JPS5287909A - Carrier wave sending system - Google Patents

Carrier wave sending system

Info

Publication number
JPS5287909A
JPS5287909A JP412676A JP412676A JPS5287909A JP S5287909 A JPS5287909 A JP S5287909A JP 412676 A JP412676 A JP 412676A JP 412676 A JP412676 A JP 412676A JP S5287909 A JPS5287909 A JP S5287909A
Authority
JP
Japan
Prior art keywords
carrier wave
sending system
wave sending
economization
pam
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
JP412676A
Other languages
Japanese (ja)
Inventor
Kozo Kamata
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.)
Hitachi Ltd
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
Priority to JP412676A priority Critical patent/JPS5287909A/en
Publication of JPS5287909A publication Critical patent/JPS5287909A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/023—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse amplitude modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)

Abstract

PURPOSE:To realize IC formation, compact size and economization of the unit through PAM multi-value transmission by use of the most significant bit of D/A converter input for sending carrier wave.
JP412676A 1976-01-19 1976-01-19 Carrier wave sending system Pending JPS5287909A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP412676A JPS5287909A (en) 1976-01-19 1976-01-19 Carrier wave sending system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP412676A JPS5287909A (en) 1976-01-19 1976-01-19 Carrier wave sending system

Publications (1)

Publication Number Publication Date
JPS5287909A true JPS5287909A (en) 1977-07-22

Family

ID=11576082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP412676A Pending JPS5287909A (en) 1976-01-19 1976-01-19 Carrier wave sending system

Country Status (1)

Country Link
JP (1) JPS5287909A (en)

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