KR970055387A - Voltage controlled oscillator with temperature control - Google Patents

Voltage controlled oscillator with temperature control Download PDF

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Publication number
KR970055387A
KR970055387A KR1019950051054A KR19950051054A KR970055387A KR 970055387 A KR970055387 A KR 970055387A KR 1019950051054 A KR1019950051054 A KR 1019950051054A KR 19950051054 A KR19950051054 A KR 19950051054A KR 970055387 A KR970055387 A KR 970055387A
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KR
South Korea
Prior art keywords
controlled oscillator
voltage controlled
temperature
generating
accordance
Prior art date
Application number
KR1019950051054A
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Korean (ko)
Inventor
현석교
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 KR1019950051054A priority Critical patent/KR970055387A/en
Publication of KR970055387A publication Critical patent/KR970055387A/en

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  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

본 발명은 안정된 주파수를 발생하도록 하기 위한 제어장치를 구비한 전압제어발진기에 관한 것으로, 입력되는 제어전압에 따라 소정의 주파수를 발생하는 전압제어발진기; 상기 전압제어발진기의 주변 온도에 따라 소정의 제어신호를 발생하는 온도감지수단; 및 상기 온도감지수단에서 발생된 제어신호에 따라 VCO주변의 온도를 가변시키기 위한 온도가변수단을 포함함을 특징으로 한다.The present invention relates to a voltage controlled oscillator having a control device for generating a stable frequency, the voltage controlled oscillator for generating a predetermined frequency according to the input control voltage; Temperature sensing means for generating a predetermined control signal in accordance with the ambient temperature of the voltage controlled oscillator; And a temperature variable stage for varying a temperature around the VCO according to a control signal generated by the temperature sensing means.

본 발명에 의한 온도제어장치를 구비한 전압제어발진기에 의하면, 온도 변화에 매우 민감한 VCO 주파수 변화를 상당이 개선할 수 있으며, 적용하는 제품의 특성이나 서미스터의 온도특성에 따라 온도의 가변범위를 적절히 조절할 수 있다.According to the voltage controlled oscillator having the temperature control device according to the present invention, the VCO frequency change which is very sensitive to the temperature change can be significantly improved, and the variable temperature range of the thermistor may be appropriately adjusted according to the characteristics of the applied product or the temperature of the thermistor. I can regulate it.

Description

온도제어장치를 구비한 전압제어발진기Voltage controlled oscillator with temperature control

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

제1도는 본 발명에 의한 온도제어장치를 구비한 전압제어발진기의 구성도.1 is a configuration diagram of a voltage controlled oscillator having a temperature control device according to the present invention.

Claims (2)

입력되는 제어전압에 따라 소정의 주파수를 발생하는 전압제어발진기; 상기 전압제어발진기의 주변 온도에 따라 소정의 제어신호를 발생하는 온도감지수단; 및 상기 온도감지수단에서 발생된 제어신호에 따라 상기 전압제어발진기 주변의 온도를 가변시키기 위한 온도가변수단을 포함함을 특징으로 하는 온도제어장치를 구비한 전압제어발진기.A voltage controlled oscillator for generating a predetermined frequency in accordance with an input control voltage; Temperature sensing means for generating a predetermined control signal in accordance with the ambient temperature of the voltage controlled oscillator; And a temperature variable stage for varying a temperature around the voltage controlled oscillator in accordance with a control signal generated by the temperature sensing means. 입력되는 제어전압에 따라 소정의 주파수를 발생하는 전압제어발진기; 상기 전압제어발진기의 주변 온도에 따라 저항값이 변하는 서미스터; 상기 서미스터의 저항값에 따라 전원공급을 온/오프하는 ]전원온/오프부; 및 상기 전압제어발진기 주변에 위치하며, 상기 전원온/오프부(13)에 의하여 전원이 공급되는 발열저항을 포함함을 특징으로 하는 온도제어장치를 구비한 전압제어발진기.A voltage controlled oscillator for generating a predetermined frequency in accordance with an input control voltage; A thermistor whose resistance is changed in accordance with the ambient temperature of the voltage controlled oscillator; A power on / off unit for turning on / off a power supply according to the resistance of the thermistor; And a heat generating resistor positioned around the voltage controlled oscillator, the heating resistance being supplied by the power on / off unit (13). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950051054A 1995-12-16 1995-12-16 Voltage controlled oscillator with temperature control KR970055387A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950051054A KR970055387A (en) 1995-12-16 1995-12-16 Voltage controlled oscillator with temperature control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950051054A KR970055387A (en) 1995-12-16 1995-12-16 Voltage controlled oscillator with temperature control

Publications (1)

Publication Number Publication Date
KR970055387A true KR970055387A (en) 1997-07-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950051054A KR970055387A (en) 1995-12-16 1995-12-16 Voltage controlled oscillator with temperature control

Country Status (1)

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KR (1) KR970055387A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100433634B1 (en) * 2002-04-19 2004-05-31 한국전자통신연구원 Adaptive loop gain control circuit for voltage controlled oscillator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100433634B1 (en) * 2002-04-19 2004-05-31 한국전자통신연구원 Adaptive loop gain control circuit for voltage controlled oscillator

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