IT8019515A0 - FM RECEIVER. - Google Patents

FM RECEIVER.

Info

Publication number
IT8019515A0
IT8019515A0 IT8019515A IT1951580A IT8019515A0 IT 8019515 A0 IT8019515 A0 IT 8019515A0 IT 8019515 A IT8019515 A IT 8019515A IT 1951580 A IT1951580 A IT 1951580A IT 8019515 A0 IT8019515 A0 IT 8019515A0
Authority
IT
Italy
Prior art keywords
receiver
Prior art date
Application number
IT8019515A
Other languages
Italian (it)
Other versions
IT1149803B (en
Inventor
Ienaka Masanori
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of IT8019515A0 publication Critical patent/IT8019515A0/en
Application granted granted Critical
Publication of IT1149803B publication Critical patent/IT1149803B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • H04H40/72—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving for noise suppression
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • 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
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
    • H04B1/1669—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal
    • H04B1/1676—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal of the sum or difference signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Stereo-Broadcasting Methods (AREA)
IT19515/80A 1979-01-29 1980-01-28 FM RECEIVER IT1149803B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP823779A JPS55100763A (en) 1979-01-29 1979-01-29 Fm multiplex demodulator circuit

Publications (2)

Publication Number Publication Date
IT8019515A0 true IT8019515A0 (en) 1980-01-28
IT1149803B IT1149803B (en) 1986-12-10

Family

ID=11687534

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19515/80A IT1149803B (en) 1979-01-29 1980-01-28 FM RECEIVER

Country Status (4)

Country Link
JP (1) JPS55100763A (en)
DE (1) DE2950485A1 (en)
GB (1) GB2040145A (en)
IT (1) IT1149803B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646346A (en) * 1979-09-21 1981-04-27 Hitachi Ltd Control system for fm stereo demodulation
KR960008328B1 (en) * 1987-02-20 1996-06-24 상요덴기 가부시기가이샤 Fm/fmx stereophonic receiver

Also Published As

Publication number Publication date
JPS55100763A (en) 1980-07-31
DE2950485A1 (en) 1980-08-07
IT1149803B (en) 1986-12-10
GB2040145A (en) 1980-08-20

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