CN1209228A - 压控晶体振荡器和环路滤波器 - Google Patents

压控晶体振荡器和环路滤波器 Download PDF

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Publication number
CN1209228A
CN1209228A CN96180017A CN96180017A CN1209228A CN 1209228 A CN1209228 A CN 1209228A CN 96180017 A CN96180017 A CN 96180017A CN 96180017 A CN96180017 A CN 96180017A CN 1209228 A CN1209228 A CN 1209228A
Authority
CN
China
Prior art keywords
signal
coupled
frequency
duty cycle
controlled oscillator
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN96180017A
Other languages
English (en)
Chinese (zh)
Inventor
R·A·皮特施
P·K·瓦格纳
J·S·斯图尔特
K·拉马斯瓦迈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Inc filed Critical Thomson Consumer Electronics Inc
Publication of CN1209228A publication Critical patent/CN1209228A/zh
Pending legal-status Critical Current

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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)
CN96180017A 1995-12-22 1996-12-11 压控晶体振荡器和环路滤波器 Pending CN1209228A (zh)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US917895P 1995-12-22 1995-12-22
US60/009,178 1995-12-22
GB9600002.1 1996-01-02
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
GB9613608.0 1996-06-28
US73455596A 1996-10-21 1996-10-21
US08/734,555 1996-10-21

Publications (1)

Publication Number Publication Date
CN1209228A true CN1209228A (zh) 1999-02-24

Family

ID=27451382

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96180017A Pending CN1209228A (zh) 1995-12-22 1996-12-11 压控晶体振荡器和环路滤波器

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102035508A (zh) * 2010-05-28 2011-04-27 上海宏力半导体制造有限公司 一种时钟产生电路

Families Citing this family (2)

* 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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102035508A (zh) * 2010-05-28 2011-04-27 上海宏力半导体制造有限公司 一种时钟产生电路

Also Published As

Publication number Publication date
KR19990072222A (ko) 1999-09-27
EP0868782A1 (en) 1998-10-07
BR9612205A (pt) 1999-07-13
AU1417497A (en) 1997-07-17
JP2000505962A (ja) 2000-05-16
WO1997023955A1 (en) 1997-07-03

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C06 Publication
PB01 Publication
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication