JPS54121613A - Demodulator for fm modulation secondary signal - Google Patents

Demodulator for fm modulation secondary signal

Info

Publication number
JPS54121613A
JPS54121613A JP2959978A JP2959978A JPS54121613A JP S54121613 A JPS54121613 A JP S54121613A JP 2959978 A JP2959978 A JP 2959978A JP 2959978 A JP2959978 A JP 2959978A JP S54121613 A JPS54121613 A JP S54121613A
Authority
JP
Japan
Prior art keywords
circuit
signal
component
output
wave
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.)
Pending
Application number
JP2959978A
Other languages
English (en)
Inventor
Saburo Niina
Yoichi Tan
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2959978A priority Critical patent/JPS54121613A/ja
Priority to US06/020,588 priority patent/US4250456A/en
Publication of JPS54121613A publication Critical patent/JPS54121613A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J9/00—Multiplex systems in which each channel is represented by a different type of modulation of the carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP2959978A 1978-03-14 1978-03-14 Demodulator for fm modulation secondary signal Pending JPS54121613A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2959978A JPS54121613A (en) 1978-03-14 1978-03-14 Demodulator for fm modulation secondary signal
US06/020,588 US4250456A (en) 1978-03-14 1979-03-14 Device for demodulating PSK-FM double modulated carrier signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2959978A JPS54121613A (en) 1978-03-14 1978-03-14 Demodulator for fm modulation secondary signal

Publications (1)

Publication Number Publication Date
JPS54121613A true JPS54121613A (en) 1979-09-20

Family

ID=12280531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2959978A Pending JPS54121613A (en) 1978-03-14 1978-03-14 Demodulator for fm modulation secondary signal

Country Status (2)

Country Link
US (1) US4250456A (ja)
JP (1) JPS54121613A (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8402352A (nl) * 1984-07-26 1986-02-17 Philips Nv Inrichting voor het terugwinnen van een kloksignaal uit een hoekgemoduleerd draaggolfsignaal met een modulatie-index m = 0,5.
DE3528046A1 (de) * 1985-08-05 1987-02-05 Bbc Brown Boveri & Cie Rundsteuerempfaenger
JP2994836B2 (ja) * 1992-01-30 1999-12-27 富士通株式会社 復調器のａｆｃ回路
US7272368B2 (en) * 2001-10-06 2007-09-18 Patrick Owen Devaney System and method for reduced deviation time domain FM/PM discriminator to achieve a reduced bandwidth frequency or phase modulation communications channels
US6917787B2 (en) * 2001-10-06 2005-07-12 Devaney, Ii Patrick Owen System and method for superheterodyne frequency multiplication signal expansion to achieve a reduced bandwidth frequency or phase modulation communication channel
US20100014615A1 (en) * 2008-06-06 2010-01-21 Piesinger Gregory H Systems and methods for demodulating multiply-modulated communications signals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1257308A (ja) * 1968-04-17 1971-12-15
JPS4861063A (ja) * 1971-12-01 1973-08-27
JPS5928101B2 (ja) * 1975-10-07 1984-07-10 日本電気株式会社 位相同期回路

Also Published As

Publication number Publication date
US4250456A (en) 1981-02-10

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