NO995892L - Analog/digital-omforming med bruk av frekvensmodulerte inngangs- eller mellomverdier - Google Patents
Analog/digital-omforming med bruk av frekvensmodulerte inngangs- eller mellomverdierInfo
- Publication number
- NO995892L NO995892L NO995892A NO995892A NO995892L NO 995892 L NO995892 L NO 995892L NO 995892 A NO995892 A NO 995892A NO 995892 A NO995892 A NO 995892A NO 995892 L NO995892 L NO 995892L
- Authority
- NO
- Norway
- Prior art keywords
- analog
- digital conversion
- frequency modulated
- intermediate values
- modulated input
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/06—Frequency or rate modulation, i.e. PFM or PRM
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
En fremgangsmåte og en anordning for omforming av et frekvensmoc signal til et digitalt utgangssignal er beskrevet. Utgangssignalet fra omforme en triangulært veid sum av antallet null-gjennomganger i FM-signalet i hvert samplingsintervall over et samplingsintervall T.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9711374.0A GB9711374D0 (en) | 1997-06-02 | 1997-06-02 | Signal processing |
PCT/GB1998/001605 WO1998056115A1 (en) | 1997-06-02 | 1998-06-02 | Analogue-to-digital conversion using frequency-modulated input or intermediate values |
Publications (2)
Publication Number | Publication Date |
---|---|
NO995892D0 NO995892D0 (no) | 1999-12-01 |
NO995892L true NO995892L (no) | 2000-02-01 |
Family
ID=10813447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO995892A NO995892L (no) | 1997-06-02 | 1999-12-01 | Analog/digital-omforming med bruk av frekvensmodulerte inngangs- eller mellomverdier |
Country Status (10)
Country | Link |
---|---|
US (1) | US6362769B1 (no) |
EP (1) | EP0988704B1 (no) |
JP (1) | JP2002511988A (no) |
KR (1) | KR20010013321A (no) |
AU (1) | AU7778698A (no) |
CA (1) | CA2292615A1 (no) |
DE (1) | DE69801753T2 (no) |
GB (1) | GB9711374D0 (no) |
NO (1) | NO995892L (no) |
WO (1) | WO1998056115A1 (no) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6674774B1 (en) * | 2000-05-10 | 2004-01-06 | Infineon Technologies North America Corp. | Chopped laser driver for low noise applications |
FR2810814B1 (fr) * | 2000-06-26 | 2002-09-20 | St Microelectronics Sa | Modulateur fm numerique a faible cout |
US6690748B2 (en) * | 2001-07-06 | 2004-02-10 | Motorola, Inc. | Receiver with improved digital intermediate to base band demodulator |
US6975258B2 (en) * | 2003-01-23 | 2005-12-13 | Corporation For National Research Initiatives | Circuit for direct digital delta-sigma conversion of variable electrical capacitance |
JP4307154B2 (ja) * | 2003-05-26 | 2009-08-05 | 日本精工株式会社 | 電動パワーステアリング装置の制御装置 |
US6943712B1 (en) * | 2003-11-06 | 2005-09-13 | Marvell International Ltd. | Voltage built-in real-time digital non-linearity measurement device and method for analog to digital converters |
US7084798B2 (en) * | 2004-01-16 | 2006-08-01 | Cirrus Logic, Inc. | Look-ahead delta sigma modulators with quantizer input approximations |
US7009543B2 (en) * | 2004-01-16 | 2006-03-07 | Cirrus Logic, Inc. | Multiple non-monotonic quantizer regions for noise shaping |
US7187312B2 (en) * | 2004-01-16 | 2007-03-06 | Cirrus Logic, Inc. | Look-ahead delta sigma modulator having an infinite impulse response filter with multiple look-ahead outputs |
