KR880009487A - Channel Data Decoding Circuit of Time Switch Circuit Using Speech Memory in Delta Modulation Exchange System - Google Patents

Channel Data Decoding Circuit of Time Switch Circuit Using Speech Memory in Delta Modulation Exchange System Download PDF

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Publication number
KR880009487A
KR880009487A KR870000417A KR870000417A KR880009487A KR 880009487 A KR880009487 A KR 880009487A KR 870000417 A KR870000417 A KR 870000417A KR 870000417 A KR870000417 A KR 870000417A KR 880009487 A KR880009487 A KR 880009487A
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KR
South Korea
Prior art keywords
counter
signal
output
address
multiplexer
Prior art date
Application number
KR870000417A
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Korean (ko)
Inventor
송덕영
Original Assignee
강진구
삼성반도체통신 주식회사
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Publication date
Application filed by 강진구, 삼성반도체통신 주식회사 filed Critical 강진구
Priority to KR870000417A priority Critical patent/KR880009487A/en
Publication of KR880009487A publication Critical patent/KR880009487A/en

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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes

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  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Telephonic Communication Services (AREA)

Abstract

내용 없음.No content.

Description

델타 변조 교환 시스템에서의 스피치 메모리를 이용한 타임스위치회로의 채널 데이타 디코딩회로Channel Data Decoding Circuit of Time Switch Circuit Using Speech Memory in Delta Modulation Exchange System

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제 1 도는 펄스 부호 변조시스템 교환회로의 타임스위치 회로.1 is a time switch circuit of a pulse code modulation system exchange circuit.

제 2 도는 통화로 형성도 .Second degree is formed by currency.

제 3 도는 본 발명에 따른 구체회로도.3 is a detailed circuit diagram according to the present invention.

Claims (1)

델타 변조 방식의 교환 시스템에 있어서, 소정의 클럭을 발생하는 클럭발생기(50)와, 소정의 제어신호를 출력하는 제어로직부(60)와, 상기 클럭발생기(50)의 클럭에 의해 소정신호를 카운팅하는 제 1 카운터(20), 제 2 카운터(70), 제 3 카운터(100)와, 델타 변조 방식의 가입자 음성데이타를 입력하여 상기 제 1 카운터(20)의 출력에 의해 선택 출력하는 제 1 멀티플렉서(10)와, 상기 제어로직부(60)의 신호에 의해 어드레스버스의 신호를 타이트 어드레스로 제 2 카운터(70)의 신호를 리드 어드레스로 선택 출력하는 제 2 멀티플렉서(80)와, 데이타버스의 제어정보 데이타를 입력하여 상기 제어로직부(60)의 신호에 제 1 멀티플렉서(80)의 선택 출력 어드레스의 데이타를 라이트/리드 하는 제어메모리(90)와, 상기 제어로직부(60)의 신호에 의해 상기 제 3 카운터의 출력을 라이트 어드레스로 상기 제어메모리(90)의 출력을 리드 어드레스로 선택 출력하는 제 3 멀티플렉서(110)와, 상기 제 3 멀티플렉서(110)의 출력 어드레스에 가입자 데이타를 리드/라이트하는 스피치 메모리(30)와, 상기 스피치 메모리(30)의 출력을 디멀티 플렉싱하는 디멀티플렉서(40)를 구비하여, 델타 변조된 가입자의 음성 데이타 채널을 상기 제 1 멀티플렉서(10)에서 상기 제 1 카운터(20)에 의해 선택 출력하여 상기 제 3 카운터(100)의 출력에 의해 상기 스피치 메모리(30)에 시퀀샬 라이트하고 라이트한 데이타를 중앙처리장치의 제어를 받는 제어메모리(90)의 리드어드레스 신호에 의해 스피치 메모리(30)의 데이타를 리드하여 디멀티플렉서(40)에서 디멀티 플렉싱하는 델타 교환 시스템에서의 스피치 메모리를 이용한 타임스위치의 채널데이타 디코딩회로.In the delta modulation switching system, a predetermined signal is generated by a clock generator 50 generating a predetermined clock, a control logic unit 60 outputting a predetermined control signal, and a clock of the clock generator 50. A first counter 20, a second counter 70, a third counter 100, and a subscriber modulated data of a delta modulation method, which are counted, and which are selectively output by the output of the first counter 20. A second multiplexer 80 for selecting and outputting a signal of an address bus to a tight address and a signal of a second counter 70 to a read address by a signal of the multiplexer 10 and the control logic unit 60; Control memory 90 for inputting control information data of the control logic unit 60 to write / read data of the selected output address of the first multiplexer 80 to the signal of the control logic unit 60, and the signal of the control logic unit 60; Output the third counter by A third multiplexer 110 for selectively outputting the output of the control memory 90 to a read address at a second address, a speech memory 30 for reading and writing subscriber data to an output address of the third multiplexer 110; And a demultiplexer 40 demultiplexing the output of the speech memory 30 to select the delta modulated subscriber's voice data channel by the first counter 20 at the first multiplexer 10. Outputs the sequential write to the speech memory 30 by the output of the third counter 100 and the written data by the read address signal of the control memory 90 under the control of the central processing unit. A channel data decoding circuit of a time switch using speech memory in a delta exchange system that reads the data of < RTI ID = 0.0 >) and demultiplexes in a demultiplexer 40. < / RTI > ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR870000417A 1987-01-20 1987-01-20 Channel Data Decoding Circuit of Time Switch Circuit Using Speech Memory in Delta Modulation Exchange System KR880009487A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR870000417A KR880009487A (en) 1987-01-20 1987-01-20 Channel Data Decoding Circuit of Time Switch Circuit Using Speech Memory in Delta Modulation Exchange System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR870000417A KR880009487A (en) 1987-01-20 1987-01-20 Channel Data Decoding Circuit of Time Switch Circuit Using Speech Memory in Delta Modulation Exchange System

Publications (1)

Publication Number Publication Date
KR880009487A true KR880009487A (en) 1988-09-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR870000417A KR880009487A (en) 1987-01-20 1987-01-20 Channel Data Decoding Circuit of Time Switch Circuit Using Speech Memory in Delta Modulation Exchange System

Country Status (1)

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KR (1) KR880009487A (en)

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