BR9608249A - Dispositivo e processo para aumentar a estabilidade de um oscilador - Google Patents

Dispositivo e processo para aumentar a estabilidade de um oscilador

Info

Publication number
BR9608249A
BR9608249A BR9608249A BR9608249A BR9608249A BR 9608249 A BR9608249 A BR 9608249A BR 9608249 A BR9608249 A BR 9608249A BR 9608249 A BR9608249 A BR 9608249A BR 9608249 A BR9608249 A BR 9608249A
Authority
BR
Brazil
Prior art keywords
oscillator
stability
increasing
Prior art date
Application number
BR9608249A
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 BR9608249A publication Critical patent/BR9608249A/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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1206—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification
    • H03B5/1212—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier comprising a pair of transistors, wherein an output terminal of each being connected to an input terminal of the other, e.g. a cross coupled pair
    • 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1206—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification
    • H03B5/1221—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier comprising multiple amplification stages connected in cascade
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0086—Functional aspects of oscillators relating to the Q factor or damping of the resonant circuit
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0098—Functional aspects of oscillators having a balanced output signal
BR9608249A 1995-04-19 1996-03-26 Dispositivo e processo para aumentar a estabilidade de um oscilador BR9608249A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/424,077 US5561399A (en) 1995-04-19 1995-04-19 Cascaded multi-resonator oscillator having high Q-value
PCT/SE1996/000385 WO1996033552A1 (en) 1995-04-19 1996-03-26 Multi-resonator oscillator

Publications (1)

Publication Number Publication Date
BR9608249A true BR9608249A (pt) 1999-05-11

Family

ID=23681354

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9608249A BR9608249A (pt) 1995-04-19 1996-03-26 Dispositivo e processo para aumentar a estabilidade de um oscilador

Country Status (8)

Country Link
US (1) US5561399A (pt)
EP (1) EP0821847B1 (pt)
JP (1) JPH11503890A (pt)
CN (1) CN1068156C (pt)
AU (1) AU706321B2 (pt)
BR (1) BR9608249A (pt)
DE (1) DE69629187T2 (pt)
WO (1) WO1996033552A1 (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100750B (fi) * 1996-06-11 1998-02-13 Nikolay Tchamov Suurinopeuksinen rengasoskillaattori
FR2781099B1 (fr) * 1998-07-08 2000-09-01 St Microelectronics Sa Oscillateur presentant deux sorties en quadrature
US6232844B1 (en) * 1999-05-28 2001-05-15 Vitesse Semiconductor Corporation Controlled orthogonal current oscillator with ranging
US7337216B1 (en) * 1999-07-02 2008-02-26 Amino Holdings Limited Electronic system architecture
US6690243B1 (en) * 2001-06-07 2004-02-10 Cypress Semiconductor Corp. Multi-phase voltage-controlled oscillator at modulated, operating frequency
US6492877B1 (en) * 2001-08-09 2002-12-10 Lattice Semiconductor Corporation Coupling for LC-based VCO
US6900699B1 (en) 2001-11-14 2005-05-31 Berkana Wireless, Inc. Phase synchronous multiple LC tank oscillator
US7005930B1 (en) * 2001-11-14 2006-02-28 Berkana Wireless, Inc. Synchronously coupled oscillator
US20050216075A1 (en) * 2003-04-08 2005-09-29 Xingwu Wang Materials and devices of enhanced electromagnetic transparency
US7564316B2 (en) * 2005-12-23 2009-07-21 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Variable-frequency oscillator incorporating thin-film bulk acoustic resonators
US7880551B2 (en) * 2005-12-29 2011-02-01 The Trustees Of Columbia University In The City Of New York Systems and methods for distributing a clock signal
EP2422446B1 (en) * 2009-04-20 2013-10-30 Telefonaktiebolaget L M Ericsson (PUBL) An improved oscillator circuit
CN102832883B (zh) * 2012-08-30 2015-08-12 海能达通信股份有限公司 压控震荡电路和无线通信设备
US9306603B2 (en) 2014-01-24 2016-04-05 Qualcomm Incorporated Tunable radio frequency (RF) front-end architecture using filter having adjustable inductance and capacitance
US9641164B2 (en) * 2014-06-24 2017-05-02 Technische Universiteit Delft Quadrature LC tank digitally controlled ring oscillator
US10003326B1 (en) * 2017-05-15 2018-06-19 Shanghai Zhaoxin Semiconductor Co., Ltd. Ring oscillator
CN111510069B (zh) * 2019-01-30 2023-08-01 中国科学院微电子研究所 可集成化mems振荡器电路

