JPS5436164A - Digital frequency modulator - Google Patents

Digital frequency modulator

Info

Publication number
JPS5436164A
JPS5436164A JP10175477A JP10175477A JPS5436164A JP S5436164 A JPS5436164 A JP S5436164A JP 10175477 A JP10175477 A JP 10175477A JP 10175477 A JP10175477 A JP 10175477A JP S5436164 A JPS5436164 A JP S5436164A
Authority
JP
Japan
Prior art keywords
frequency modulator
digital frequency
suppress
introducing
overcome
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
JP10175477A
Other languages
Japanese (ja)
Other versions
JPS5828983B2 (en
Inventor
Mitsuru Ishizuka
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP10175477A priority Critical patent/JPS5828983B2/en
Publication of JPS5436164A publication Critical patent/JPS5436164A/en
Publication of JPS5828983B2 publication Critical patent/JPS5828983B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

PURPOSE: To overcome the modulation index not accurate and to suppress the side band of modulation wave spectrum, by using the analog frequency modulator and by introducing the feedback control loop to the frequency modulator.
COPYRIGHT: (C)1979,JPO&Japio
JP10175477A 1977-08-26 1977-08-26 digital frequency modulator Expired JPS5828983B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10175477A JPS5828983B2 (en) 1977-08-26 1977-08-26 digital frequency modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10175477A JPS5828983B2 (en) 1977-08-26 1977-08-26 digital frequency modulator

Publications (2)

Publication Number Publication Date
JPS5436164A true JPS5436164A (en) 1979-03-16
JPS5828983B2 JPS5828983B2 (en) 1983-06-20

Family

ID=14309013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10175477A Expired JPS5828983B2 (en) 1977-08-26 1977-08-26 digital frequency modulator

Country Status (1)

Country Link
JP (1) JPS5828983B2 (en)

Also Published As

Publication number Publication date
JPS5828983B2 (en) 1983-06-20

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