IL135830A0 - Crystal oscillator with agc and on-chip tuning - Google Patents

Crystal oscillator with agc and on-chip tuning

Info

Publication number
IL135830A0
IL135830A0 IL13583098A IL13583098A IL135830A0 IL 135830 A0 IL135830 A0 IL 135830A0 IL 13583098 A IL13583098 A IL 13583098A IL 13583098 A IL13583098 A IL 13583098A IL 135830 A0 IL135830 A0 IL 135830A0
Authority
IL
Israel
Prior art keywords
agc
crystal oscillator
chip tuning
tuning
chip
Prior art date
Application number
IL13583098A
Other languages
English (en)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IL135830A0 publication Critical patent/IL135830A0/xx

Links

Classifications

    • 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
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L5/00—Automatic control of voltage, current, or power
    • 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
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H03B5/366—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current
    • H03B5/368—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current the means being voltage variable capacitance diodes
    • 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
IL13583098A 1997-10-31 1998-10-06 Crystal oscillator with agc and on-chip tuning IL135830A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/962,480 US6052036A (en) 1997-10-31 1997-10-31 Crystal oscillator with AGC and on-chip tuning
PCT/SE1998/001804 WO1999023753A1 (en) 1997-10-31 1998-10-06 Crystal oscillator with agc and on-chip tuning

Publications (1)

Publication Number Publication Date
IL135830A0 true IL135830A0 (en) 2001-05-20

Family

ID=25505927

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13583098A IL135830A0 (en) 1997-10-31 1998-10-06 Crystal oscillator with agc and on-chip tuning

Country Status (15)

Country Link
US (1) US6052036A (no)
EP (1) EP1025635B1 (no)
JP (1) JP2001522185A (no)
KR (1) KR100543680B1 (no)
CN (1) CN1205740C (no)
AU (1) AU9655798A (no)
BR (1) BR9813329A (no)
DE (1) DE69815706T2 (no)
EE (1) EE04291B1 (no)
HK (1) HK1033505A1 (no)
ID (1) ID25636A (no)
IL (1) IL135830A0 (no)
NO (1) NO20002277L (no)
RU (1) RU2216098C2 (no)
WO (1) WO1999023753A1 (no)

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CN102006057B (zh) * 2009-09-01 2013-05-08 杭州中科微电子有限公司 可编程调整起振条件的低功耗、快速起振晶体振荡器模块
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CN102938632A (zh) * 2011-08-15 2013-02-20 中兴通讯股份有限公司 一种晶体振荡器及其振荡电路
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CN103684262B (zh) * 2013-12-20 2016-05-04 北京遥测技术研究所 一种基于模拟电路的正弦波石英晶体振荡器
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Also Published As

Publication number Publication date
CN1205740C (zh) 2005-06-08
EP1025635B1 (en) 2003-06-18
NO20002277L (no) 2000-06-29
EP1025635A1 (en) 2000-08-09
JP2001522185A (ja) 2001-11-13
EE04291B1 (et) 2004-04-15
RU2216098C2 (ru) 2003-11-10
KR20010031089A (ko) 2001-04-16
DE69815706T2 (de) 2004-06-03
US6052036A (en) 2000-04-18
AU9655798A (en) 1999-05-24
WO1999023753A1 (en) 1999-05-14
NO20002277D0 (no) 2000-04-28
HK1033505A1 (en) 2001-08-31
DE69815706D1 (de) 2003-07-24
EE200000188A (et) 2001-04-16
CN1277752A (zh) 2000-12-20
KR100543680B1 (ko) 2006-01-23
ID25636A (id) 2000-10-19
BR9813329A (pt) 2000-08-22

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