JP2008517510A - 信号強度インジケータ - Google Patents

信号強度インジケータ Download PDF

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Publication number
JP2008517510A
JP2008517510A JP2007536327A JP2007536327A JP2008517510A JP 2008517510 A JP2008517510 A JP 2008517510A JP 2007536327 A JP2007536327 A JP 2007536327A JP 2007536327 A JP2007536327 A JP 2007536327A JP 2008517510 A JP2008517510 A JP 2008517510A
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JP
Japan
Prior art keywords
signal
loop
analog
digital
level
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.)
Withdrawn
Application number
JP2007536327A
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English (en)
Japanese (ja)
Inventor
ヘンリクス マルガリータ ファン フェルドーフェン ロバート
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
Koninklijke Philips Electronics NV
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 Koninklijke Philips NV, Koninklijke Philips Electronics NV filed Critical Koninklijke Philips NV
Publication of JP2008517510A publication Critical patent/JP2008517510A/ja
Withdrawn legal-status Critical Current

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    • 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
    • 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
    • H03M3/452—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 weighted feedforward summation, i.e. with feedforward paths from more than one filter stage to the quantiser input
    • 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

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuits Of Receivers In General (AREA)
JP2007536327A 2004-10-18 2005-10-11 信号強度インジケータ Withdrawn JP2008517510A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04300684 2004-10-18
PCT/IB2005/053342 WO2006043206A1 (en) 2004-10-18 2005-10-11 Signal strength indicator

Publications (1)

Publication Number Publication Date
JP2008517510A true JP2008517510A (ja) 2008-05-22

Family

ID=35462462

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007536327A Withdrawn JP2008517510A (ja) 2004-10-18 2005-10-11 信号強度インジケータ

Country Status (4)

Country Link
EP (1) EP1805896A1 (zh)
JP (1) JP2008517510A (zh)
CN (1) CN101044683B (zh)
WO (1) WO2006043206A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110620624A (zh) * 2018-06-19 2019-12-27 恩智浦有限公司 窄带接收信号强度指示器***

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104617904A (zh) * 2015-02-05 2015-05-13 东南大学 一种基于数字rssi检测的自动增益控制电路及其控制方法
CN106791129A (zh) * 2016-12-28 2017-05-31 上海与德信息技术有限公司 一种移动信号提示方法及装置
CN108736895A (zh) * 2017-04-20 2018-11-02 杭州晶华微电子有限公司 一种快速响应的Sigma-Delta模数转换器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012244A (en) * 1989-10-27 1991-04-30 Crystal Semiconductor Corporation Delta-sigma modulator with oscillation detect and reset circuit
NL9100379A (nl) * 1991-03-01 1992-10-01 Philips Nv Sigma-deltamodulator.
CA2378981A1 (en) * 1999-08-09 2001-02-15 Atmel Corporation Hybrid bandpass and baseband delta-sigma modulator
US6459397B1 (en) 2000-09-29 2002-10-01 National Semiconductor Corporation Saturation compensating analog to digital converter
JP3813125B2 (ja) * 2001-02-08 2006-08-23 アナログ デバイスズ インコーポレイテッド 可変フルスケールを有するマルチビット・シグマデルタ・アナログ・ディジタル変換器
JP3700933B2 (ja) * 2001-07-27 2005-09-28 松下電器産業株式会社 受信機および通信端末

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110620624A (zh) * 2018-06-19 2019-12-27 恩智浦有限公司 窄带接收信号强度指示器***
CN110620624B (zh) * 2018-06-19 2022-08-05 恩智浦有限公司 窄带接收信号强度指示器***

Also Published As

Publication number Publication date
CN101044683A (zh) 2007-09-26
EP1805896A1 (en) 2007-07-11
WO2006043206A1 (en) 2006-04-27
CN101044683B (zh) 2011-01-12

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