JPS5870606A - Ｆｍ信号のデジタル復調器 - Google Patents

Ｆｍ信号のデジタル復調器

Info

Publication number
JPS5870606A
JPS5870606A JP16519582A JP16519582A JPS5870606A JP S5870606 A JPS5870606 A JP S5870606A JP 16519582 A JP16519582 A JP 16519582A JP 16519582 A JP16519582 A JP 16519582A JP S5870606 A JPS5870606 A JP S5870606A
Authority
JP
Japan
Prior art keywords
signal
filter
demodulator
output
acyclic
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.)
Granted
Application number
JP16519582A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0427723B2 (de
Inventor
カ−ル−デイルク・カムメイヤ−
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of JPS5870606A publication Critical patent/JPS5870606A/ja
Publication of JPH0427723B2 publication Critical patent/JPH0427723B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B27/00—Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
    • 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
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0035—Digital multipliers and adders used for detection
    • 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
    • H03D2200/005—Analog to digital conversion
    • 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
    • H03D2200/006—Signal sampling
    • 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
    • H03D2200/008—Hilbert type transformation
    • 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
    • H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP16519582A 1981-09-26 1982-09-24 Ｆｍ信号のデジタル復調器 Granted JPS5870606A (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3138464.1 1981-09-26
DE19813138464 DE3138464A1 (de) 1981-09-26 1981-09-26 Verfahren zur digitalen demodulation frequenzmodulierter signale
DE3149318.1 1981-12-12
EP82105412.9 1982-06-21

Publications (2)

Publication Number Publication Date
JPS5870606A true JPS5870606A (ja) 1983-04-27
JPH0427723B2 JPH0427723B2 (de) 1992-05-12

Family

ID=6142762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16519582A Granted JPS5870606A (ja) 1981-09-26 1982-09-24 Ｆｍ信号のデジタル復調器

Country Status (2)

Country Link
JP (1) JPS5870606A (de)
DE (1) DE3138464A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61264902A (ja) * 1985-05-15 1986-11-22 ブラウプンクト−ヴエルケ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 周波数変調されたデジタル信号用復調器
JPS61288604A (ja) * 1985-06-12 1986-12-18 フィリップス　エレクトロニクス　ネムローゼ　フェンノートシャップ Ｓｓｂ信号復調方法及び復調器
JPS62502439A (ja) * 1985-04-04 1987-09-17 モトロ−ラ・インコ−ポレ−テッド ディジタルゼロｉｆ選択段
JPH04367130A (ja) * 1991-02-18 1992-12-18 Blaupunkt Werke Gmbh 中間周波信号のａ／ｄ変換回路装置付カーラジオ
JP2007124438A (ja) * 2005-10-31 2007-05-17 Kenwood Corp 無線通信機の中間周波回路および中間周波信号処理方法
JP2009206536A (ja) * 2008-01-30 2009-09-10 Daihen Corp 高周波検出装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547737A (en) * 1983-07-29 1985-10-15 Rca Corporation Demodulator of sampled data FM signals from sets of four successive samples
GB2173364B (en) * 1985-04-03 1988-10-05 Stc Plc Digital zero if circuit
WO1987001531A1 (en) * 1985-09-03 1987-03-12 Motorola, Inc. Digital radio frequency receiver
JPH01151307A (ja) * 1987-12-08 1989-06-14 Toshiba Corp デジタルｆｍ復調装置
US4910469A (en) * 1989-05-02 1990-03-20 Rca Licensing Corporation Demodulator for sampled data FM signals
FR2822606B1 (fr) * 2001-03-21 2003-08-08 St Microelectronics Sa Circuit multiplicateur de signaux sinusoidaux

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62502439A (ja) * 1985-04-04 1987-09-17 モトロ−ラ・インコ−ポレ−テッド ディジタルゼロｉｆ選択段
JPS61264902A (ja) * 1985-05-15 1986-11-22 ブラウプンクト−ヴエルケ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 周波数変調されたデジタル信号用復調器
JP2510992B2 (ja) * 1985-05-15 1996-06-26 ブラウプンクト−ヴエルケ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 周波数変調されたデジタル信号用復調器
JPS61288604A (ja) * 1985-06-12 1986-12-18 フィリップス　エレクトロニクス　ネムローゼ　フェンノートシャップ Ｓｓｂ信号復調方法及び復調器
JP2588510B2 (ja) * 1985-06-12 1997-03-05 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ Ｓｓｂ信号復調方法及び復調器
JPH04367130A (ja) * 1991-02-18 1992-12-18 Blaupunkt Werke Gmbh 中間周波信号のａ／ｄ変換回路装置付カーラジオ
JP2007124438A (ja) * 2005-10-31 2007-05-17 Kenwood Corp 無線通信機の中間周波回路および中間周波信号処理方法
JP2009206536A (ja) * 2008-01-30 2009-09-10 Daihen Corp 高周波検出装置

Also Published As

Publication number Publication date
DE3138464A1 (de) 1983-04-14
JPH0427723B2 (de) 1992-05-12

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