[go: up one dir, main page]

DE602005015472D1 - Einstellung des Eingangssignalpegels eines Sigma-Delta Wandlers - Google Patents

Einstellung des Eingangssignalpegels eines Sigma-Delta Wandlers

Info

Publication number
DE602005015472D1
DE602005015472D1 DE602005015472T DE602005015472T DE602005015472D1 DE 602005015472 D1 DE602005015472 D1 DE 602005015472D1 DE 602005015472 T DE602005015472 T DE 602005015472T DE 602005015472 T DE602005015472 T DE 602005015472T DE 602005015472 D1 DE602005015472 D1 DE 602005015472D1
Authority
DE
Germany
Prior art keywords
sigma
adjustment
input signal
signal level
delta converter
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.)
Active
Application number
DE602005015472T
Other languages
English (en)
Inventor
Lars Sundstroem
Stefan Nilsson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE602005015472D1 publication Critical patent/DE602005015472D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
    • H03M3/488—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control
    • H03M3/49—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
    • 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
    • H03M3/454—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 with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
    • 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
    • H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
    • H03M3/48—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting
    • H03M3/486—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting by adapting the input gain

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE602005015472T 2005-12-22 2005-12-22 Einstellung des Eingangssignalpegels eines Sigma-Delta Wandlers Active DE602005015472D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05388113A EP1801977B1 (de) 2005-12-22 2005-12-22 Einstellung des Eingangssignalpegels eines Sigma-Delta Wandlers

Publications (1)

Publication Number Publication Date
DE602005015472D1 true DE602005015472D1 (de) 2009-08-27

Family

ID=36143467

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005015472T Active DE602005015472D1 (de) 2005-12-22 2005-12-22 Einstellung des Eingangssignalpegels eines Sigma-Delta Wandlers

Country Status (6)

Country Link
US (1) US7825841B2 (de)
EP (1) EP1801977B1 (de)
JP (1) JP4829311B2 (de)
DE (1) DE602005015472D1 (de)
TW (1) TW200746654A (de)
WO (1) WO2007071368A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2907988B1 (fr) * 2006-10-31 2009-01-23 Thales Sa Modulateur sigma-delta
GB2457010A (en) * 2007-12-13 2009-08-05 Ubidyne Inc Automatic gain control for delta sigma modulators
WO2009150611A1 (en) * 2008-06-09 2009-12-17 Nxp B.V. Digital detector and digital automatic gain control system for radio receivers
US9059766B2 (en) 2011-07-15 2015-06-16 Intel IP Corporation System and method for controlling current to certain components of a wireless communication device
US9240754B2 (en) 2013-12-30 2016-01-19 Qualcomm Technologies International, Ltd. Frequency fine tuning
US9442141B2 (en) * 2014-01-08 2016-09-13 Qualcomm Technologies International, Ltd. Analogue-to-digital converter
US9391563B2 (en) 2013-12-30 2016-07-12 Qualcomm Technologies International, Ltd. Current controlled transconducting inverting amplifiers
EP3229371B1 (de) 2016-04-06 2020-03-11 Nxp B.V. Audioverstärkungssystem
JP7030470B2 (ja) * 2017-10-05 2022-03-07 キヤノン株式会社 信号処理装置、信号処理方法、及びプログラム
DE102019105823B4 (de) * 2019-03-07 2020-11-19 Tdk Electronics Ag Analog-Digital-Wandler und diesen enthaltende Sensoranordnung

