DE68915746D1 - Anordnung für einen sigma-delta-umsetzer für bandpass-signale. - Google Patents
Anordnung für einen sigma-delta-umsetzer für bandpass-signale.Info
- Publication number
- DE68915746D1 DE68915746D1 DE68915746T DE68915746T DE68915746D1 DE 68915746 D1 DE68915746 D1 DE 68915746D1 DE 68915746 T DE68915746 T DE 68915746T DE 68915746 T DE68915746 T DE 68915746T DE 68915746 D1 DE68915746 D1 DE 68915746D1
- Authority
- DE
- Germany
- Prior art keywords
- sigma delta
- bandpass signals
- delta converter
- converter
- digital
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
- H04B14/062—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM]
-
- 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
- H03M3/402—Arrangements specific to bandpass modulators
- H03M3/404—Arrangements specific to bandpass modulators characterised by the type of bandpass filters used
- H03M3/408—Arrangements specific to bandpass modulators characterised by the type of bandpass filters used by the use of an LC circuit
-
- 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
- H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M3/424—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one
-
- 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
- H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
- H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/149,350 US4857928A (en) | 1988-01-28 | 1988-01-28 | Method and arrangement for a sigma delta converter for bandpass signals |
PCT/US1989/000186 WO1989007368A1 (en) | 1988-01-28 | 1989-01-17 | Method and arrangement for a sigma delta converter for bandpass signals |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68915746D1 true DE68915746D1 (de) | 1994-07-07 |
DE68915746T2 DE68915746T2 (de) | 1994-12-22 |
Family
ID=22529894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68915746T Expired - Lifetime DE68915746T2 (de) | 1988-01-28 | 1989-01-17 | Anordnung für einen sigma-delta-umsetzer für bandpass-signale. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4857928A (de) |
EP (1) | EP0398981B1 (de) |
JP (1) | JP2600409B2 (de) |
KR (1) | KR920010219B1 (de) |
CN (1) | CN1012926B (de) |
AT (1) | ATE106640T1 (de) |
BR (1) | BR8907177A (de) |
CA (1) | CA1292519C (de) |
DE (1) | DE68915746T2 (de) |
HK (1) | HK113397A (de) |
WO (1) | WO1989007368A1 (de) |
Families Citing this family (83)
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EP0399738A3 (de) * | 1989-05-26 | 1991-05-08 | Gec-Marconi Limited | Analog-/Digitalwandler |
GB8912780D0 (en) * | 1989-06-02 | 1989-07-19 | Gen Electric Co Plc | Analogue to digital converters |
US5068660A (en) * | 1989-10-27 | 1991-11-26 | Crystal Semiconductor Corporation | Combining fully-differential and single-ended signal processing in a delta-sigma modulator |
US5003621A (en) * | 1989-11-02 | 1991-03-26 | Motorola, Inc. | Direct conversion FM receiver |
US5198817A (en) * | 1990-04-26 | 1993-03-30 | Hughes Aircraft Company | High-order sigma-delta analog-to-digital converter |
US5030954A (en) * | 1990-09-17 | 1991-07-09 | General Electric Company | Double rate oversampled interpolative modulators for analog-to-digital conversion |
US5057840A (en) * | 1990-12-26 | 1991-10-15 | Motorola, Inc. | Σ-Δmodulator for digital-to-analog converter |
FI88980C (fi) * | 1991-01-09 | 1993-07-26 | Nokia Mobile Phones Ltd | Sigma-delta-modulator foer d/a-omvandlare |
DE4104882A1 (de) * | 1991-02-18 | 1992-08-20 | Blaupunkt Werke Gmbh | Autoradio mit einer schaltungsanordnung zur analog/digital-wandlung eines zwischenfrequenzsignals |
GB9111821D0 (en) * | 1991-06-01 | 1991-07-24 | Marconi Gec Ltd | Analogue-to-digital converters |
