KR910002324B1 - Cdp의 비트클럭 추출회로 - Google Patents
Cdp의 비트클럭 추출회로 Download PDFInfo
- Publication number
- KR910002324B1 KR910002324B1 KR1019880003566A KR880003566A KR910002324B1 KR 910002324 B1 KR910002324 B1 KR 910002324B1 KR 1019880003566 A KR1019880003566 A KR 1019880003566A KR 880003566 A KR880003566 A KR 880003566A KR 910002324 B1 KR910002324 B1 KR 910002324B1
- Authority
- KR
- South Korea
- Prior art keywords
- output
- clock
- data
- phase difference
- shift
- Prior art date
Links
- 230000001143 conditioned effect Effects 0.000 title abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 238000000605 extraction Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 18
- 230000003111 delayed effect Effects 0.000 description 10
- 230000001934 delay Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (1)
- CDP의 비트클럭 추출회로에 있어서, 전송라인(80)으로부터 전송되어지는 라인코딩 수신데이터(LCRD)를 전송속도보다 매우 큰 소정의 샘플링클럭으로 오버샘플링하며 입력과 출력의 위상차가 소정의 위상차를 가지도록 직렬 시프트하는 제1시프트 레지스터(100)와, 상기 제1시프트 레지스터(200)에 직렬접속되고 상기 샘플링 클럭으로 입력데이터를 시프트하여 입력과 출력의 위상차가 소정의 위상차를 가지도록 하는 제2시프트 레지스터(200)와, 상기 제2시프트 레지스터(200)에 직렬 접속되어 상기 샘플링 클럭으로 입력데이터를 시프트하여 입력과 출력의 의상차가 소정의 위상차를 가지도록 하여 제3시프트 레지스터(300)와, 상기 제3시프트 레지스터(300)의 출력단에 직렬 접속되어 상기 샘플링 클럭으로 입력데이터를 시프트하여 입력과 출력의 위상차가 소정의 위상차를 가지도록 하는 제4시프트 레지스터(400)와, 상기 제1, 제2시프트 레지스터(400)(200)의 출력을 배타적 논리합하여 데이터의 위상이 서로 다를 때 이를 검출하는제1EX-OR(500)와, 상기 제3, 제4시프트 레지스터(300)(400)의 출력을 배타적 논리합하여 데이터의 위상이 서로 다른 레벨상대만을 검출하는 제2EX-OR(600)와, 상기 제1, 제2EX-OR(500)(600)의 출력을 논리합하여 수신클럭을 추출하는 오아게이트(700)로 구성함을 특징으로 하는 CDP의 비트 클럭 추출회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019880003566A KR910002324B1 (ko) | 1988-03-31 | 1988-03-31 | Cdp의 비트클럭 추출회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019880003566A KR910002324B1 (ko) | 1988-03-31 | 1988-03-31 | Cdp의 비트클럭 추출회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890015534A KR890015534A (ko) | 1989-10-30 |
KR910002324B1 true KR910002324B1 (ko) | 1991-04-11 |
Family
ID=19273294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880003566A KR910002324B1 (ko) | 1988-03-31 | 1988-03-31 | Cdp의 비트클럭 추출회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910002324B1 (ko) |
-
1988
- 1988-03-31 KR KR1019880003566A patent/KR910002324B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR890015534A (ko) | 1989-10-30 |
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