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4424439A (en) * 1982-01-07 1984-01-03 General Electric Company Protective method and circuit arrangement for appliance incorporating sheathed heating element
US4434439A (en) * 1982-02-22 1984-02-28 Rca Corporation Digital television AGC arrangement
JPH0393313A (ja) * 1989-09-05 1991-04-18 Nec Corp レベル補正回路
US5012244A (en) * 1989-10-27 1991-04-30 Crystal Semiconductor Corporation Delta-sigma modulator with oscillation detect and reset circuit
EP0431214A1 (de) * 1989-12-08 1991-06-12 Siemens Aktiengesellschaft Analog-Digital-Wandleranordnung
JP3214981B2 (ja) * 1994-06-30 2001-10-02 旭化成マイクロシステム株式会社 Ａｇｃ機能付きデルタシグマ型ａ／ｄ変換器
JPH11145829A (ja) * 1997-11-06 1999-05-28 Sony Corp 利得制御機能を有するａ／ｄ変換器
US6160859A (en) * 1998-10-19 2000-12-12 Motorola, Inc. Integrated multi-mode bandpass sigma-delta receiver subsystem with interference mitigation and method of using the same
JP2003209450A (ja) * 2002-01-15 2003-07-25 Matsushita Electric Ind Co Ltd 自動利得制御回路及び自動利得制御方法
DE10247133B4 (de) * 2002-10-09 2009-12-31 Infineon Technologies Ag Gesteuerte Stromquelle, insbesondere für Digital-Analog-Umsetzer in zeitkontinuierlichen Sigma-Delta-Modulatoren
JP2004134917A (ja) * 2002-10-09 2004-04-30 Matsushita Electric Ind Co Ltd 自動利得制御装置、無線受信装置及び自動利得制御方法
JP4432530B2 (ja) * 2004-02-23 2010-03-17 パナソニック株式会社 デジタル信号処理アンプ
US7142142B2 (en) * 2004-02-25 2006-11-28 Nelicor Puritan Bennett, Inc. Multi-bit ADC with sigma-delta modulation
WO2005083888A1 (de) * 2004-02-27 2005-09-09 Infineon Technologies Ag Stromsparender multibit-delta-sigma-wandler
WO2006098976A2 (en) * 2005-03-09 2006-09-21 Analog Devices, Inc One terminal capacitor interface circuit
GB0611639D0 (en) * 2006-06-12 2006-07-19 Global Silicon Ltd A sigma-delta modulator

Also Published As

Publication number Publication date
US20090219185A1 (en) 2009-09-03
JP2009521147A (ja) 2009-05-28
EP1801977A1 (de) 2007-06-27
TW200746654A (en) 2007-12-16
JP4829311B2 (ja) 2011-12-07
EP1801977B1 (de) 2009-07-15
WO2007071368A1 (en) 2007-06-28
US7825841B2 (en) 2010-11-02

Similar Documents

Publication Publication Date Title
TWI370956B (en) Dense opc
DE602006016321D1 (de) Analog-/digitalwandler
EP1883045A4 (de) Signalprozessor
DE602006003378D1 (de) Elektroakustischer Wandler
DK1878305T3 (da) Akustisk arrangement til en transducer
EP1962552A4 (de) Ultraschallwandler
DE602006012851D1 (de) Analog/digital-umsetzer
DE602007012253D1 (de) Analog-digital-wandler
FI20065583L (fi) Taajuusmuuttaja
EP1999847A4 (de) Filteradaptive frequenzauflösung
EP1883085A4 (de) Digitaler signalprozessor
EP1937192A4 (de) Orthose
DE602006011753D1 (de) Sigma-delta-modulatoren
DK1775557T3 (da) Signalprocessor
DE602005015472D1 (de) Einstellung des Eingangssignalpegels eines Sigma-Delta Wandlers
NO20055456L (no) Kontinuerlig stromningsreaktor
FR2885844B1 (fr) Jante anti-enlisement
DK1900249T3 (da) Elektroakustisk transducer
FI20040432A0 (fi) Järjestely suodattimen lähtösignaalin jakamiseksi
DE602005012374D1 (de) A/D Wandler
FI20040387A0 (fi) Paineastia
FI20055188A0 (fi) Reaktori
FI6776U1 (fi) Taajuusmuuttaja
DE502005002721D1 (de) Flanschdichtung
DE502004008977D1 (de) Präkalibriertes Mehrweginstrument

Legal Events

Date Code Title Description
8364 No opposition during term of opposition