AU569199B2 - Carrier recovery from a qam signal - Google Patents

Carrier recovery from a qam signal

Info

Publication number
AU569199B2
AU569199B2 AU64365/86A AU6436586A AU569199B2 AU 569199 B2 AU569199 B2 AU 569199B2 AU 64365/86 A AU64365/86 A AU 64365/86A AU 6436586 A AU6436586 A AU 6436586A AU 569199 B2 AU569199 B2 AU 569199B2
Authority
AU
Australia
Prior art keywords
carrier recovery
qam signal
qam
signal
recovery
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.)
Ceased
Application number
AU64365/86A
Other languages
English (en)
Other versions
AU6436586A (en
Inventor
Klaus Boshold
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of AU6436586A publication Critical patent/AU6436586A/en
Application granted granted Critical
Publication of AU569199B2 publication Critical patent/AU569199B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/3818—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AU64365/86A 1985-10-25 1986-10-24 Carrier recovery from a qam signal Ceased AU569199B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3538032 1985-10-25
DE3538032 1985-10-25

Publications (2)

Publication Number Publication Date
AU6436586A AU6436586A (en) 1987-05-28
AU569199B2 true AU569199B2 (en) 1988-01-21

Family

ID=6284471

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64365/86A Ceased AU569199B2 (en) 1985-10-25 1986-10-24 Carrier recovery from a qam signal

Country Status (9)

Country Link
EP (1) EP0219863B1 (enrdf_load_stackoverflow)
JP (1) JPS62102648A (enrdf_load_stackoverflow)
AR (1) AR241213A1 (enrdf_load_stackoverflow)
AT (1) ATE71481T1 (enrdf_load_stackoverflow)
AU (1) AU569199B2 (enrdf_load_stackoverflow)
BR (1) BR8605201A (enrdf_load_stackoverflow)
DE (1) DE3683346D1 (enrdf_load_stackoverflow)
FI (1) FI85927C (enrdf_load_stackoverflow)
MX (1) MX161448A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU588479B2 (en) * 1986-08-28 1989-09-14 Siemens Aktiengesellschaft A capture circuit for restoring the carrier from a qam-signal

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0810879B2 (ja) * 1986-02-20 1996-01-31 富士通株式会社 復調装置
JPH0626353B2 (ja) * 1987-05-19 1994-04-06 日本電気株式会社 復調装置
EP0315488B1 (en) * 1987-11-06 1993-05-19 Victor Company Of Japan, Limited Thermal imprint recording apparatus
JPH04105974A (ja) * 1990-08-24 1992-04-07 Sony Corp 記録装置
DE4216156C1 (enrdf_load_stackoverflow) * 1992-05-15 1993-08-19 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
JPH0721444U (ja) * 1993-09-29 1995-04-18 株式会社芋谷工業 自動車の座席シ−ト用テ−ブル付き収納ケ−ス
GB2303278B (en) * 1995-07-11 2000-04-26 Remo Giovanni Andrea Marzolini Improvements to demodulation systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6186680A (en) * 1980-08-29 1981-03-19 Plessey Overseas Ltd. Zero-crossing threshold comparator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58221548A (ja) * 1982-06-18 1983-12-23 Fujitsu Ltd 位相同期回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6186680A (en) * 1980-08-29 1981-03-19 Plessey Overseas Ltd. Zero-crossing threshold comparator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU588479B2 (en) * 1986-08-28 1989-09-14 Siemens Aktiengesellschaft A capture circuit for restoring the carrier from a qam-signal

Also Published As

Publication number Publication date
FI864317A0 (fi) 1986-10-24
FI864317A7 (fi) 1987-04-26
FI85927C (fi) 1992-06-10
EP0219863A2 (de) 1987-04-29
DE3683346D1 (de) 1992-02-20
EP0219863A3 (en) 1989-03-01
AU6436586A (en) 1987-05-28
JPS62102648A (ja) 1987-05-13
BR8605201A (pt) 1987-07-28
EP0219863B1 (de) 1992-01-08
ATE71481T1 (de) 1992-01-15
MX161448A (es) 1990-09-27
AR241213A1 (es) 1992-01-31
FI85927B (fi) 1992-02-28
JPH0225309B2 (enrdf_load_stackoverflow) 1990-06-01

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