JPS5393761A - Fm modulator - Google Patents

Fm modulator

Info

Publication number
JPS5393761A
JPS5393761A JP751377A JP751377A JPS5393761A JP S5393761 A JPS5393761 A JP S5393761A JP 751377 A JP751377 A JP 751377A JP 751377 A JP751377 A JP 751377A JP S5393761 A JPS5393761 A JP S5393761A
Authority
JP
Japan
Prior art keywords
signal component
modulator
offsetting
branching
constitution
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
JP751377A
Other languages
Japanese (ja)
Other versions
JPS6057722B2 (en
Inventor
Hiroaki Shimayama
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 JP751377A priority Critical patent/JPS6057722B2/en
Publication of JPS5393761A publication Critical patent/JPS5393761A/en
Publication of JPS6057722B2 publication Critical patent/JPS6057722B2/en
Expired 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

Abstract

PURPOSE:To obtain a stabilized frequency through constitution of AFC system by branching off part of the modulation input signal and offsetting the demodulation signal component to feed back the signal component to FM modulator via a loop filter.
JP751377A 1977-01-26 1977-01-26 FM modulator Expired JPS6057722B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP751377A JPS6057722B2 (en) 1977-01-26 1977-01-26 FM modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP751377A JPS6057722B2 (en) 1977-01-26 1977-01-26 FM modulator

Publications (2)

Publication Number Publication Date
JPS5393761A true JPS5393761A (en) 1978-08-17
JPS6057722B2 JPS6057722B2 (en) 1985-12-17

Family

ID=11667851

Family Applications (1)

Application Number Title Priority Date Filing Date
JP751377A Expired JPS6057722B2 (en) 1977-01-26 1977-01-26 FM modulator

Country Status (1)

Country Link
JP (1) JPS6057722B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63232605A (en) * 1987-03-20 1988-09-28 Nec Corp Automatic frequency control circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63232605A (en) * 1987-03-20 1988-09-28 Nec Corp Automatic frequency control circuit

Also Published As

Publication number Publication date
JPS6057722B2 (en) 1985-12-17

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