IT1083809B - Circuito di ricupero di onda portante - Google Patents

Circuito di ricupero di onda portante

Info

Publication number
IT1083809B
IT1083809B IT24447/77A IT2444777A IT1083809B IT 1083809 B IT1083809 B IT 1083809B IT 24447/77 A IT24447/77 A IT 24447/77A IT 2444777 A IT2444777 A IT 2444777A IT 1083809 B IT1083809 B IT 1083809B
Authority
IT
Italy
Prior art keywords
recovery circuit
wave recovery
bearing wave
bearing
circuit
Prior art date
Application number
IT24447/77A
Other languages
English (en)
Original Assignee
Nippon Electric Co
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 filed Critical Nippon Electric Co
Application granted granted Critical
Publication of IT1083809B publication Critical patent/IT1083809B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking
IT24447/77A 1976-06-08 1977-06-07 Circuito di ricupero di onda portante IT1083809B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6732976A JPS52149951A (en) 1976-06-08 1976-06-08 Carrier regeneration circuit

Publications (1)

Publication Number Publication Date
IT1083809B true IT1083809B (it) 1985-05-25

Family

ID=13341864

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24447/77A IT1083809B (it) 1976-06-08 1977-06-07 Circuito di ricupero di onda portante

Country Status (4)

Country Link
US (1) US4097813A (it)
JP (1) JPS52149951A (it)
CA (1) CA1083678A (it)
IT (1) IT1083809B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180779A (en) * 1978-09-21 1979-12-25 The United States Of America As Represented By The Secretary Of The Air Force QPSK Demodulator with two-step quadrupler and/or time-multiplexing quadrupling
US4338579A (en) * 1980-07-30 1982-07-06 Communications Satelite Corp. Frequency shift offset quadrature modulation and demodulation
JP4607391B2 (ja) * 2001-08-29 2011-01-05 株式会社日立国際電気 搬送波抽出回路
WO2009113015A2 (en) * 2008-03-10 2009-09-17 Nxp B.V. Data processing system
JP6550006B2 (ja) * 2016-03-28 2019-07-24 株式会社ジャパンディスプレイ タッチ検出機能付き表示装置及び制御方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638125A (en) * 1969-11-26 1972-01-25 Bell Telephone Labor Inc Apparatus and method for the synchronous detection of a differentially phase modulated signal

Also Published As

Publication number Publication date
JPS562466B2 (it) 1981-01-20
CA1083678A (en) 1980-08-12
US4097813A (en) 1978-06-27
JPS52149951A (en) 1977-12-13

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960626