IL155694A0 - Method and apparatus for controlling stages of a multi-stage circuit - Google Patents
Method and apparatus for controlling stages of a multi-stage circuitInfo
- Publication number
- IL155694A0 IL155694A0 IL15569401A IL15569401A IL155694A0 IL 155694 A0 IL155694 A0 IL 155694A0 IL 15569401 A IL15569401 A IL 15569401A IL 15569401 A IL15569401 A IL 15569401A IL 155694 A0 IL155694 A0 IL 155694A0
- Authority
- IL
- Israel
- Prior art keywords
- stages
- signal
- sigmadelta
- adc
- control
- Prior art date
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
- H03M3/30—Delta-sigma modulation
- H03M3/32—Delta-sigma modulation with special provisions or arrangements for power saving, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains, by selectively turning on stages when needed
-
- 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
- H03M3/392—Arrangements for selecting among plural operation modes, e.g. for multi-standard operation
- H03M3/394—Arrangements for selecting among plural operation modes, e.g. for multi-standard operation among different orders of the loop filter
-
- 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
- H03M3/406—Arrangements specific to bandpass modulators characterised by the type of bandpass filters used by the use of a pair of integrators forming a closed loop
-
- 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
- H03M3/414—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type
- H03M3/418—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type all these quantisers being single bit quantisers
-
- 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
- H03M3/466—Multiplexed conversion systems
- H03M3/468—Interleaved, i.e. using multiple converters or converter parts for one channel, e.g. using Hadamard codes, pi-delta-sigma converters
- H03M3/47—Interleaved, i.e. using multiple converters or converter parts for one channel, e.g. using Hadamard codes, pi-delta-sigma converters using time-division multiplexing
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/703,647 US6407689B1 (en) | 2000-11-01 | 2000-11-01 | Method and apparatus for controlling stages of a multi-stage circuit |
PCT/US2001/046188 WO2002037686A2 (en) | 2000-11-01 | 2001-10-31 | Method and apparatus for controlling stages of a multi-stage circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
IL155694A0 true IL155694A0 (en) | 2003-11-23 |
Family
ID=24826238
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL15569401A IL155694A0 (en) | 2000-11-01 | 2001-10-31 | Method and apparatus for controlling stages of a multi-stage circuit |
IL155694A IL155694A (en) | 2000-11-01 | 2003-04-30 | Method and device to control the stages of a multi-stage circuit |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL155694A IL155694A (en) | 2000-11-01 | 2003-04-30 | Method and device to control the stages of a multi-stage circuit |
Country Status (12)
Country | Link |
---|---|
US (1) | US6407689B1 (xx) |
EP (1) | EP1421697B1 (xx) |
JP (1) | JP3917518B2 (xx) |
CN (1) | CN1265556C (xx) |
AT (1) | ATE376283T1 (xx) |
AU (1) | AU2002227187A1 (xx) |
BR (1) | BR0115060A (xx) |
CA (1) | CA2427423C (xx) |
DE (1) | DE60131027T2 (xx) |
HK (1) | HK1063888A1 (xx) |
IL (2) | IL155694A0 (xx) |
WO (1) | WO2002037686A2 (xx) |
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GB0423011D0 (en) * | 2004-10-16 | 2004-11-17 | Koninkl Philips Electronics Nv | Method and apparatus for analogue to digital conversion |
EP1805897B1 (en) * | 2004-10-18 | 2009-04-01 | Nxp B.V. | Signal receiver and mobile communication device |
JP2008521269A (ja) * | 2004-11-16 | 2008-06-19 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 干渉に対する耐性保護のための非侵入性フィルタを有する連続時間型シグマ−デルタアナログ−デジタル変換器 |
JP2006211045A (ja) * | 2005-01-25 | 2006-08-10 | Matsushita Electric Ind Co Ltd | 縦続型可変次数式δς変調器 |
