TWI279072B - Crystal oscillator emulator - Google Patents

Crystal oscillator emulator Download PDF

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Publication number
TWI279072B
TWI279072B TW092119741A TW92119741A TWI279072B TW I279072 B TWI279072 B TW I279072B TW 092119741 A TW092119741 A TW 092119741A TW 92119741 A TW92119741 A TW 92119741A TW I279072 B TWI279072 B TW I279072B
Authority
TW
Taiwan
Prior art keywords
temperature
frequency
oscillator
output signal
signal
Prior art date
Application number
TW092119741A
Other languages
English (en)
Chinese (zh)
Other versions
TW200419895A (en
Inventor
Sehat Sutardja
Original Assignee
Marvell World Trade 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 Marvell World Trade Ltd filed Critical Marvell World Trade Ltd
Publication of TW200419895A publication Critical patent/TW200419895A/zh
Application granted granted Critical
Publication of TWI279072B publication Critical patent/TWI279072B/zh

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H03L1/026—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using a memory for digitally storing correction values
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/02—Details
    • H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H03L1/023—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes
    • H03L1/025—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes and a memory for digitally storing correction values

Landscapes

  • Oscillators With Electromechanical Resonators (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
TW092119741A 2002-10-15 2003-07-18 Crystal oscillator emulator TWI279072B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/272,247 US7042301B2 (en) 2002-10-15 2002-10-15 Crystal oscillator emulator

Publications (2)

Publication Number Publication Date
TW200419895A TW200419895A (en) 2004-10-01
TWI279072B true TWI279072B (en) 2007-04-11

Family

ID=32042933

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092119741A TWI279072B (en) 2002-10-15 2003-07-18 Crystal oscillator emulator

Country Status (5)

Country Link
US (1) US7042301B2 (https=)
EP (1) EP1411630B1 (https=)
JP (1) JP2004201280A (https=)
CN (1) CN100440723C (https=)
TW (1) TWI279072B (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI566515B (zh) * 2013-07-29 2017-01-11 日本電波工業股份有限公司 振盪裝置
TWI705235B (zh) * 2019-07-19 2020-09-21 財團法人工業技術研究院 感測裝置

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Publication number Priority date Publication date Assignee Title
TWI566515B (zh) * 2013-07-29 2017-01-11 日本電波工業股份有限公司 振盪裝置
TWI705235B (zh) * 2019-07-19 2020-09-21 財團法人工業技術研究院 感測裝置
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Also Published As

Publication number Publication date
EP1411630A1 (en) 2004-04-21
JP2004201280A (ja) 2004-07-15
US20040071029A1 (en) 2004-04-15
CN1497835A (zh) 2004-05-19
CN100440723C (zh) 2008-12-03
EP1411630B1 (en) 2016-07-06
TW200419895A (en) 2004-10-01
US7042301B2 (en) 2006-05-09

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