GB9207626D0 (en) * | 1992-04-08 | 1992-05-27 | Marconi Gec Ltd | Data converters |
US5345406A (en) * | 1992-08-25 | 1994-09-06 | Wireless Access, Inc. | Bandpass sigma delta converter suitable for multiple protocols |
US5389927A (en) * | 1993-05-28 | 1995-02-14 | Motorola, Inc. | Method and apparatus for control of an analog to digital converter |
FI107855B (fi) * | 1993-09-10 | 2001-10-15 | Nokia Mobile Phones Ltd | Vt-signaalin demodulointi sigma-delta-muuntimella |
US5442353A (en) * | 1993-10-25 | 1995-08-15 | Motorola, Inc. | Bandpass sigma-delta analog-to-digital converter (ADC), method therefor, and receiver using same |
JP3243130B2 (ja) * | 1994-10-31 | 2002-01-07 | 松下電器産業株式会社 | アダプティブアンテナ付き受信装置 |
US5563535A (en) * | 1994-11-29 | 1996-10-08 | Microunity Systems Engineering, Inc. | Direct digital frequency synthesizer using sigma-delta techniques |
US5757867A (en) * | 1995-03-30 | 1998-05-26 | The United States Of America As Represented By The Secretary Of The Navy | Digital mixing to baseband decimation filter |
JPH09153814A (ja) * | 1995-11-30 | 1997-06-10 | Sony Corp | ディジタル信号処理装置及び記録装置 |
US5729230A (en) * | 1996-01-17 | 1998-03-17 | Hughes Aircraft Company | Delta-Sigma Δ-Σ modulator having a dynamically tunable continuous time Gm-C architecture |
US5726600A (en) * | 1996-01-17 | 1998-03-10 | Hughes Aircraft Company | NPN bipolar circuit topology for a tunable transconductance cell and positive current source |
US6037985A (en) * | 1996-10-31 | 2000-03-14 | Texas Instruments Incorporated | Video compression |
DE19701844A1 (de) * | 1997-01-21 | 1998-07-23 | Motorola Inc | Filter zur Störsignalunterdrückung |
JP3459339B2 (ja) * | 1997-07-03 | 2003-10-20 | 株式会社リコー | Ppm方式を採用する変調回路、復調回路及び変復調回路システム |
US6148048A (en) * | 1997-09-26 | 2000-11-14 | Cirrus Logic, Inc. | Receive path implementation for an intermediate frequency transceiver |
US6217190B1 (en) | 1997-10-02 | 2001-04-17 | The Whitaker Corporation | Lighting assembly for multiple fluorescent lamps |
US6498926B1 (en) | 1997-12-09 | 2002-12-24 | Qualcomm Incorporated | Programmable linear receiver having a variable IIP3 point |
US6005506A (en) * | 1997-12-09 | 1999-12-21 | Qualcomm, Incorporated | Receiver with sigma-delta analog-to-digital converter for sampling a received signal |
US5986598A (en) * | 1997-12-19 | 1999-11-16 | Motorola, Inc. | Sigma delta data converter with feed-forward path to stabilize integrator signal swing |
KR100299139B1 (ko) * | 1997-12-31 | 2001-11-14 | 윤종용 | 데시메이션여파기장치및방법 |
US7242912B2 (en) * | 1998-05-29 | 2007-07-10 | Silicon Laboratories Inc. | Partitioning of radio-frequency apparatus |
US6970717B2 (en) * | 2001-01-12 | 2005-11-29 | Silicon Laboratories Inc. | Digital architecture for radio-frequency apparatus and associated methods |
US7092675B2 (en) * | 1998-05-29 | 2006-08-15 | Silicon Laboratories | Apparatus and methods for generating radio frequencies in communication circuitry using multiple control signals |
US7228109B2 (en) * | 2001-01-12 | 2007-06-05 | Silicon Laboratories Inc. | DC offset reduction in radio-frequency apparatus and associated methods |
US7035607B2 (en) * | 1998-05-29 | 2006-04-25 | Silicon Laboratories Inc. | Systems and methods for providing an adjustable reference signal to RF circuitry |
US7024221B2 (en) | 2001-01-12 | 2006-04-04 | Silicon Laboratories Inc. | Notch filter for DC offset reduction in radio-frequency apparatus and associated methods |
US6993314B2 (en) | 1998-05-29 | 2006-01-31 | Silicon Laboratories Inc. | Apparatus for generating multiple radio frequencies in communication circuitry and associated methods |
