FR2946821B1 - Demodulateur adaptatif - Google Patents

Demodulateur adaptatif

Info

Publication number
FR2946821B1
FR2946821B1 FR1002333A FR1002333A FR2946821B1 FR 2946821 B1 FR2946821 B1 FR 2946821B1 FR 1002333 A FR1002333 A FR 1002333A FR 1002333 A FR1002333 A FR 1002333A FR 2946821 B1 FR2946821 B1 FR 2946821B1
Authority
FR
France
Prior art keywords
adaptive demodulator
demodulator
adaptive
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 - Fee Related
Application number
FR1002333A
Other languages
English (en)
Other versions
FR2946821A1 (fr
Inventor
Richard Sbuell
Admir Alihodzic
Martin Joechlinger
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.)
Infineon Technologies AG
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Publication of FR2946821A1 publication Critical patent/FR2946821A1/fr
Application granted granted Critical
Publication of FR2946821B1 publication Critical patent/FR2946821B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/08—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements
    • H03D1/10—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements of diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
    • H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
FR1002333A 2009-06-10 2010-06-02 Demodulateur adaptatif Expired - Fee Related FR2946821B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/481,864 US8076970B2 (en) 2009-06-10 2009-06-10 Adaptive demodulator

Publications (2)

Publication Number Publication Date
FR2946821A1 FR2946821A1 (fr) 2010-12-17
FR2946821B1 true FR2946821B1 (fr) 2017-02-17

Family

ID=43244695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1002333A Expired - Fee Related FR2946821B1 (fr) 2009-06-10 2010-06-02 Demodulateur adaptatif

Country Status (3)

Country Link
US (1) US8076970B2 (fr)
DE (1) DE102010029799B4 (fr)
FR (1) FR2946821B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103595420B (zh) * 2012-08-13 2018-02-13 上海华虹集成电路有限责任公司 解码读卡器发送的type a信号的解码器
CN103714372B (zh) * 2012-09-29 2016-10-19 上海华虹宏力半导体制造有限公司 非接触ic卡的解调电路
US10664031B2 (en) * 2016-11-26 2020-05-26 Arm Limited Monitoring circuit and method
EP3572968B1 (fr) * 2018-05-22 2021-08-04 Nxp B.V. Unité de déclenchement d'horloge pour un transpondeur
EP3736994B1 (fr) 2019-05-09 2023-05-03 Nxp B.V. Détection précise de fin de pause-a pour communications en champ proche

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5629608A (en) * 1994-12-28 1997-05-13 Intel Corporation Power regulation system for controlling voltage excursions
FR2776865B1 (fr) * 1998-03-31 2000-05-05 Commissariat Energie Atomique Dispositif de teletransmission par couplage inductif
US6680655B2 (en) * 2001-08-01 2004-01-20 Sige Semiconductor Inc. Automatic gain control for a voltage controlled oscillator
US7405659B1 (en) * 2004-03-31 2008-07-29 Impinj, Inc. RFID tag switched capacitor slicer threshold
CN100583623C (zh) * 2004-07-13 2010-01-20 Nxp股份有限公司 用于调幅信号的解调器
US7156313B2 (en) * 2004-08-30 2007-01-02 Smart Displayer Technology Co., Ltd. IC card with display panel but without batteries
US20070026825A1 (en) * 2005-02-24 2007-02-01 Innovision Research & Technology Plc NFC device and apparatus
DE102007040854A1 (de) * 2007-08-29 2009-03-12 Texas Instruments Deutschland Gmbh Transponderdemodulator für einen niedrigen Antennenbegrenzerschwellwert

Also Published As

Publication number Publication date
DE102010029799A1 (de) 2011-02-03
FR2946821A1 (fr) 2010-12-17
US20100315160A1 (en) 2010-12-16
DE102010029799B4 (de) 2017-11-09
US8076970B2 (en) 2011-12-13

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