DE69924978D1 - Ein Dreitor-Koppler verwendender Abwärtsumsetzer und Demodulator - Google Patents

Ein Dreitor-Koppler verwendender Abwärtsumsetzer und Demodulator

Info

Publication number
DE69924978D1
DE69924978D1 DE69924978T DE69924978T DE69924978D1 DE 69924978 D1 DE69924978 D1 DE 69924978D1 DE 69924978 T DE69924978 T DE 69924978T DE 69924978 T DE69924978 T DE 69924978T DE 69924978 D1 DE69924978 D1 DE 69924978D1
Authority
DE
Germany
Prior art keywords
demodulator
converter
port coupler
coupler
port
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
Application number
DE69924978T
Other languages
English (en)
Other versions
DE69924978T2 (de
Inventor
Veselin Dr-Ing Brankovic
Dragan Dr-Ing Krupezevic
Masayoshi Abe
Tino Konschak
Thomas Doelle
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.)
Sony Deutschland GmbH
Sony Corp
Original Assignee
Sony International Europe GmbH
Sony Corp
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 Sony International Europe GmbH, Sony Corp filed Critical Sony International Europe GmbH
Application granted granted Critical
Publication of DE69924978D1 publication Critical patent/DE69924978D1/de
Publication of DE69924978T2 publication Critical patent/DE69924978T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/02—Demodulation using distributed inductance and capacitance, e.g. in feeder lines
    • H03D9/04—Demodulation using distributed inductance and capacitance, e.g. in feeder lines for angle-modulated oscillations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
DE69924978T 1999-05-27 1999-05-27 Abwärtswandler und Demodulator mit einer Drei-Port-Schaltungsanordnung Expired - Lifetime DE69924978T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99110296A EP1056193B1 (de) 1999-05-27 1999-05-27 Ein Dreitor-Koppler verwendender Abwärtsumsetzer und Demodulator

Publications (2)

Publication Number Publication Date
DE69924978D1 true DE69924978D1 (de) 2005-06-02
DE69924978T2 DE69924978T2 (de) 2006-02-02

Family

ID=8238250

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69924978T Expired - Lifetime DE69924978T2 (de) 1999-05-27 1999-05-27 Abwärtswandler und Demodulator mit einer Drei-Port-Schaltungsanordnung

Country Status (6)

Country Link
US (1) US6539215B1 (de)
EP (1) EP1056193B1 (de)
JP (1) JP4597315B2 (de)
CN (1) CN1159839C (de)
CA (1) CA2306072A1 (de)
DE (1) DE69924978T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1705852B1 (de) 1999-01-08 2010-02-10 Sony Deutschland Gmbh Synchronisierungssymbolstruktur für ein OFDM-System
US6600913B1 (en) * 2000-10-27 2003-07-29 Sony International (Europe) Gmbh Two-port demodulation device
US20050111587A1 (en) * 2001-11-30 2005-05-26 Masayoshi Abe Demodulator and receiver using same
KR101083531B1 (ko) 2009-09-01 2011-11-18 에스케이 텔레콤주식회사 송수신 신호 분리를 위한 결합장치 및 제어방법
DE102016119562B3 (de) * 2016-10-13 2018-02-15 Friedrich-Alexander-Universität Erlangen-Nürnberg Elektrisches Messsystem zur Frequenzmessung und Erkennung von Störsignalen und Betriebsverfahren hierfür
TWI696344B (zh) * 2018-11-16 2020-06-11 財團法人工業技術研究院 線性度改善系統及線性度改善方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3955158A (en) * 1974-02-27 1976-05-04 Rca Corporation Microwave delay line
GB2219899A (en) * 1988-06-17 1989-12-20 Philips Electronic Associated A zero if receiver
US5878089A (en) * 1997-02-21 1999-03-02 Usa Digital Radio Partners, L.P. Coherent signal detector for AM-compatible digital audio broadcast waveform recovery
GB2326038A (en) * 1997-06-06 1998-12-09 Nokia Mobile Phones Ltd Signal level balancing in quadrature receiver
CA2239681C (en) * 1997-06-10 2007-08-21 Xinping Huang In-phase and quadrature signal regeneration
US6240100B1 (en) * 1997-07-31 2001-05-29 Motorola, Inc. Cellular TDMA base station receiver with dynamic DC offset correction

Also Published As

Publication number Publication date
DE69924978T2 (de) 2006-02-02
EP1056193A1 (de) 2000-11-29
US6539215B1 (en) 2003-03-25
JP4597315B2 (ja) 2010-12-15
CN1159839C (zh) 2004-07-28
JP2001016288A (ja) 2001-01-19
CA2306072A1 (en) 2000-11-27
EP1056193B1 (de) 2005-04-27
CN1275833A (zh) 2000-12-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition