BR9608250A - Aparelho e processo para aumentar a estabilidade de uma saida de um dispositivo oscilador dispositivo oscilador e processo para realimentar o mesmo - Google Patents

Aparelho e processo para aumentar a estabilidade de uma saida de um dispositivo oscilador dispositivo oscilador e processo para realimentar o mesmo

Info

Publication number
BR9608250A
BR9608250A BR9608250A BR9608250A BR9608250A BR 9608250 A BR9608250 A BR 9608250A BR 9608250 A BR9608250 A BR 9608250A BR 9608250 A BR9608250 A BR 9608250A BR 9608250 A BR9608250 A BR 9608250A
Authority
BR
Brazil
Prior art keywords
oscillating device
feeding
stability
increasing
output
Prior art date
Application number
BR9608250A
Other languages
English (en)
Inventor
Jacobus Haartsen
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 BR9608250A publication Critical patent/BR9608250A/pt

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
    • H03B1/00—Details
    • H03B1/04—Reducing undesired oscillations, e.g. harmonics
    • 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
    • H03L7/02—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element
    • 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
    • H03B2202/00—Aspects of oscillators relating to reduction of undesired oscillations
    • H03B2202/07—Reduction of undesired oscillations through a cancelling of the undesired oscillation
    • H03B2202/076—Reduction of undesired oscillations through a cancelling of the undesired oscillation by using a feedback loop external to the oscillator, e.g. the so-called noise degeneration
BR9608250A 1995-04-19 1996-03-26 Aparelho e processo para aumentar a estabilidade de uma saida de um dispositivo oscilador dispositivo oscilador e processo para realimentar o mesmo BR9608250A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/424,079 US5568096A (en) 1995-04-19 1995-04-19 Apparatus and method for using negative FM feedback in high quality oscillator devices
PCT/SE1996/000384 WO1996033551A1 (en) 1995-04-19 1996-03-26 An apparatus and method for using negative fm feedback in high quality oscillator devices

Publications (1)

Publication Number Publication Date
BR9608250A true BR9608250A (pt) 1999-05-11

Family

ID=23681362

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9608250A BR9608250A (pt) 1995-04-19 1996-03-26 Aparelho e processo para aumentar a estabilidade de uma saida de um dispositivo oscilador dispositivo oscilador e processo para realimentar o mesmo

Country Status (8)

Country Link
US (1) US5568096A (pt)
EP (1) EP0821846B1 (pt)
JP (1) JPH11503889A (pt)
CN (1) CN1082275C (pt)
AU (1) AU706216B2 (pt)
BR (1) BR9608250A (pt)
DE (1) DE69623946D1 (pt)
WO (1) WO1996033551A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506847C2 (sv) * 1996-06-28 1998-02-16 Ericsson Telefon Ab L M Förfarande och anordning vid fasmodulerade signaler
US5963098A (en) * 1997-08-22 1999-10-05 Technology Service Corporation FM canceler loop to reduce shock and vibration effects in crystal oscillators
US6353368B1 (en) * 1999-11-09 2002-03-05 Vlsi Technology, Inc. VCO circuit using negative feedback to reduce phase noise
US6687635B2 (en) * 2002-06-13 2004-02-03 Mks Instruments, Inc. Apparatus and method for compensated sensor output
CN101266502B (zh) * 2008-04-08 2010-04-14 中国计量学院 一种基于双共振的随机共振控制方法
FR2967500B1 (fr) * 2010-11-12 2013-08-16 St Microelectronics Sa Dispositif d'emission/reception d'ondes radar
US8823465B2 (en) * 2012-05-11 2014-09-02 Analog Devices, Inc. Clock generator for crystal or ceramic oscillator and filter system for same
CN110190813A (zh) * 2019-06-04 2019-08-30 安徽华东光电技术研究所有限公司 一种同轴介质振荡器

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246550A (en) * 1980-04-21 1981-01-20 Eaton Corporation Wideband, millimeter wave frequency Gunn oscillator
US4661785A (en) * 1985-05-22 1987-04-28 S. T. Research Corporation Balanced feedback oscillators
JPS63252003A (ja) * 1987-04-08 1988-10-19 Mitsubishi Electric Corp 発振器
US4788512A (en) * 1987-06-05 1988-11-29 Rockwell International Corporation Gain maintenance apparatus for use with a high gain amplifier incorporated in a closed loop feedback system
GB8716458D0 (en) * 1987-07-13 1987-08-19 Secr Defence Oscillator phase-noise reduction
US4792768A (en) * 1987-11-06 1988-12-20 Hewlett-Packard Company Fast frequency settling signal generator utilizing a frequency locked-loop
US5059927A (en) * 1989-08-28 1991-10-22 Ail Systems, Inc. Microwave oscillator with reduced phase noise
JP2847573B2 (ja) * 1990-09-10 1999-01-20 富士通株式会社 電圧制御発振器
JP2748676B2 (ja) * 1990-09-19 1998-05-13 日本電気株式会社 Ｐｌｌ回路
JPH04326608A (ja) * 1991-04-26 1992-11-16 Sumitomo Electric Ind Ltd 発振回路
JP2819876B2 (ja) * 1991-08-20 1998-11-05 松下電器産業株式会社 周波数シンセサイザ
US5220292A (en) * 1992-01-02 1993-06-15 Raytheon Company Microwave oscillator with noise degeneration feedback circuit
US5331293A (en) * 1992-09-02 1994-07-19 Motorola, Inc. Compensated digital frequency synthesizer
DE4241241A1 (de) * 1992-12-08 1994-06-09 Bosch Gmbh Robert Frequenzmodulierter spannungsgesteuerter Oszillator
US5311149A (en) * 1993-03-12 1994-05-10 Trimble Navigation Limited Integrated phase locked loop local oscillator
US5345193A (en) * 1993-07-28 1994-09-06 Wiltron Company Phase locked loop with loop gain stabilization circuit

Also Published As

Publication number Publication date
WO1996033551A1 (en) 1996-10-24
AU5661196A (en) 1996-11-07
EP0821846B1 (en) 2002-09-25
US5568096A (en) 1996-10-22
JPH11503889A (ja) 1999-03-30
DE69623946D1 (de) 2002-10-31
CN1082275C (zh) 2002-04-03
AU706216B2 (en) 1999-06-10
CN1187268A (zh) 1998-07-08
EP0821846A1 (en) 1998-02-04

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Legal Events

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B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 12A, 13A, 14A E 15A ANUIDADE(S).

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

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B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 12A, 13A, 14A E 15A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.