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1745559A (en) * 1924-12-01 1930-02-04 Schrack Eduard Electron-discharge-tube generator
US1754882A (en) * 1926-11-27 1930-04-15 Edward F Colladay Polyphase broadcast distribution
US2294797A (en) * 1940-09-26 1942-09-01 Farnsworth Television & Radio Oscillator
FR958698A (pt) * 1942-05-29 1950-03-17
GB1029595A (en) * 1961-08-14 1966-05-18 Wenbrook Controls Ltd Improvements in oscillator circuit arrangements
US3321188A (en) * 1965-10-04 1967-05-23 Broadway Imp S Paint mixing device
GB1209706A (en) * 1968-05-31 1970-10-21 Smiths Industries Ltd Improvements in or relating to the generation of oscillations
US3763446A (en) * 1972-03-31 1973-10-02 Murata Manufacturing Co High frequency multi-resonator of trapped energy type
DE2831628C3 (de) * 1978-07-19 1981-05-27 Standard Elektrik Lorenz Ag, 7000 Stuttgart Spannungsgesteuerter Oszillator
US4184131A (en) * 1978-07-20 1980-01-15 Massachusetts Institute Of Technology Electrical filter of cascaded surface acoustic wave resonators
GB2220316B (en) * 1988-05-05 1992-01-29 Plessey Co Plc Improvements in and relating to oscillators
US4965539A (en) * 1989-06-02 1990-10-23 Watkins-Johnson Company Microwave notch filter using pin diode shunted YIG resonators
US4994763A (en) * 1989-11-13 1991-02-19 Chen Haw Renn Universal voltage-controlled multivibrator
US5194836A (en) * 1990-03-26 1993-03-16 Westinghouse Electric Corp. Thin film, microwave frequency manifolded filter bank
US5345197A (en) * 1993-01-11 1994-09-06 International Business Machines Battery powered magnetic pen having oscillator with improved efficiency and low power consumption
DE4321565A1 (de) * 1993-06-29 1995-01-12 Siagmbh Sican Anlagen Verwaltu Monolithisch integrierbarer, abstimmbarer Resonanzkreis und daraus gebildete Schaltungsanordnungen
US5418497A (en) * 1994-07-05 1995-05-23 Motorola, Inc. Low voltage VCO having two oscillator circuits of different frequencies

Also Published As

Publication number Publication date
DE69629187D1 (de) 2003-08-28
CN1068156C (zh) 2001-07-04
DE69629187T2 (de) 2004-05-27
AU5410796A (en) 1996-11-07
EP0821847B1 (en) 2003-07-23
WO1996033552A1 (en) 1996-10-24
JPH11503890A (ja) 1999-03-30
EP0821847A1 (en) 1998-02-04
US5561399A (en) 1996-10-01
CN1187269A (zh) 1998-07-08
AU706321B2 (en) 1999-06-17

Similar Documents

Publication Publication Date Title
BR9103444A (pt) Processo e dispositivo para determinar a posicao de um veiculo e veiculo
PT96843A (pt) Processo para a recuperacao de actinio-225 e bismuto-213
BR9602896A (pt) Recipiente para líquidos e processo de fabricação de um recipiente para líquidos
PT850948E (pt) Derivados propiofenona e processo para a preparacao dos mesmos
BR9608249A (pt) Dispositivo e processo para aumentar a estabilidade de um oscilador
PT770615E (pt) Processo para a preparacao de di-haloazolopirimidinas
PT878561E (pt) Processo e dispositivo para a renovacao de solucoes de estanhar
BR9103652A (pt) Processo para a producao de um dispositivo de ligacao e dispositivo de ligacao
PT885155E (pt) Processo para o fabrico de um reciiente para aerossol
BR9404980A (pt) Processo e dispositivo para a soldadura de bordos de chapa
BR9705749A (pt) Processo e dispositivo para a fabricação de bandeirolas e aplicação em embalagens (de cigarros)
PT743133E (pt) Processo e dispositivo para a uniao de duas pecas metalicas em bruto
BR9102794A (pt) Processo para a obtencao de tantalo e niobio
PT805123E (pt) Processo e dispositivo para a fusao do vidro
BR9300739A (pt) Processo hidrometalurgico para a obtencao de tantalo e niobio
BR9301180A (pt) Processo para a preparacao de isocianatos e emprego
BR9401790A (pt) Processo e dispositivo para determinar a localização de um alvo
PT839138E (pt) Processo para a preparacao de 3-hidroxipirazois substituidos em n
PT877738E (pt) Processo para a preparacao de derivados de fenil-imidazolidina
BR9607413A (pt) Processo para produçao de pentafluoretano e tetrafluorcloroetano
BR9505251A (pt) Processo para a fabricação de um composto e composto obtido
PT803576E (pt) Processo para a preparacao de lipstatina e de tetra-hidrolipstatina
BR9707173A (pt) Processo para a preparação de um composto e composto
BR9302048A (pt) Processo para a padronizacao e estabilidade de poliisocianatos organicos e sua aplicacao
BR9610143A (pt) Processo e dispositivo para a detecção e monitoramento de um espaço parcial

Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

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

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

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2256 DE 01/04/2014 POR TER SIDO INDEVIDA.

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.