KR970031227A - Frequency synthesizer - Google Patents

Frequency synthesizer Download PDF

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Publication number
KR970031227A
KR970031227A KR1019950039748A KR19950039748A KR970031227A KR 970031227 A KR970031227 A KR 970031227A KR 1019950039748 A KR1019950039748 A KR 1019950039748A KR 19950039748 A KR19950039748 A KR 19950039748A KR 970031227 A KR970031227 A KR 970031227A
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KR
South Korea
Prior art keywords
frequency signal
distribution means
signal
predetermined number
phase
Prior art date
Application number
KR1019950039748A
Other languages
Korean (ko)
Inventor
임정수
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 KR1019950039748A priority Critical patent/KR970031227A/en
Publication of KR970031227A publication Critical patent/KR970031227A/en

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Abstract

본 발명은 주파수 합성기를 공개한다. 그 장치는 입력 주파수신호를 소정수로 분배하기 위한 제1분배수단, 상기 제1분배수단의 출력신호와 출력 주파수신호를 상기 소정수와 다른 수로 분배된 신호의 주파수 또는 위상차를 검출하기 위한 위상 비교수단, 상기 위상 분배수단에 의해서 검출된 주파수차 또는 위상차를 적분해서 직류전압을 출력하기 위한 저역통과 필터, 상기 직류전압에 의해 상기 출력 주파수신호를 가변하기 위한 전압 제어발진기, 및 상기 전압 제어 발진기의 출력 주파수신호를 상기 소정수와 다른 수로 분배하여 상기 위상 위상 비교수단으로 출력하기 위한 제2분배수단으로 구성되어 있다. 따라서, 입력 주파수신호를 소수배로 체배할 수 있다.The present invention discloses a frequency synthesizer. The apparatus comprises a first distribution means for distributing an input frequency signal by a predetermined number, and a phase comparison for detecting the frequency or phase difference of the signal distributed by the output signal and the output frequency signal of the first distribution means by a number different from the predetermined number. Means, a low pass filter for outputting a DC voltage by integrating the frequency difference or phase difference detected by the phase distribution means, a voltage controlled oscillator for varying the output frequency signal by the DC voltage, and the voltage controlled oscillator And second distribution means for distributing an output frequency signal in a number different from the predetermined number and outputting the same to the phase phase comparison means. Therefore, the input frequency signal can be multiplied by a factor of two.

Description

주파수 합성기Frequency synthesizer

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

제2도는 본 발명의 주파수 합성기의 블럭도이다.2 is a block diagram of a frequency synthesizer of the present invention.

Claims (2)

입력 주파수신호를 소정수로 분배하기 위한 제1분배수단; 상기 제l분배수단의 출력신호와 출력 주파수신호를 상기 소정수와 다른 수로 분배된 신호의 주파수 또는 위상자를 검출하기 위한 위상 비교수단; 상기 위상 분배수단에 의해서 검출된 주파수차 또는 위상차를 적분해서 직류전압을 출력하기 위한 저역 통과 필터; 상기 직류전압에 의해 상기 출력 주파수신호를 가변하기 위한 전압 제어 발진기; 및 상기 전압 제어 발진기의 출력 주파수신호틀 상기 소정수와 다른 수로 분배하여 상기 위상 비교수단으로 출력하기 위한 제2분배수단을 구비한 것을 특징으로 하는 주파수 합성기.First distribution means for distributing an input frequency signal to a predetermined number; Phase comparison means for detecting a frequency or a phaser of the signal divided by the number different from the predetermined number from the output signal and the output frequency signal of the first distribution means; A low pass filter for outputting a DC voltage by integrating the frequency difference or phase difference detected by the phase distribution means; A voltage controlled oscillator for varying the output frequency signal by the DC voltage; And second distribution means for dividing the output frequency signal frame of the voltage controlled oscillator into a number different from the predetermined number and outputting the same to the phase comparison means. 입력 주파수신호를 소정수로 분배하기 의한 분배수단; 및 상기 분배수단에 의해서 분배된 신호와 출력 주파수신호를 상기 소정수와 다른 수로 분배한 신호를 입력하여 상기 입력 주파수신호를 소수배만큼 체배한 주파수신호를 출력하기 위상 동기 루프를 구비한 것을 특징으로 하는 주파수 합성기.Distribution means for distributing an input frequency signal to a predetermined number; And a phase locked loop for inputting a signal distributed by the distribution means and a signal divided by an output frequency signal different from the predetermined number and outputting a frequency signal obtained by multiplying the input frequency signal by a multiple of a number. Frequency synthesizer. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950039748A 1995-11-04 1995-11-04 Frequency synthesizer KR970031227A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950039748A KR970031227A (en) 1995-11-04 1995-11-04 Frequency synthesizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950039748A KR970031227A (en) 1995-11-04 1995-11-04 Frequency synthesizer

Publications (1)

Publication Number Publication Date
KR970031227A true KR970031227A (en) 1997-06-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950039748A KR970031227A (en) 1995-11-04 1995-11-04 Frequency synthesizer

Country Status (1)

Country Link
KR (1) KR970031227A (en)

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