DE69414053D1 - Schaltung zur Frequenzdemodulation - Google Patents

Schaltung zur Frequenzdemodulation

Info

Publication number
DE69414053D1
DE69414053D1 DE69414053T DE69414053T DE69414053D1 DE 69414053 D1 DE69414053 D1 DE 69414053D1 DE 69414053 T DE69414053 T DE 69414053T DE 69414053 T DE69414053 T DE 69414053T DE 69414053 D1 DE69414053 D1 DE 69414053D1
Authority
DE
Germany
Prior art keywords
circuit
frequency demodulation
demodulation
frequency
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
DE69414053T
Other languages
English (en)
Other versions
DE69414053T2 (de
Inventor
Atsushi Hirabayashi
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 Corp
Original Assignee
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 Corp filed Critical Sony Corp
Publication of DE69414053D1 publication Critical patent/DE69414053D1/de
Application granted granted Critical
Publication of DE69414053T2 publication Critical patent/DE69414053T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/06—Frequency or rate modulation, i.e. PFM or PRM
    • 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
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/22—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector
    • 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
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/005—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling a bandpass filter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0047—Offset of DC voltage or frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0082—Quadrature arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
DE69414053T 1993-08-10 1994-08-09 Schaltung zur Frequenzdemodulation Expired - Fee Related DE69414053T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5216923A JPH0758551A (ja) 1993-08-10 1993-08-10 周波数復調回路

Publications (2)

Publication Number Publication Date
DE69414053D1 true DE69414053D1 (de) 1998-11-26
DE69414053T2 DE69414053T2 (de) 1999-04-15

Family

ID=16696050

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69414053T Expired - Fee Related DE69414053T2 (de) 1993-08-10 1994-08-09 Schaltung zur Frequenzdemodulation

Country Status (7)

Country Link
US (1) US5450033A (de)
EP (1) EP0638992B1 (de)
JP (1) JPH0758551A (de)
KR (1) KR950007290A (de)
CN (1) CN1063891C (de)
DE (1) DE69414053T2 (de)
MY (1) MY111902A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7688887B2 (en) * 2003-09-02 2010-03-30 Gennum Corporation Precision adaptive equalizer
CN100345387C (zh) * 2004-02-09 2007-10-24 瑞昱半导体股份有限公司 校正同相信号与正交相信号的相位差的方法及装置
CN101051085B (zh) * 2007-04-27 2010-07-07 中国科学院上海光学精密机械研究所 相干激光测高频率解调电路
TWI554061B (zh) * 2015-03-06 2016-10-11 立積電子股份有限公司 數位調頻接收器及其解調方法
US11405042B2 (en) * 2019-12-31 2022-08-02 Texas Instruments Incorporated Transceiver carrier frequency tuning
TWI756730B (zh) * 2020-07-03 2022-03-01 立積電子股份有限公司 調頻解調變裝置及調頻解調變裝置的控制方法
KR102632074B1 (ko) 2021-03-16 2024-02-02 한국전자통신연구원 부궤환 루프 구조의 위상 복조기
CN113114174B (zh) * 2021-05-21 2023-09-26 常州大学 一种宽频正交信号发生器及信号发生方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5222867A (en) * 1975-08-15 1977-02-21 Victor Co Of Japan Ltd Demodulation system for angle modulated wave signal
GB2001217B (en) * 1977-07-15 1982-01-27 Victor Company Of Japan Phase tracked loop frequency demodulator
US4388595A (en) * 1981-03-26 1983-06-14 Bell Telephone Laboratories, Incorporated Apparatus and method for removing bias distortion from a product demodulator
US4451792A (en) * 1981-10-23 1984-05-29 Motorola, Inc. Auto-tuned frequency discriminator
FR2659508A1 (fr) * 1990-03-09 1991-09-13 Portenseigne Radiotechnique Demodulateur de frequences a abaissement de seuil.
JPH0779363B2 (ja) * 1990-06-29 1995-08-23 三菱電機株式会社 遅延検波回路
FR2666182B1 (fr) * 1990-08-27 1992-10-16 Alcatel Telspace Demodulateur hyperfrequence pour liaisons hertziennes numeriques utilisant une modulation de type maq.
JP3060521B2 (ja) * 1990-10-25 2000-07-10 日本電気株式会社 復調回路
DE4034050A1 (de) * 1990-10-26 1992-04-30 Philips Patentverwaltung Fm-demodulator
TW214027B (en) * 1992-06-12 1993-10-01 Philips Electronics Nv FM quadrature demodulator
US8502323B2 (en) * 2007-08-03 2013-08-06 The Hong Kong University Of Science And Technology Reliable normally-off III-nitride active device structures, and related methods and systems

Also Published As

Publication number Publication date
KR950007290A (ko) 1995-03-21
JPH0758551A (ja) 1995-03-03
EP0638992A1 (de) 1995-02-15
MY111902A (en) 2001-02-28
DE69414053T2 (de) 1999-04-15
CN1101180A (zh) 1995-04-05
US5450033A (en) 1995-09-12
EP0638992B1 (de) 1998-10-21
CN1063891C (zh) 2001-03-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee