KR940005961B1 - 자동 차량 추적장치용 2중 주파수 발생회로 - Google Patents
자동 차량 추적장치용 2중 주파수 발생회로 Download PDFInfo
- Publication number
- KR940005961B1 KR940005961B1 KR1019910016283A KR910016283A KR940005961B1 KR 940005961 B1 KR940005961 B1 KR 940005961B1 KR 1019910016283 A KR1019910016283 A KR 1019910016283A KR 910016283 A KR910016283 A KR 910016283A KR 940005961 B1 KR940005961 B1 KR 940005961B1
- Authority
- KR
- South Korea
- Prior art keywords
- frequency
- generating
- phase comparator
- multiplier
- phase
- Prior art date
Links
- 230000009977 dual effect Effects 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 101100350613 Arabidopsis thaliana PLL1 gene Proteins 0.000 description 1
- 101100082028 Arabidopsis thaliana PLL2 gene Proteins 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
-
- 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
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (1)
- 이동차량을 자동으로 추적하기 위한 자동 차량 추적장치에 필요한 2중주파수 발생회로에 있어서, 소정의 주파수를 발생하는 주파수 발생기(20)와 상기의 주파수를 1/N1를 분주하여 기준주파수를 발생하는 분주기(20)를 포함하는 기준주파수 발생부와 ; 상기의 기준주파수와 M1-1 주파수의 위상을 비교하는 위상비교기(22)와 ; 상기의 위상비교기(22)의 위상비교결과 위상이 같거나 다른 상태에 따가 직류전압과 교류전압을 각각 발생하는 저역통과 필터(25)와 ; 상기의 저역통과 필터(25)로 부터의 전압레벨에 따라 M1-1주파수와 안정된 주파수를 각각 출력하는 자동제어 전압발진기(23)와 ; 상기의 자동제어전압발진기(23)로 부터의 M1-1주파수를 1/N2로 분주하여 상기의 위상비교기(22)에 궤환 입력시키는 분주기(24)와 ; 상기의 자동제어전압발진기(23)로 부터의 안정된 주파수를 "a" 만큼 체배하여 M1주파수 신호를 발생시키는 체배기(26) 및 ; 상기의 체배기(26)의 출력인 M1주파수 신호를 "b" 맡큼 체배하여 M2주파수 신호를 발생시키는 체배기(27)들로 구성시켜서 됨을 특징으로 하는 자동 차량 추적장치용 2중 주파수 발생회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910016283A KR940005961B1 (ko) | 1991-09-18 | 1991-09-18 | 자동 차량 추적장치용 2중 주파수 발생회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910016283A KR940005961B1 (ko) | 1991-09-18 | 1991-09-18 | 자동 차량 추적장치용 2중 주파수 발생회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930006457A KR930006457A (ko) | 1993-04-21 |
KR940005961B1 true KR940005961B1 (ko) | 1994-06-25 |
Family
ID=19320094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910016283A KR940005961B1 (ko) | 1991-09-18 | 1991-09-18 | 자동 차량 추적장치용 2중 주파수 발생회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940005961B1 (ko) |
-
1991
- 1991-09-18 KR KR1019910016283A patent/KR940005961B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930006457A (ko) | 1993-04-21 |
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