US6804497B2 (en) * | 2001-01-12 | 2004-10-12 | Silicon Laboratories, Inc. | Partitioned radio-frequency apparatus and associated methods |
US7221921B2 (en) * | 1998-05-29 | 2007-05-22 | Silicon Laboratories | Partitioning of radio-frequency apparatus |
US6047035A (en) * | 1998-06-15 | 2000-04-04 | Dspc Israel Ltd. | Method and device for quantizing the input to soft decoders |
US7515896B1 (en) | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US7209725B1 (en) | 1999-01-22 | 2007-04-24 | Parkervision, Inc | Analog zero if FM decoder and embodiments thereof, such as the family radio service |
US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US6853690B1 (en) | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
US6246283B1 (en) * | 1999-03-09 | 2001-06-12 | Tripath Technology, Inc. | Power efficient line driver |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US6903617B2 (en) | 2000-05-25 | 2005-06-07 | Silicon Laboratories Inc. | Method and apparatus for synthesizing high-frequency signals for wireless communications |
DE10044456A1 (de) * | 2000-09-08 | 2002-04-04 | Infineon Technologies Ag | Empfängerschaltung, innsbesondere für den Mobilfunk |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US7138858B2 (en) | 2001-01-12 | 2006-11-21 | Silicon Laboratories, Inc. | Apparatus and methods for output buffer circuitry with constant output power in radio-frequency circuitry |
US7035611B2 (en) * | 2001-01-12 | 2006-04-25 | Silicon Laboratories Inc. | Apparatus and method for front-end circuitry in radio-frequency apparatus |
US20030232613A1 (en) * | 2001-01-12 | 2003-12-18 | Kerth Donald A. | Quadrature signal generation in radio-frequency apparatus and associated methods |
US7177610B2 (en) * | 2001-01-12 | 2007-02-13 | Silicon Laboratories Inc. | Calibrated low-noise current and voltage references and associated methods |
US7158574B2 (en) * | 2001-01-12 | 2007-01-02 | Silicon Laboratories Inc. | Digital interface in radio-frequency apparatus and associated methods |
US7031683B2 (en) * | 2001-01-12 | 2006-04-18 | Silicon Laboratories Inc. | Apparatus and methods for calibrating signal-processing circuitry |
US7248628B2 (en) * | 2001-03-02 | 2007-07-24 | Shaeffer Derek K | Method and apparatus for a programmable filter |
US6429797B1 (en) | 2001-07-05 | 2002-08-06 | International Business Machines Corporation | Decimation filter for a bandpass delta-sigma ADC |
US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
US7085335B2 (en) * | 2001-11-09 | 2006-08-01 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
KR101031735B1 (ko) * | 2002-03-15 | 2011-04-29 | 실리콘 래버래토리즈 인코포레이티드 | 무선주파수장치 및 관련 방법 |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
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WO2004066501A2 (en) * | 2003-01-17 | 2004-08-05 | Digital Compression Technology, Lp | Coding system for minimizing digital data bandwidth |
US7692023B2 (en) * | 2004-02-11 | 2010-04-06 | Teva Pharmaceutical Industries Ltd. | Candesartan cilexetil polymorphs |
US7272375B2 (en) | 2004-06-30 | 2007-09-18 | Silicon Laboratories Inc. | Integrated low-IF terrestrial audio broadcast receiver and associated method |
US7149492B2 (en) * | 2004-07-30 | 2006-12-12 | Broadcom Corporation | Method to improve CMFB phase margin of variable-output-bandwidth mixer |
CN100393903C (zh) * | 2005-08-26 | 2008-06-11 | 首钢总公司 | 一种强韧性低合金结构钢的生产方法 |
US7583214B2 (en) | 2006-03-31 | 2009-09-01 | Siemens Medical Solutions Usa, Inc. | Dynamic receive beamformer with oversampling for medical diagnostic ultrasound |
US7466256B2 (en) * | 2006-03-31 | 2008-12-16 | Siemens Medical Solutions Usa, Inc. | Universal ultrasound sigma-delta receiver path |