US20060182209A1 (en) * | 2005-02-17 | 2006-08-17 | Lockheed Martin Corporation | Multi-sampling monobit receiver |
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US7916711B2 (en) * | 2005-03-24 | 2011-03-29 | Siport, Inc. | Systems and methods for saving power in a digital broadcast receiver |
CN101176260A (zh) * | 2005-04-01 | 2008-05-07 | Nxp股份有限公司 | 信号强度指示器 |
US7945233B2 (en) * | 2005-06-16 | 2011-05-17 | Siport, Inc. | Systems and methods for dynamically controlling a tuner |
US20070005228A1 (en) * | 2005-06-30 | 2007-01-04 | Sehat Sutardja | GPS-based traffic monitoring system |
US9047765B2 (en) * | 2005-06-30 | 2015-06-02 | Marvell World Trade Ltd. | GPS-based traffic monitoring system |
US7885758B2 (en) * | 2005-06-30 | 2011-02-08 | Marvell World Trade Ltd. | GPS-based traffic monitoring system |
US8335484B1 (en) * | 2005-07-29 | 2012-12-18 | Siport, Inc. | Systems and methods for dynamically controlling an analog-to-digital converter |
US9450665B2 (en) | 2005-10-19 | 2016-09-20 | Qualcomm Incorporated | Diversity receiver for wireless communication |
US7193546B1 (en) * | 2005-12-20 | 2007-03-20 | Cirrus Logic, Inc. | Phase-measuring delta-sigma modulator calibration method and apparatus |
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US8199769B2 (en) | 2007-05-25 | 2012-06-12 | Siport, Inc. | Timeslot scheduling in digital audio and hybrid audio radio systems |
WO2009053949A1 (en) * | 2007-10-22 | 2009-04-30 | Freescale Semiconductor, Inc. | Analog to digital converter with multiple modes, signal processing system and electronic apparatus |
JP4535145B2 (ja) | 2008-02-26 | 2010-09-01 | ソニー株式会社 | 通信装置、ノイズ除去方法、およびプログラム |
US7782237B2 (en) * | 2008-06-13 | 2010-08-24 | The Board Of Trustees Of The Leland Stanford Junior University | Semiconductor sensor circuit arrangement |
US7782239B2 (en) * | 2008-10-28 | 2010-08-24 | Robert Bosch Gmbh | Multi-stage resettable sigma-delta converters |
US8320823B2 (en) * | 2009-05-04 | 2012-11-27 | Siport, Inc. | Digital radio broadcast transmission using a table of contents |
JP4877403B2 (ja) * | 2010-05-10 | 2012-02-15 | ソニー株式会社 | 通信装置、ノイズ除去方法、およびプログラム |
US8565135B2 (en) | 2010-12-16 | 2013-10-22 | Qualcomm Incorporated | Power management of wireless protocol circuitry based on current state |
US8489053B2 (en) | 2011-01-16 | 2013-07-16 | Siport, Inc. | Compensation of local oscillator phase jitter |
US9178669B2 (en) | 2011-05-17 | 2015-11-03 | Qualcomm Incorporated | Non-adjacent carrier aggregation architecture |
US9252827B2 (en) | 2011-06-27 | 2016-02-02 | Qualcomm Incorporated | Signal splitting carrier aggregation receiver architecture |
US9154179B2 (en) | 2011-06-29 | 2015-10-06 | Qualcomm Incorporated | Receiver with bypass mode for improved sensitivity |
US8774334B2 (en) * | 2011-11-09 | 2014-07-08 | Qualcomm Incorporated | Dynamic receiver switching |
US9362958B2 (en) | 2012-03-02 | 2016-06-07 | Qualcomm Incorporated | Single chip signal splitting carrier aggregation receiver architecture |
US9172402B2 (en) | 2012-03-02 | 2015-10-27 | Qualcomm Incorporated | Multiple-input and multiple-output carrier aggregation receiver reuse architecture |
US9118439B2 (en) | 2012-04-06 | 2015-08-25 | Qualcomm Incorporated | Receiver for imbalanced carriers |
US9612606B2 (en) * | 2012-05-15 | 2017-04-04 | Taiwan Semiconductor Manufacturing Company, Ltd. | Bandgap reference circuit |
US9154356B2 (en) | 2012-05-25 | 2015-10-06 | Qualcomm Incorporated | Low noise amplifiers for carrier aggregation |
US9867194B2 (en) | 2012-06-12 | 2018-01-09 | Qualcomm Incorporated | Dynamic UE scheduling with shared antenna and carrier aggregation |
JP2014045409A (ja) * | 2012-08-28 | 2014-03-13 | Sony Corp | 受信装置及び受信方法 |
US9300420B2 (en) | 2012-09-11 | 2016-03-29 | Qualcomm Incorporated | Carrier aggregation receiver architecture |
US9543903B2 (en) | 2012-10-22 | 2017-01-10 | Qualcomm Incorporated | Amplifiers with noise splitting |
US8874059B2 (en) | 2013-03-13 | 2014-10-28 | Qualcomm, Incorporated | Reducing power consumption on a receiver |
US9831843B1 (en) | 2013-09-05 | 2017-11-28 | Cirrus Logic, Inc. | Opportunistic playback state changes for audio devices |
US9391576B1 (en) | 2013-09-05 | 2016-07-12 | Cirrus Logic, Inc. | Enhancement of dynamic range of audio signal path |
US9391591B2 (en) * | 2014-02-19 | 2016-07-12 | Pentomics, Inc. | Optimal factoring of FIR filters |
US9525940B1 (en) | 2014-03-05 | 2016-12-20 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system |
US9774342B1 (en) | 2014-03-05 | 2017-09-26 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system |
GB2527637B (en) * | 2014-04-14 | 2018-08-08 | Cirrus Logic Inc | Switchable secondary playback path |
US9306588B2 (en) | 2014-04-14 | 2016-04-05 | Cirrus Logic, Inc. | Switchable secondary playback path |
US10785568B2 (en) | 2014-06-26 | 2020-09-22 | Cirrus Logic, Inc. | Reducing audio artifacts in a system for enhancing dynamic range of audio signal path |
US9337795B2 (en) | 2014-09-09 | 2016-05-10 | Cirrus Logic, Inc. | Systems and methods for gain calibration of an audio signal path |
US9596537B2 (en) | 2014-09-11 | 2017-03-14 | Cirrus Logic, Inc. | Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement |
US9503027B2 (en) | 2014-10-27 | 2016-11-22 | Cirrus Logic, Inc. | Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator |
US9584911B2 (en) | 2015-03-27 | 2017-02-28 | Cirrus Logic, Inc. | Multichip dynamic range enhancement (DRE) audio processing methods and apparatuses |
US9959856B2 (en) | 2015-06-15 | 2018-05-01 | Cirrus Logic, Inc. | Systems and methods for reducing artifacts and improving performance of a multi-path analog-to-digital converter |
CN108141222B (zh) * | 2015-10-09 | 2021-08-06 | Tdk株式会社 | 用于麦克风的电子电路和麦克风 |
US9955254B2 (en) | 2015-11-25 | 2018-04-24 | Cirrus Logic, Inc. | Systems and methods for preventing distortion due to supply-based modulation index changes in an audio playback system |
US9543975B1 (en) | 2015-12-29 | 2017-01-10 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system with low-pass filter between paths |
US10177722B2 (en) | 2016-01-12 | 2019-01-08 | Qualcomm Incorporated | Carrier aggregation low-noise amplifier with tunable integrated power splitter |
US9880802B2 (en) | 2016-01-21 | 2018-01-30 | Cirrus Logic, Inc. | Systems and methods for reducing audio artifacts from switching between paths of a multi-path signal processing system |
US10141948B2 (en) * | 2016-06-06 | 2018-11-27 | Mediatek Inc. | Delta-sigma modulator, analog-to-digital converter and associated signal conversion method based on multi stage noise shaping structure |
US9998826B2 (en) | 2016-06-28 | 2018-06-12 | Cirrus Logic, Inc. | Optimization of performance and power in audio system |
US10545561B2 (en) | 2016-08-10 | 2020-01-28 | Cirrus Logic, Inc. | Multi-path digitation based on input signal fidelity and output requirements |
US10263630B2 (en) | 2016-08-11 | 2019-04-16 | Cirrus Logic, Inc. | Multi-path analog front end with adaptive path |
US9813814B1 (en) | 2016-08-23 | 2017-11-07 | Cirrus Logic, Inc. | Enhancing dynamic range based on spectral content of signal |
US9780800B1 (en) | 2016-09-19 | 2017-10-03 | Cirrus Logic, Inc. | Matching paths in a multiple path analog-to-digital converter |
US9762255B1 (en) | 2016-09-19 | 2017-09-12 | Cirrus Logic, Inc. | Reconfiguring paths in a multiple path analog-to-digital converter |
US9929703B1 (en) | 2016-09-27 | 2018-03-27 | Cirrus Logic, Inc. | Amplifier with configurable final output stage |
