JPS5910059A - 自動周波数制御方式 - Google Patents

自動周波数制御方式

Info

Publication number
JPS5910059A
JPS5910059A JP57117990A JP11799082A JPS5910059A JP S5910059 A JPS5910059 A JP S5910059A JP 57117990 A JP57117990 A JP 57117990A JP 11799082 A JP11799082 A JP 11799082A JP S5910059 A JPS5910059 A JP S5910059A
Authority
JP
Japan
Prior art keywords
frequency
signal
output
integrator
voltage
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
JP57117990A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0588024B2 (ko
Inventor
Tokihiro Mishiro
御代 時博
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP57117990A priority Critical patent/JPS5910059A/ja
Priority to US06/510,182 priority patent/US4651104A/en
Priority to DE8383303972T priority patent/DE3380682D1/de
Priority to EP83303972A priority patent/EP0099702B1/en
Publication of JPS5910059A publication Critical patent/JPS5910059A/ja
Publication of JPH0588024B2 publication Critical patent/JPH0588024B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/233Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/14Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0024Carrier regulation at the receiver end
    • H04L2027/0026Correction of carrier offset
    • H04L2027/0028Correction of carrier offset at passband only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0053Closed loops
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0053Closed loops
    • H04L2027/0055Closed loops single phase
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0071Control of loops
    • H04L2027/0079Switching between loops
    • H04L2027/0081Switching between loops between loops of different bandwidths

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP57117990A 1982-07-07 1982-07-07 自動周波数制御方式 Granted JPS5910059A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57117990A JPS5910059A (ja) 1982-07-07 1982-07-07 自動周波数制御方式
US06/510,182 US4651104A (en) 1982-07-07 1983-07-01 Frequency converter with automatic frequency control
DE8383303972T DE3380682D1 (en) 1982-07-07 1983-07-07 A frequency converter
EP83303972A EP0099702B1 (en) 1982-07-07 1983-07-07 A frequency converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57117990A JPS5910059A (ja) 1982-07-07 1982-07-07 自動周波数制御方式

Publications (2)

Publication Number Publication Date
JPS5910059A true JPS5910059A (ja) 1984-01-19
JPH0588024B2 JPH0588024B2 (ko) 1993-12-20

Family

ID=14725292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57117990A Granted JPS5910059A (ja) 1982-07-07 1982-07-07 自動周波数制御方式

Country Status (1)

Country Link
JP (1) JPS5910059A (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6130849A (ja) * 1984-07-24 1986-02-13 Victor Co Of Japan Ltd 時分割多重信号中の4相dpsk波の復調回路
US8352011B2 (en) 2004-09-08 2013-01-08 Medtronic Minimed, Inc. Blood contacting sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6130849A (ja) * 1984-07-24 1986-02-13 Victor Co Of Japan Ltd 時分割多重信号中の4相dpsk波の復調回路
US8352011B2 (en) 2004-09-08 2013-01-08 Medtronic Minimed, Inc. Blood contacting sensor

Also Published As

Publication number Publication date
JPH0588024B2 (ko) 1993-12-20

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