US7782237B2 (en) * | 2008-06-13 | 2010-08-24 | The Board Of Trustees Of The Leland Stanford Junior University | Semiconductor sensor circuit arrangement |
CN101826855B (zh) * | 2010-05-12 | 2012-10-03 | 四川和芯微电子股份有限公司 | 具有∑-△调制器的信号调整系统 |
US20150260571A1 (en) * | 2014-03-11 | 2015-09-17 | Texas Instruments Incorporated | Time-of-flight (tof) receiver with high dynamic range |
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Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2927962A (en) * | 1954-04-26 | 1960-03-08 | Bell Telephone Labor Inc | Transmission systems employing quantization |
US3192371A (en) * | 1961-09-14 | 1965-06-29 | United Aircraft Corp | Feedback integrating system |
US3560957A (en) * | 1966-01-26 | 1971-02-02 | Hitachi Ltd | Signal conversion systems with storage and correction of quantization error |
US3855555A (en) * | 1970-09-04 | 1974-12-17 | Industrial Research Prod Inc | Delta modulator having low-level random noise characteristic |
US3876946A (en) * | 1973-10-31 | 1975-04-08 | Singer Co | Radio frequency digital fourier analyzer |
US4528551A (en) * | 1979-11-28 | 1985-07-09 | International Telephone And Telegraph Corporation | Digital to analog converter employing sigma-delta modulation for use in telephone systems |
DE3310310A1 (de) * | 1983-03-22 | 1984-09-27 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren und anordnung zum interpolativen a/d-umsetzen |
US4556900A (en) * | 1983-05-25 | 1985-12-03 | Rca Corporation | Scaling device as for quantized B-Y signal |
BE899174A (nl) * | 1984-03-16 | 1984-09-17 | Bell Telephone Mfg | Besturingsketen met terugkoppeling en met geschakelde schakelaars en sigma-delta modulator waarin deze wordt toegepast. |
DE3679680D1 (de) * | 1985-02-04 | 1991-07-18 | Nippon Telegraph & Telephone | Konverter mit ueberabtastung. |
JP2829605B2 (ja) * | 1985-09-03 | 1998-11-25 | モトローラ・インコーポレーテッド | ディジタル無線周波受信機 |
GB2188517B (en) * | 1986-03-27 | 1989-11-22 | Multitone Electronics Plc | Spread-spectrum receivers |
US4746899A (en) * | 1986-10-07 | 1988-05-24 | Crystal Semiconductor Corporation | Method for reducing effects of electrical noise in an analog-to-digital converter |
-
1988
- 1988-01-28 US US07/149,350 patent/US4857928A/en not_active Expired - Lifetime
- 1988-12-08 CA CA000585306A patent/CA1292519C/en not_active Expired - Lifetime
-
1989
- 1989-01-17 EP EP89902567A patent/EP0398981B1/de not_active Expired - Lifetime
- 1989-01-17 JP JP1502381A patent/JP2600409B2/ja not_active Expired - Lifetime
- 1989-01-17 BR BR898907177A patent/BR8907177A/pt not_active IP Right Cessation
- 1989-01-17 KR KR1019890701756A patent/KR920010219B1/ko not_active IP Right Cessation
- 1989-01-17 WO PCT/US1989/000186 patent/WO1989007368A1/en active IP Right Grant
- 1989-01-17 DE DE68915746T patent/DE68915746T2/de not_active Expired - Lifetime
- 1989-01-17 AT AT89902567T patent/ATE106640T1/de not_active IP Right Cessation
- 1989-01-27 CN CN89100462A patent/CN1012926B/zh not_active Expired
-
1997
- 1997-06-26 HK HK113397A patent/HK113397A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK113397A (en) | 1997-08-29 |
JPH03503232A (ja) | 1991-07-18 |
DE68915746T2 (de) | 1994-12-22 |
US4857928A (en) | 1989-08-15 |
CA1292519C (en) | 1991-11-26 |
WO1989007368A1 (en) | 1989-08-10 |
JP2600409B2 (ja) | 1997-04-16 |
ATE106640T1 (de) | 1994-06-15 |
EP0398981B1 (de) | 1994-06-01 |
EP0398981A4 (en) | 1991-05-15 |
CN1012926B (zh) | 1991-06-19 |
CN1035923A (zh) | 1989-09-27 |
KR920010219B1 (ko) | 1992-11-21 |
KR900701099A (ko) | 1990-08-17 |
EP0398981A1 (de) | 1990-11-28 |
BR8907177A (pt) | 1991-02-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |