FR2516725B1 - Recepteur pour modulation de frequence, muni d'un discriminateur de rapport a diodes en silicium - Google Patents

Recepteur pour modulation de frequence, muni d'un discriminateur de rapport a diodes en silicium

Info

Publication number
FR2516725B1
FR2516725B1 FR8218922A FR8218922A FR2516725B1 FR 2516725 B1 FR2516725 B1 FR 2516725B1 FR 8218922 A FR8218922 A FR 8218922A FR 8218922 A FR8218922 A FR 8218922A FR 2516725 B1 FR2516725 B1 FR 2516725B1
Authority
FR
France
Prior art keywords
discriminator
report
receiver
frequency modulation
silicon diodes
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
Application number
FR8218922A
Other languages
English (en)
Other versions
FR2516725A1 (fr
Inventor
Arnoldus Garskamp
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
Philips Gloeilampenfabrieken 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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2516725A1 publication Critical patent/FR2516725A1/fr
Application granted granted Critical
Publication of FR2516725B1 publication Critical patent/FR2516725B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • 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
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/08—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of diodes, e.g. Foster-Seeley discriminator
    • H03D3/10—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of diodes, e.g. Foster-Seeley discriminator in which the diodes are simultaneously conducting during the same half period of the signal, e.g. radio detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
FR8218922A 1981-11-13 1982-11-10 Recepteur pour modulation de frequence, muni d'un discriminateur de rapport a diodes en silicium Expired FR2516725B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8105147A NL8105147A (nl) 1981-11-13 1981-11-13 Fm-ontvanger voorzien van een ratiodetektor met siliciumdiodes.

Publications (2)

Publication Number Publication Date
FR2516725A1 FR2516725A1 (fr) 1983-05-20
FR2516725B1 true FR2516725B1 (fr) 1986-02-28

Family

ID=19838367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8218922A Expired FR2516725B1 (fr) 1981-11-13 1982-11-10 Recepteur pour modulation de frequence, muni d'un discriminateur de rapport a diodes en silicium

Country Status (11)

Country Link
US (1) US4499605A (fr)
JP (1) JPS5888906A (fr)
KR (1) KR840002778A (fr)
BR (1) BR8206522A (fr)
DE (1) DE3240854C2 (fr)
ES (1) ES517268A0 (fr)
FR (1) FR2516725B1 (fr)
GB (1) GB2110021B (fr)
HK (1) HK28286A (fr)
IT (1) IT1154543B (fr)
NL (1) NL8105147A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5214708A (en) * 1991-12-16 1993-05-25 Mceachern Robert H Speech information extractor
JP3473511B2 (ja) * 1999-07-22 2003-12-08 三菱電機株式会社 マルチパスノイズ除去装置、オーディオ出力装置およびｆｍ受信機

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501077A (en) * 1947-12-26 1950-03-21 Rca Corp Ratio detector circuit
FR1600318A (fr) * 1968-01-24 1970-07-20
DE1766326A1 (de) * 1968-05-04 1971-07-01 Itt Ind Gmbh Deutsche Schaltungsanordnung nach Art eines Radiodetektors
US3633134A (en) * 1969-10-10 1972-01-04 Motorola Inc Crystal band pass filter circuit
JPS5439161Y2 (fr) * 1975-06-23 1979-11-20
JPS5335413A (en) * 1976-09-14 1978-04-01 Mitsubishi Electric Corp Noise limiter circuit for fm receivers

Also Published As

Publication number Publication date
ES8308175A1 (es) 1983-08-01
HK28286A (en) 1986-04-25
IT1154543B (it) 1987-01-21
BR8206522A (pt) 1983-09-27
NL8105147A (nl) 1983-06-01
ES517268A0 (es) 1983-08-01
DE3240854C2 (de) 1986-08-28
GB2110021B (en) 1985-11-06
US4499605A (en) 1985-02-12
DE3240854A1 (de) 1983-05-26
JPS5888906A (ja) 1983-05-27
IT8224149A0 (it) 1982-11-10
GB2110021A (en) 1983-06-08
KR840002778A (ko) 1984-07-16
FR2516725A1 (fr) 1983-05-20

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Legal Events

Date Code Title Description
ST Notification of lapse