsignal-erzeugung aus einem gemeinsamen oszillator

Info

Publication number
ATE466296T1
ATE466296T1 AT08152638T AT08152638T ATE466296T1 AT E466296 T1 ATE466296 T1 AT E466296T1 AT 08152638 T AT08152638 T AT 08152638T AT 08152638 T AT08152638 T AT 08152638T AT E466296 T1 ATE466296 T1 AT E466296T1
Authority
AT
Austria
Prior art keywords
clock signal
satellite receiver
navigation satellite
vctcxo
nco
Prior art date
Application number
AT08152638T
Other languages
English (en)
Inventor
Mamdouh Yanni
Original Assignee
Research In Motion 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 Research In Motion Ltd filed Critical Research In Motion Ltd
Application granted granted Critical
Publication of ATE466296T1 publication Critical patent/ATE466296T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3805Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving with built-in auxiliary receivers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/23Testing, monitoring, correcting or calibrating of receiver elements
    • G01S19/235Calibration of receiver components
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02Automatic frequency control
    • H03J7/04Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/11Cellular receiver, e.g. GSM, combined with a GPS receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
AT08152638T 2008-03-12 2008-03-12 Mehrfachtaktsignal-erzeugung aus einem gemeinsamen oszillator ATE466296T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08152638A EP2101188B1 (de) 2008-03-12 2008-03-12 Mehrfachtaktsignal-Erzeugung aus einem gemeinsamen Oszillator

Publications (1)

Publication Number Publication Date
ATE466296T1 true ATE466296T1 (de) 2010-05-15

Family

ID=39322526

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08152638T ATE466296T1 (de) 2008-03-12 2008-03-12 Mehrfachtaktsignal-erzeugung aus einem gemeinsamen oszillator

Country Status (4)

Country Link
EP (1) EP2101188B1 (de)
AT (1) ATE466296T1 (de)
CA (1) CA2657988C (de)
DE (1) DE602008001107D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7395447B2 (en) * 2002-09-16 2008-07-01 Silicon Labs Cp, Inc. Precision oscillator for an asynchronous transmission system
US8643444B2 (en) * 2012-06-04 2014-02-04 Broadcom Corporation Common reference crystal systems
CN107528629B (zh) * 2017-09-30 2024-01-30 湖南迈克森伟电子科技有限公司 卫星测控数传广播一体化通信系统
CN110196437B (zh) * 2018-02-26 2021-12-21 瑞昱半导体股份有限公司 卫星信号接收电路及卫星信号接收方法
CN112583425B (zh) * 2019-09-30 2022-07-15 武汉杰开科技有限公司 一种检测调节电路以及发射机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6208290B1 (en) 1996-03-08 2001-03-27 Snaptrack, Inc. GPS receiver utilizing a communication link
US5841396A (en) 1996-03-08 1998-11-24 Snaptrack, Inc. GPS receiver utilizing a communication link
US7155183B2 (en) 2003-01-16 2006-12-26 Global Locate, Inc. Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device

Also Published As

Publication number Publication date
EP2101188B1 (de) 2010-04-28
EP2101188A1 (de) 2009-09-16
CA2657988A1 (en) 2009-09-12
CA2657988C (en) 2016-01-12
DE602008001107D1 (de) 2010-06-10

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