US7170434B2 (en) * | 2004-01-16 | 2007-01-30 | Cirrus Logic, Inc. | Look-ahead delta sigma modulator with quantization using natural and pattern loop filter responses |
US7196647B2 (en) * | 2004-01-16 | 2007-03-27 | Cirrus Logic, Inc. | Signal processing with look-ahead modulator noise quantization minimization |
US7138934B2 (en) * | 2004-01-26 | 2006-11-21 | Cirrus Logic, Inc. | Pattern biasing for look-ahead delta sigma modulators |
US7148830B2 (en) * | 2004-01-26 | 2006-12-12 | Cirrus Logic, Inc. | Look-ahead delta sigma modulator with pruning of output candidate vectors using quantization error minimization pruning techniques |
US7081843B2 (en) * | 2004-07-19 | 2006-07-25 | Cirrus Logic, Inc. | Overload protection for look-ahead delta sigma modulators |
DE102006050881B3 (de) * | 2006-10-27 | 2008-04-10 | Infineon Technologies Ag | Phasen-/Frequenzvergleicher, Phasenregelkreis, Verfahren zur Phasen-/Frequenzdetektion und Verfahren zum Erzeugen eines Oszillatorsignals |
US20100281088A1 (en) * | 2009-04-29 | 2010-11-04 | Psigenics Corporation | Integrated true random number generator |
JP6260817B2 (ja) * | 2014-02-18 | 2018-01-17 | 株式会社オーディオテクニカ | デジタルマイクロホンおよび位置−周波数変換器 |
JP6387676B2 (ja) | 2014-05-15 | 2018-09-12 | セイコーエプソン株式会社 | アイドルトーン分散装置及び周波数計測装置 |
JP7023149B2 (ja) * | 2018-03-22 | 2022-02-21 | キオクシア株式会社 | 半導体装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1588219A (en) * | 1977-02-07 | 1981-04-15 | Post Office | Conversion of analogue signals to digital signals |
US4281318A (en) * | 1980-05-30 | 1981-07-28 | Bell Telephone Laboratories, Incorporated | Digital-to-digital code converter |
DE3855342T2 (de) * | 1987-10-01 | 1997-01-23 | Sharp Kk | Digitale Phasenregelschleifen-Anordnung |
US5095264A (en) * | 1990-09-12 | 1992-03-10 | Sundstrand Data Control, Inc. | Frequency counter and method of counting frequency of a signal to minimize effects of duty cycle modulation |
US5107439A (en) | 1990-11-09 | 1992-04-21 | Hewlett-Packard Company | Continuous overlapping frequency measurement |
-
1997
- 1997-06-02 GB GBGB9711374.0A patent/GB9711374D0/en not_active Ceased
-
1998
- 1998-06-02 US US09/424,927 patent/US6362769B1/en not_active Expired - Fee Related
- 1998-06-02 WO PCT/GB1998/001605 patent/WO1998056115A1/en not_active Application Discontinuation
- 1998-06-02 DE DE69801753T patent/DE69801753T2/de not_active Expired - Fee Related
- 1998-06-02 KR KR1019997011316A patent/KR20010013321A/ko not_active Application Discontinuation
- 1998-06-02 AU AU77786/98A patent/AU7778698A/en not_active Abandoned
- 1998-06-02 JP JP50184099A patent/JP2002511988A/ja active Pending
- 1998-06-02 EP EP98925808A patent/EP0988704B1/en not_active Expired - Lifetime
- 1998-06-02 CA CA002292615A patent/CA2292615A1/en not_active Abandoned
-
1999
- 1999-12-01 NO NO995892A patent/NO995892L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JP2002511988A (ja) | 2002-04-16 |
KR20010013321A (ko) | 2001-02-26 |
EP0988704A1 (en) | 2000-03-29 |
GB9711374D0 (en) | 1997-07-30 |
DE69801753T2 (de) | 2002-07-04 |
DE69801753D1 (de) | 2001-10-25 |
US6362769B1 (en) | 2002-03-26 |
WO1998056115A1 (en) | 1998-12-10 |
NO995892D0 (no) | 1999-12-01 |
AU7778698A (en) | 1998-12-21 |
CA2292615A1 (en) | 1998-12-10 |
EP0988704B1 (en) | 2001-09-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC2A | Withdrawal, rejection or dismissal of laid open patent application |