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JPS5337356A - Pll frequency synthesizer - Google Patents

Pll frequency synthesizer

Info

Publication number
JPS5337356A
JPS5337356A JP11272776A JP11272776A JPS5337356A JP S5337356 A JPS5337356 A JP S5337356A JP 11272776 A JP11272776 A JP 11272776A JP 11272776 A JP11272776 A JP 11272776A JP S5337356 A JPS5337356 A JP S5337356A
Authority
JP
Japan
Prior art keywords
frequency synthesizer
pll frequency
pll
achieve
speed
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.)
Pending
Application number
JP11272776A
Other languages
Japanese (ja)
Inventor
Hiroshi Miyagi
Akio Fujie
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP11272776A priority Critical patent/JPS5337356A/en
Publication of JPS5337356A publication Critical patent/JPS5337356A/en
Pending 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
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number

Landscapes

  • Transceivers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

PURPOSE:To achieve the PLL frequency synthesizer which can make low noise and speed up the frequency changeover.
JP11272776A 1976-09-18 1976-09-18 Pll frequency synthesizer Pending JPS5337356A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11272776A JPS5337356A (en) 1976-09-18 1976-09-18 Pll frequency synthesizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11272776A JPS5337356A (en) 1976-09-18 1976-09-18 Pll frequency synthesizer

Publications (1)

Publication Number Publication Date
JPS5337356A true JPS5337356A (en) 1978-04-06

Family

ID=14594017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11272776A Pending JPS5337356A (en) 1976-09-18 1976-09-18 Pll frequency synthesizer

Country Status (1)

Country Link
JP (1) JPS5337356A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60127018U (en) * 1984-02-01 1985-08-27 アルプス電気株式会社 FM demodulation circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4990071A (en) * 1972-12-27 1974-08-28
JPS50132852A (en) * 1974-04-05 1975-10-21
JPS5164857A (en) * 1974-12-03 1976-06-04 Fujitsu Ltd

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4990071A (en) * 1972-12-27 1974-08-28
JPS50132852A (en) * 1974-04-05 1975-10-21
JPS5164857A (en) * 1974-12-03 1976-06-04 Fujitsu Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60127018U (en) * 1984-02-01 1985-08-27 アルプス電気株式会社 FM demodulation circuit

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