JPS5384669A - Carrier regenerative circuit for multilevel carrier demodulation - Google Patents

Carrier regenerative circuit for multilevel carrier demodulation

Info

Publication number
JPS5384669A
JPS5384669A JP16072576A JP16072576A JPS5384669A JP S5384669 A JPS5384669 A JP S5384669A JP 16072576 A JP16072576 A JP 16072576A JP 16072576 A JP16072576 A JP 16072576A JP S5384669 A JPS5384669 A JP S5384669A
Authority
JP
Japan
Prior art keywords
carrier
regenerative circuit
multilevel
demodulation
circuit
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
JP16072576A
Other languages
Japanese (ja)
Other versions
JPS5525553B2 (en
Inventor
Tadao Shimamura
Makoto Washio
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
NTT Inc
Original Assignee
NEC Corp
Nippon Telegraph and Telephone 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 Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP16072576A priority Critical patent/JPS5384669A/en
Publication of JPS5384669A publication Critical patent/JPS5384669A/en
Publication of JPS5525553B2 publication Critical patent/JPS5525553B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To obtain reference carriers containing a few jitters by adding a threshold level circuit which outputs the nearest quantization level corresponding to a plural number of signal levels when a phase comparison signal has a normal error of 0 to a carrier regenerative circuit composing s refernce carrier.
COPYRIGHT: (C)1978,JPO&Japio
JP16072576A 1976-12-29 1976-12-29 Carrier regenerative circuit for multilevel carrier demodulation Granted JPS5384669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16072576A JPS5384669A (en) 1976-12-29 1976-12-29 Carrier regenerative circuit for multilevel carrier demodulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16072576A JPS5384669A (en) 1976-12-29 1976-12-29 Carrier regenerative circuit for multilevel carrier demodulation

Publications (2)

Publication Number Publication Date
JPS5384669A true JPS5384669A (en) 1978-07-26
JPS5525553B2 JPS5525553B2 (en) 1980-07-07

Family

ID=15721105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16072576A Granted JPS5384669A (en) 1976-12-29 1976-12-29 Carrier regenerative circuit for multilevel carrier demodulation

Country Status (1)

Country Link
JP (1) JPS5384669A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5398769A (en) * 1977-02-10 1978-08-29 Nippon Telegr & Teleph Corp <Ntt> Carrier reproducing circuit for multiplex carrier digital signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5398769A (en) * 1977-02-10 1978-08-29 Nippon Telegr & Teleph Corp <Ntt> Carrier reproducing circuit for multiplex carrier digital signal

Also Published As

Publication number Publication date
JPS5525553B2 (en) 1980-07-07

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