JPS6322483B2 - - Google Patents

Info

Publication number
JPS6322483B2
JPS6322483B2 JP55179285A JP17928580A JPS6322483B2 JP S6322483 B2 JPS6322483 B2 JP S6322483B2 JP 55179285 A JP55179285 A JP 55179285A JP 17928580 A JP17928580 A JP 17928580A JP S6322483 B2 JPS6322483 B2 JP S6322483B2
Authority
JP
Japan
Prior art keywords
circuit
modulation
frequency
phase
pll
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.)
Expired
Application number
JP55179285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57103412A (en
Inventor
Kazuo Yamashita
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.)
Japan Radio Co Ltd
Original Assignee
Japan Radio 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 Japan Radio Co Ltd filed Critical Japan Radio Co Ltd
Priority to JP55179285A priority Critical patent/JPS57103412A/ja
Publication of JPS57103412A publication Critical patent/JPS57103412A/ja
Publication of JPS6322483B2 publication Critical patent/JPS6322483B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0975—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation in the phase locked loop at components other than the divider, the voltage controlled oscillator or the reference clock
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0958—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation by varying the characteristics of the voltage controlled oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0037—Functional aspects of modulators
    • H03C2200/005—Modulation sensitivity
    • H03C2200/0054—Filtering of the input modulating signal for obtaining a constant sensitivity of frequency modulation

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP55179285A 1980-12-18 1980-12-18 Phase modulation system due to pll Granted JPS57103412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55179285A JPS57103412A (en) 1980-12-18 1980-12-18 Phase modulation system due to pll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55179285A JPS57103412A (en) 1980-12-18 1980-12-18 Phase modulation system due to pll

Publications (2)

Publication Number Publication Date
JPS57103412A JPS57103412A (en) 1982-06-28
JPS6322483B2 true JPS6322483B2 (enExample) 1988-05-12

Family

ID=16063151

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55179285A Granted JPS57103412A (en) 1980-12-18 1980-12-18 Phase modulation system due to pll

Country Status (1)

Country Link
JP (1) JPS57103412A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866404A (en) * 1988-09-15 1989-09-12 General Electric Company Phase locked frequency synthesizer with single input wideband modulation system
US4864257A (en) * 1988-09-15 1989-09-05 General Electric Company Phase locked frequency synthesizer with single input gain compensated wideband modulation system
JPH04357703A (ja) * 1991-06-04 1992-12-10 Matsushita Electric Ind Co Ltd 周波数変調回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5272416A (en) * 1975-12-15 1977-06-16 Matsushita Electric Ind Co Ltd Drive circuit for high frequency commutator motor

Also Published As

Publication number Publication date
JPS57103412A (en) 1982-06-28

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