JPH0519349B2 - - Google Patents

Info

Publication number
JPH0519349B2
JPH0519349B2 JP58134119A JP13411983A JPH0519349B2 JP H0519349 B2 JPH0519349 B2 JP H0519349B2 JP 58134119 A JP58134119 A JP 58134119A JP 13411983 A JP13411983 A JP 13411983A JP H0519349 B2 JPH0519349 B2 JP H0519349B2
Authority
JP
Japan
Prior art keywords
output
circuit
signal
inverting
full
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.)
Expired - Lifetime
Application number
JP58134119A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6025356A (ja
Inventor
Yasutsune Yoshida
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP58134119A priority Critical patent/JPS6025356A/ja
Priority to EP84108699A priority patent/EP0135057B1/en
Priority to US06/633,315 priority patent/US4553102A/en
Priority to AU30948/84A priority patent/AU559584B2/en
Priority to DE8484108699T priority patent/DE3467485D1/de
Priority to CA000459445A priority patent/CA1224542A/en
Publication of JPS6025356A publication Critical patent/JPS6025356A/ja
Publication of JPH0519349B2 publication Critical patent/JPH0519349B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3809—Amplitude regulation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
JP58134119A 1983-07-22 1983-07-22 復調装置 Granted JPS6025356A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP58134119A JPS6025356A (ja) 1983-07-22 1983-07-22 復調装置
EP84108699A EP0135057B1 (en) 1983-07-22 1984-07-23 Demodulator for multilevel amplitude modulation system
US06/633,315 US4553102A (en) 1983-07-22 1984-07-23 Multilevel amplitude modulation demodulator with DC drift compensation
AU30948/84A AU559584B2 (en) 1983-07-22 1984-07-23 Demodulator for multilevel amplitude modulation system
DE8484108699T DE3467485D1 (en) 1983-07-22 1984-07-23 Demodulator for multilevel amplitude modulation system
CA000459445A CA1224542A (en) 1983-07-22 1984-07-23 Demodulator for multilevel amplitude modulation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58134119A JPS6025356A (ja) 1983-07-22 1983-07-22 復調装置

Publications (2)

Publication Number Publication Date
JPS6025356A JPS6025356A (ja) 1985-02-08
JPH0519349B2 true JPH0519349B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-03-16

Family

ID=15120901

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58134119A Granted JPS6025356A (ja) 1983-07-22 1983-07-22 復調装置

Country Status (1)

Country Link
JP (1) JPS6025356A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0775355B2 (ja) * 1985-05-29 1995-08-09 日本電信電話株式会社 直流ドリフト補償回路
JP2582754Y2 (ja) * 1992-11-24 1998-10-08 村田機械株式会社 トラバースシュー
AU2004240146A1 (en) * 2003-12-17 2005-07-07 Nec Australia Pty Ltd Demodulation of a multi-level quadrature amplitude modulation signal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120351A (ja) * 1982-01-13 1983-07-18 Fujitsu Ltd 直流ずれ補償方式

Also Published As

Publication number Publication date
JPS6025356A (ja) 1985-02-08

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