BR9612205A - Voltage-controlled crystal oscillator and full circuit filter - Google Patents
Voltage-controlled crystal oscillator and full circuit filterInfo
- 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
Links
- 239000013078 crystal Substances 0.000 title 1
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)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
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 (en) | 1999-07-13 |
Family
ID=27451382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9612205A BR9612205A (en) | 1995-12-22 | 1996-12-11 | Voltage-controlled crystal oscillator and full circuit filter |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0868782A1 (en) |
JP (1) | JP2000505962A (en) |
KR (1) | KR19990072222A (en) |
CN (1) | CN1209228A (en) |
AU (1) | AU1417497A (en) |
BR (1) | BR9612205A (en) |
WO (1) | WO1997023955A1 (en) |
Families Citing this family (3)
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 (en) | 2005-08-03 | 2007-05-07 | 삼성전기주식회사 | Voltage controlled oscillator with duty correction |
CN102035508B (en) * | 2010-05-28 | 2016-01-20 | 上海华虹宏力半导体制造有限公司 | A kind of clock generation circuit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2497427A1 (en) * | 1980-12-29 | 1982-07-02 | Chazenfus Henri | CIRCUIT FOR ADJUSTING THE CYCLIC RATIO OF AN IMPULSE PERIODIC SIGNAL AND FREQUENCY MULTIPLIER DEVICE BY 2, INCLUDING THE ADJUSTING CIRCUIT |
GB2196808B (en) * | 1986-10-31 | 1990-12-05 | Stc Plc | Oscillation generation |
DE3730773A1 (en) * | 1987-09-12 | 1989-03-23 | Philips Patentverwaltung | Radio-frequency generator |
KR940001862B1 (en) * | 1991-03-21 | 1994-03-09 | 삼성전자 주식회사 | Bias stable circuit of paging receiver |
JPH04329710A (en) * | 1991-04-30 | 1992-11-18 | Nec Corp | Two-multiple circuit |
-
1996
- 1996-12-11 EP EP96944343A patent/EP0868782A1/en not_active Withdrawn
- 1996-12-11 AU AU14174/97A patent/AU1417497A/en not_active Abandoned
- 1996-12-11 BR BR9612205A patent/BR9612205A/en not_active Application Discontinuation
- 1996-12-11 JP JP09523709A patent/JP2000505962A/en active Pending
- 1996-12-11 KR KR1019980704620A patent/KR19990072222A/en not_active Application Discontinuation
- 1996-12-11 WO PCT/US1996/019829 patent/WO1997023955A1/en not_active Application Discontinuation
- 1996-12-11 CN CN96180017A patent/CN1209228A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2000505962A (en) | 2000-05-16 |
CN1209228A (en) | 1999-02-24 |
AU1417497A (en) | 1997-07-17 |
KR19990072222A (en) | 1999-09-27 |
EP0868782A1 (en) | 1998-10-07 |
WO1997023955A1 (en) | 1997-07-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA10 | Dismissal: dismissal - article 33 of industrial property law |