US9967665B2 (en) | 2016-10-05 | 2018-05-08 | Cirrus Logic, Inc. | Adaptation of dynamic range enhancement based on noise floor of signal |
US10321230B2 (en) | 2017-04-07 | 2019-06-11 | Cirrus Logic, Inc. | Switching in an audio system with multiple playback paths |
US10008992B1 (en) | 2017-04-14 | 2018-06-26 | Cirrus Logic, Inc. | Switching in amplifier with configurable final output stage |
US9917557B1 (en) | 2017-04-17 | 2018-03-13 | Cirrus Logic, Inc. | Calibration for amplifier with configurable final output stage |
TWI649961B (zh) * | 2017-08-22 | 2019-02-01 | 立積電子股份有限公司 | 功率放大器和用於射頻主動電路之保護電路 |
US10516406B1 (en) * | 2018-12-27 | 2019-12-24 | Intel Corporation | Digital to analog converter linearization system |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH01137832A (ja) * | 1987-11-25 | 1989-05-30 | Sony Corp | 全並列型a/dコンバータ |
DE69127491T2 (de) * | 1990-04-05 | 1998-01-08 | Matsushita Electric Ind Co Ltd | Digitaler Requantifizierer unter Verwendung von mehrstufigen Rauschformern |
US5757301A (en) * | 1997-05-01 | 1998-05-26 | National Science Council | Instability recovery method for sigma-delta modulators |
US5959562A (en) * | 1997-09-03 | 1999-09-28 | Analog Devices, Inc. | Sigma-delta modulator and method for operating such modulator |
US5982315A (en) * | 1997-09-12 | 1999-11-09 | Qualcomm Incorporated | Multi-loop Σ Δ analog to digital converter |
US6134430A (en) * | 1997-12-09 | 2000-10-17 | Younis; Saed G. | Programmable dynamic range receiver with adjustable dynamic range analog to digital converter |
US6087969A (en) * | 1998-04-27 | 2000-07-11 | Motorola, Inc. | Sigma-delta modulator and method for digitizing a signal |
TW443039B (en) * | 1999-05-20 | 2001-06-23 | Ind Tech Res Inst | Sigma-delta modulator by using method of local nonlinear feedback loop |
JP4353598B2 (ja) * | 1999-12-09 | 2009-10-28 | セイコーNpc株式会社 | デルタシグマd/a変換器 |
US6538588B1 (en) * | 2000-09-18 | 2003-03-25 | Qualcomm, Incorporated | Multi-sampling Σ-Δ analog-to-digital converter |
-
2000
- 2000-11-01 US US09/703,647 patent/US6407689B1/en not_active Expired - Lifetime
-
2001
- 2001-10-31 WO PCT/US2001/046188 patent/WO2002037686A2/en active IP Right Grant
- 2001-10-31 JP JP2002540316A patent/JP3917518B2/ja not_active Expired - Fee Related
- 2001-10-31 EP EP01993064A patent/EP1421697B1/en not_active Expired - Lifetime
- 2001-10-31 IL IL15569401A patent/IL155694A0/xx active IP Right Grant
- 2001-10-31 AU AU2002227187A patent/AU2002227187A1/en not_active Abandoned
- 2001-10-31 CA CA002427423A patent/CA2427423C/en not_active Expired - Fee Related
- 2001-10-31 DE DE60131027T patent/DE60131027T2/de not_active Expired - Lifetime
- 2001-10-31 AT AT01993064T patent/ATE376283T1/de not_active IP Right Cessation
- 2001-10-31 BR BR0115060-0A patent/BR0115060A/pt not_active Application Discontinuation
- 2001-10-31 CN CNB018212220A patent/CN1265556C/zh not_active Expired - Lifetime
-
2003
- 2003-04-30 IL IL155694A patent/IL155694A/en not_active IP Right Cessation
-
2004
- 2004-09-01 HK HK04106568A patent/HK1063888A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE60131027D1 (de) | 2007-11-29 |
EP1421697A2 (en) | 2004-05-26 |
CN1509519A (zh) | 2004-06-30 |
EP1421697B1 (en) | 2007-10-17 |
JP3917518B2 (ja) | 2007-05-23 |
WO2002037686A3 (en) | 2004-02-19 |
ATE376283T1 (de) | 2007-11-15 |
CA2427423C (en) | 2009-09-29 |
CA2427423A1 (en) | 2002-05-10 |
DE60131027T2 (de) | 2008-07-17 |
JP2004529518A (ja) | 2004-09-24 |
HK1063888A1 (en) | 2005-01-14 |
WO2002037686A2 (en) | 2002-05-10 |
US6407689B1 (en) | 2002-06-18 |
IL155694A (en) | 2008-04-13 |
CN1265556C (zh) | 2006-07-19 |
AU2002227187A1 (en) | 2002-05-15 |
BR0115060A (pt) | 2005-10-18 |
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Legal Events
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FF | Patent granted | ||
KB | Patent renewed | ||
KB | Patent renewed |