KR920009087A - Phase detection device of phase locked loop circuit - Google Patents

Phase detection device of phase locked loop circuit Download PDF

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Publication number
KR920009087A
KR920009087A KR1019900017146A KR900017146A KR920009087A KR 920009087 A KR920009087 A KR 920009087A KR 1019900017146 A KR1019900017146 A KR 1019900017146A KR 900017146 A KR900017146 A KR 900017146A KR 920009087 A KR920009087 A KR 920009087A
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KR
South Korea
Prior art keywords
phase
locked loop
loop circuit
signal
detection device
Prior art date
Application number
KR1019900017146A
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Korean (ko)
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KR930004859B1 (en
Inventor
이원택
Original Assignee
박성규
대우통신 주식회사
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Priority to KR1019900017146A priority Critical patent/KR930004859B1/en
Publication of KR920009087A publication Critical patent/KR920009087A/en
Application granted granted Critical
Publication of KR930004859B1 publication Critical patent/KR930004859B1/en

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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

Abstract

내용 없음.No content.

Description

위상 고정 루프 회로의 위상 검출장치Phase detection device of phase locked loop circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 통상적인 위상 고정 루프 회로의 개략적인 블록도.1 is a schematic block diagram of a conventional phase locked loop circuit.

제2도는 위상 고정 루프 회로의 종래 위상 검출기의 구성도.2 is a block diagram of a conventional phase detector of a phase locked loop circuit.

제3도는 제2도에 도시된 위상 검출기의 각부분의 타이밍도.3 is a timing diagram of each part of the phase detector shown in FIG.

제4도는 본 발명에 따른 위상 고정 루프 회로의 위상 검출기에 대한 구성도.4 is a block diagram of a phase detector of a phase locked loop circuit according to the present invention.

제5도는 제4도에 도시된 위상 검출기 각 부분의 타이밍도.5 is a timing diagram of each part of the phase detector shown in FIG.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 위상 검출기 13 : 루프 필터10 phase detector 13 loop filter

15 : 전압 제어 발진기 17 : 분주회로15: voltage controlled oscillator 17: frequency divider circuit

23 : 지연소자 25 : D형 플립플롭23: delay element 25: D flip-flop

Claims (1)

기준 주파수 신호를 발생하는 전압 제어 발진기(15), 상기 발진기로부터의 위상이 반대인 두개의 클럭신호와외부 데이타 신호를 수신하는 위상 검출부와, 상기 위상검출부에 의해 검출된 위상 편차 신호를 수신하며 상기발진기의 전압을 제어하는 루프 필터부를 포함하는 위상 고정 루프 회로에 있어서, 상기 반대 위상의 클럭 신호중의 하나의 기준 설정된 클럭 신호와 일치된 동위상의 클럭 신호를 생성하기 위하여 상기 외부데이타를 원하는위상만큼 지연시키는 지연수단(23)과, 상기 동위상의 클럭 신호를 하나의 입력 단자로 수신하도록 구성된 D형플립플롭을 포함하는 위상 고정 루프 회로의 위상 검출장치.A voltage controlled oscillator 15 for generating a reference frequency signal, a phase detector for receiving two clock signals and an external data signal of opposite phases from the oscillator, a phase deviation signal detected by the phase detector, A phase locked loop circuit including a loop filter section for controlling the voltage of an oscillator, wherein the external data is delayed by a desired phase to generate a clock signal in phase coincident with a reference clock signal of one of the clock signals of opposite phases. And a D-type flip-flop configured to receive the in-phase clock signal through a single input terminal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900017146A 1990-10-25 1990-10-25 Phase detect instrument of phase lock loop circuit KR930004859B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900017146A KR930004859B1 (en) 1990-10-25 1990-10-25 Phase detect instrument of phase lock loop circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900017146A KR930004859B1 (en) 1990-10-25 1990-10-25 Phase detect instrument of phase lock loop circuit

Publications (2)

Publication Number Publication Date
KR920009087A true KR920009087A (en) 1992-05-28
KR930004859B1 KR930004859B1 (en) 1993-06-09

Family

ID=19305176

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900017146A KR930004859B1 (en) 1990-10-25 1990-10-25 Phase detect instrument of phase lock loop circuit

Country Status (1)

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KR (1) KR930004859B1 (en)

Also Published As

Publication number Publication date
KR930004859B1 (en) 1993-06-09

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