KR920022679A - Variable Frequency Voltage Controlled Oscillator Circuit - Google Patents

Variable Frequency Voltage Controlled Oscillator Circuit Download PDF

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Publication number
KR920022679A
KR920022679A KR1019910007557A KR910007557A KR920022679A KR 920022679 A KR920022679 A KR 920022679A KR 1019910007557 A KR1019910007557 A KR 1019910007557A KR 910007557 A KR910007557 A KR 910007557A KR 920022679 A KR920022679 A KR 920022679A
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KR
South Korea
Prior art keywords
variable frequency
transistor
voltage controlled
frequency voltage
transistors
Prior art date
Application number
KR1019910007557A
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Korean (ko)
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KR930008429B1 (en
Inventor
박호진
김재휘
Original Assignee
김광호
삼성전자 주식회사
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Priority to KR1019910007557A priority Critical patent/KR930008429B1/en
Publication of KR920022679A publication Critical patent/KR920022679A/en
Application granted granted Critical
Publication of KR930008429B1 publication Critical patent/KR930008429B1/en

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply

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  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)

Abstract

내용 없음.No content.

Description

가변 주파수 전압제어 발진회로Variable Frequency Voltage Controlled Oscillator Circuit

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

제3도는 본 발명의 실시예를 보인 가변 주파수 전압제어 발진 회로도.Figure 3 is a variable frequency voltage controlled oscillator circuit showing an embodiment of the present invention.

Claims (2)

제1 및 제2트랜지스터(Q1)(Q2)와, 제1 및 제2트랜지스터(Q1)(Q2)의 에미터 사이에 접속되는 콘덴서(C)와, 상기 제1 및 제2트랜지스터(Q1)(Q2)의 컬렉터에 각각 접속된 제1 및 제2의 부하(R1,Q5)(R2,Q6)와, 제1트랜지스터(Q1)의 콜렉터와 제2트랜지스터(Q2)의 베이스 사이, 및 제2트랜지스터(Q2)의 콜렉터와 제1트랜지스터(Q1)의 베이스 사이에 접속되는 제1 및 제2의 피드백 수단(Q3)(Q4)과, 상기 제1 및 제2트랜지스터(Q1)(Q2)의 에미터 및 베이스에 각각 접속된 제1바이어스회로(1)와, 상기 제1 및 제2트랜지스터(Q1)(Q2)의 에미터에 공통으로 접속된 제1 바이어스회로(2)와, 상기 제2바이어스회로(2)에 연결되어 제2바이어스회로(2)의 출력정전류원(I*)을 제어하는 주파수 가변 스위치(4)로 구성되는 것을 특징으로 하는 가변 주파수 전압제어 발진회로.First and second transistors (Q 1) (Q 2), first and second and the transistor (Q 1) a capacitor (C) connected between the emitter of the (Q 2), said first and second transistors The first and second loads R 1 and Q 5 (R 2 and Q 6 ) connected to the collectors of (Q 1 ) and (Q 2 ), respectively, the collector and the second transistor of the first transistor Q 1 . and between the base of (Q 2), and a second transistor (Q 2) of the collector of the first transistor the first and feedback means of the second being connected between the base of the (Q 1) (Q 3) (Q 4), A first bias circuit 1 connected to the emitter and the base of the first and second transistors Q 1 and Q 2 , respectively, and an emi of the first and second transistors Q 1 and Q 2 . A variable frequency switch 4 connected to the first bias circuit 2 and the second bias circuit 2 which are commonly connected to the control circuit to control the output constant current source I * of the second bias circuit 2. Variable frequency voltage controlled oscillation circuit, characterized in that consisting of. 제1항에 있어서, 제1 및 제2바이어스회로(1)(2)는 자체 바이어스 형태의 전류미러회로인 것을 특징으로 하는 가변 주파수 전압제어 발진회로.2. The variable frequency voltage controlled oscillator circuit according to claim 1, wherein the first and second bias circuits (1) (2) are self-biased current mirror circuits. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910007557A 1991-05-10 1991-05-10 Variable v.c.o. KR930008429B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910007557A KR930008429B1 (en) 1991-05-10 1991-05-10 Variable v.c.o.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910007557A KR930008429B1 (en) 1991-05-10 1991-05-10 Variable v.c.o.

Publications (2)

Publication Number Publication Date
KR920022679A true KR920022679A (en) 1992-12-19
KR930008429B1 KR930008429B1 (en) 1993-08-31

Family

ID=19314274

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910007557A KR930008429B1 (en) 1991-05-10 1991-05-10 Variable v.c.o.

Country Status (1)

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KR (1) KR930008429B1 (en)

Also Published As

Publication number Publication date
KR930008429B1 (en) 1993-08-31

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