JPS5254312A - Frequency synchronization - Google Patents

Frequency synchronization

Info

Publication number
JPS5254312A
JPS5254312A JP50129804A JP12980475A JPS5254312A JP S5254312 A JPS5254312 A JP S5254312A JP 50129804 A JP50129804 A JP 50129804A JP 12980475 A JP12980475 A JP 12980475A JP S5254312 A JPS5254312 A JP S5254312A
Authority
JP
Japan
Prior art keywords
frequency synchronization
oxcillator
polot
pll
synchronizing
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
JP50129804A
Other languages
Japanese (ja)
Other versions
JPS5611247B2 (en
Inventor
Ryoichi Ogawa
Akira Asai
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP50129804A priority Critical patent/JPS5254312A/en
Publication of JPS5254312A publication Critical patent/JPS5254312A/en
Publication of JPS5611247B2 publication Critical patent/JPS5611247B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)

Abstract

PURPOSE:To acquire synchronization instantaneously by synchronizing an oxcillator with the polot signal-using simply structured PLL for the receiver in a radio transmission system.
JP50129804A 1975-10-30 1975-10-30 Frequency synchronization Granted JPS5254312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50129804A JPS5254312A (en) 1975-10-30 1975-10-30 Frequency synchronization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50129804A JPS5254312A (en) 1975-10-30 1975-10-30 Frequency synchronization

Publications (2)

Publication Number Publication Date
JPS5254312A true JPS5254312A (en) 1977-05-02
JPS5611247B2 JPS5611247B2 (en) 1981-03-13

Family

ID=15018626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50129804A Granted JPS5254312A (en) 1975-10-30 1975-10-30 Frequency synchronization

Country Status (1)

Country Link
JP (1) JPS5254312A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55132135A (en) * 1979-03-30 1980-10-14 Nec Corp Simultaneous transmitting-receiving radio equipment
JPS5691537A (en) * 1979-12-26 1981-07-24 Fujitsu Ltd Phase synchronizing circuit
JPS56103527A (en) * 1980-01-21 1981-08-18 Hitachi Ltd Radio receiver
JPS63139409A (en) * 1986-12-02 1988-06-11 Fujitsu Ltd Fm receiver

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55132135A (en) * 1979-03-30 1980-10-14 Nec Corp Simultaneous transmitting-receiving radio equipment
JPS622735B2 (en) * 1979-03-30 1987-01-21 Nippon Electric Co
JPS5691537A (en) * 1979-12-26 1981-07-24 Fujitsu Ltd Phase synchronizing circuit
JPS6340372B2 (en) * 1979-12-26 1988-08-10 Fujitsu Ltd
JPS56103527A (en) * 1980-01-21 1981-08-18 Hitachi Ltd Radio receiver
JPS63139409A (en) * 1986-12-02 1988-06-11 Fujitsu Ltd Fm receiver

Also Published As

Publication number Publication date
JPS5611247B2 (en) 1981-03-13

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