KR930003520A - Frequency modulation circuit - Google Patents

Frequency modulation circuit Download PDF

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Publication number
KR930003520A
KR930003520A KR1019910013278A KR910013278A KR930003520A KR 930003520 A KR930003520 A KR 930003520A KR 1019910013278 A KR1019910013278 A KR 1019910013278A KR 910013278 A KR910013278 A KR 910013278A KR 930003520 A KR930003520 A KR 930003520A
Authority
KR
South Korea
Prior art keywords
frequency
signal
modulation circuit
frequency modulation
reference voltage
Prior art date
Application number
KR1019910013278A
Other languages
Korean (ko)
Other versions
KR940003157B1 (en
Inventor
김헌욱
Original Assignee
김광호
삼성전자 주식회사
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 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019910013278A priority Critical patent/KR940003157B1/en
Publication of KR930003520A publication Critical patent/KR930003520A/en
Application granted granted Critical
Publication of KR940003157B1 publication Critical patent/KR940003157B1/en

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplitude Modulation (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

내용 없음.No content.

Description

주파수 변조회로Frequency modulation circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 클럭 다이어그램,2 is a clock diagram according to the present invention,

제3도는 제2도의 일실시예를 보여주는 회로도.3 is a circuit diagram showing an embodiment of FIG.

Claims (1)

주파수 변조회로에 있어서, 입력되는 변조신호와 최종적으로 출력되는 주파수변조 신호에서 주파수 변이에 따르는 전압신호들 비교함에 다른 기준전압을 출력하는 기준전압 변환기와, 상기 변조신호와 반송신호를 입력하여 상기 주파수 변조 신호를 출력하는 변조회로, 상기 주파수 변조신호와 상기 반송신호를 입력하여 양자의 주파수 편이를 비교측정하는 모니터부와, 상기 모니터부에 의하여 측정된 상기 주파수 편이값에 따라 충방전이 달라지며 상기 기준전압 변환기에 연결된 캐패시터로 구성됨을 특징으로 하는 주파수 변조회로.A frequency modulation circuit comprising: a reference voltage converter for outputting a different reference voltage when comparing an input modulation signal with a voltage signal corresponding to a frequency variation in a finally outputted frequency modulation signal; and inputting the modulation signal and a carrier signal to the frequency signal; A modulation circuit for outputting a modulation signal, a monitor unit for inputting the frequency modulation signal and the carrier signal to compare and measure the frequency shifts of the two, and the charge / discharge varies according to the frequency shift value measured by the monitor unit. A frequency modulation circuit comprising a capacitor connected to a reference voltage converter. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910013278A 1991-07-31 1991-07-31 Frequency modulation circuit KR940003157B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910013278A KR940003157B1 (en) 1991-07-31 1991-07-31 Frequency modulation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910013278A KR940003157B1 (en) 1991-07-31 1991-07-31 Frequency modulation circuit

Publications (2)

Publication Number Publication Date
KR930003520A true KR930003520A (en) 1993-02-24
KR940003157B1 KR940003157B1 (en) 1994-04-15

Family

ID=19318119

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910013278A KR940003157B1 (en) 1991-07-31 1991-07-31 Frequency modulation circuit

Country Status (1)

Country Link
KR (1) KR940003157B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100482059B1 (en) * 2001-12-24 2005-04-13 현대자동차주식회사 Air flux variable charge motion device of engine in vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100482059B1 (en) * 2001-12-24 2005-04-13 현대자동차주식회사 Air flux variable charge motion device of engine in vehicle

Also Published As

Publication number Publication date
KR940003157B1 (en) 1994-04-15

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