BR9612205A - Oscilador de cristal controlado por voltagem e filtro de circuito completo - Google Patents

Oscilador de cristal controlado por voltagem e filtro de circuito completo

Info

Publication number
BR9612205A
BR9612205A BR9612205A BR9612205A BR9612205A BR 9612205 A BR9612205 A BR 9612205A BR 9612205 A BR9612205 A BR 9612205A BR 9612205 A BR9612205 A BR 9612205A BR 9612205 A BR9612205 A BR 9612205A
Authority
BR
Brazil
Prior art keywords
voltage
crystal oscillator
controlled crystal
circuit filter
full circuit
Prior art date
Application number
BR9612205A
Other languages
English (en)
Portuguese (pt)
Inventor
Robert Alan Pitsh
Paully Kelly Wagner
John Sidney Stewart
Kumar Ramaswamy
Original Assignee
Thomson Consumer Electronics
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
Priority claimed from GBGB9600002.1A external-priority patent/GB9600002D0/en
Priority claimed from GBGB9613608.0A external-priority patent/GB9613608D0/en
Application filed by Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of BR9612205A publication Critical patent/BR9612205A/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01—Details
    • H03K3/017—Adjustment of width or dutycycle of pulses
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
    • G06K7/0086—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers the connector comprising a circuit for steering the operations of the card connector
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J9/00—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification
    • H03J9/06—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification using electromagnetic waves other than radio waves, e.g. light
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/22—Modifications for ensuring a predetermined initial state when the supply voltage has been applied
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
    • H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
    • H04M1/745—Protection devices or circuits for voltages surges on the line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
BR9612205A 1995-12-22 1996-12-11 Oscilador de cristal controlado por voltagem e filtro de circuito completo BR9612205A (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US917895P 1995-12-22 1995-12-22
GBGB9600002.1A GB9600002D0 (en) 1996-01-02 1996-01-02 Receiver for compressed television information
GBGB9613608.0A GB9613608D0 (en) 1996-06-28 1996-06-28 40mhz VCXO and loop filter for digital symbol lock timing for high speed modems
US73455596A 1996-10-21 1996-10-21
PCT/US1996/019829 WO1997023955A1 (en) 1995-12-22 1996-12-11 Voltage controlled crystal oscillator and loop filter

Publications (1)

Publication Number Publication Date
BR9612205A true BR9612205A (pt) 1999-07-13

Family

ID=27451382

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9612205A BR9612205A (pt) 1995-12-22 1996-12-11 Oscilador de cristal controlado por voltagem e filtro de circuito completo

Country Status (7)

Country Link
EP (1) EP0868782A1 (ko)
JP (1) JP2000505962A (ko)
KR (1) KR19990072222A (ko)
CN (1) CN1209228A (ko)
AU (1) AU1417497A (ko)
BR (1) BR9612205A (ko)
WO (1) WO1997023955A1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020027493A1 (en) * 2000-08-23 2002-03-07 Brian Morrison Remote signal transmission control including compensation for variations in transmitter components
KR100714586B1 (ko) 2005-08-03 2007-05-07 삼성전기주식회사 듀티보정기능을 갖는 전압 제어 발진기
CN102035508B (zh) * 2010-05-28 2016-01-20 上海华虹宏力半导体制造有限公司 一种时钟产生电路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2497427A1 (fr) * 1980-12-29 1982-07-02 Chazenfus Henri Circuit de reglage du rapport cyclique d'un signal periodique impulsionnel et dispositif multiplicateur de frequence par 2, incluant ce circuit de reglage
GB2196808B (en) * 1986-10-31 1990-12-05 Stc Plc Oscillation generation
DE3730773A1 (de) * 1987-09-12 1989-03-23 Philips Patentverwaltung Hochfrequenz-generator
KR940001862B1 (ko) * 1991-03-21 1994-03-09 삼성전자 주식회사 페이징 수신기의 바이어스 안정화 회로
JPH04329710A (ja) * 1991-04-30 1992-11-18 Nec Corp ２逓倍回路

Also Published As

Publication number Publication date
WO1997023955A1 (en) 1997-07-03
CN1209228A (zh) 1999-02-24
KR19990072222A (ko) 1999-09-27
JP2000505962A (ja) 2000-05-16
EP0868782A1 (en) 1998-10-07
AU1417497A (en) 1997-07-17

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law