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KR970055805A - Analog subscriber circuit for satellite communication system - Google Patents

Analog subscriber circuit for satellite communication system Download PDF

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Publication number
KR970055805A
KR970055805A KR1019950071066A KR19950071066A KR970055805A KR 970055805 A KR970055805 A KR 970055805A KR 1019950071066 A KR1019950071066 A KR 1019950071066A KR 19950071066 A KR19950071066 A KR 19950071066A KR 970055805 A KR970055805 A KR 970055805A
Authority
KR
South Korea
Prior art keywords
coupled
transformer
switching means
codec
tip
Prior art date
Application number
KR1019950071066A
Other languages
Korean (ko)
Other versions
KR0179205B1 (en
Inventor
이세호
Original Assignee
유기범
대우통신 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 유기범, 대우통신 주식회사 filed Critical 유기범
Priority to KR1019950071066A priority Critical patent/KR0179205B1/en
Publication of KR970055805A publication Critical patent/KR970055805A/en
Application granted granted Critical
Publication of KR0179205B1 publication Critical patent/KR0179205B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)

Abstract

본 발명은 교환기나 전화기등의 다양한 가입자를 수용할 수 있도록 된 위성통신 시스템용 아날로그 가입자회로 관한 것으로서, TIP 및 RING 단자와 T1 및 R1단자를 구비하고, 상기 TIP 및 RING 단자와 제1스위칭수단을 통해 결합된 가입자선로 인터페이스수단과, 상기 가입자선로 인터페이스수단에 제2스위칭수단을 통해 결합된 코덱수단, 상기 TIP 및 RING 단자에 결합된 임피던스 매칭용 제1트랜스포머, 상기 T1 및 R1단자에 결합된 임피던스 매칭용 제2트랜스포머, 상기 제1트랜스포머와 상기 코덱수단 사이에 결합된 제3스위칭수단 및, 상기 제2트랜스포머와 상기 코덱수단 사이에 결합된 제4스위칭수단을 포함하여 구성된 것을 특징으로 한다.The present invention relates to an analog subscriber circuit for a satellite communication system capable of accommodating various subscribers such as an exchange or a telephone. The present invention includes a TIP and RING terminal and a T1 and R1 terminal, and the TIP and RING terminal and the first switching means. Subscriber line interface means coupled through the codec means coupled to the subscriber line interface means via a second switching means, a first transformer for impedance matching coupled to the TIP and RING terminals, coupled to the T1 and R1 terminals And a second switching means for impedance matching, a third switching means coupled between the first transformer and the codec means, and a fourth switching means coupled between the second transformer and the codec means. .

Description

위성통신 시스템용 아날로그 가입자회로Analog subscriber circuit for satellite communication system

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

제1도는 일반적인 위성통신 시스템의 개요를 설명하기 위한 전반적인 시스템 구성도.1 is an overall system configuration for explaining the outline of a general satellite communication system.

제2도는 본 발명의 실시예 1에 따른 위성통신시스템용 아날로그 가입자 접속회로를 나타낸 구성도.2 is a block diagram showing an analog subscriber access circuit for a satellite communication system according to Embodiment 1 of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 인공위성 2 : 중앙제어국1: satellite 2: central control station

3A, 3B : 기지국 11A, 11B : 교환기3A, 3B: base station 11A, 11B: switchboard

12A, 12B : 전화기 13A, 13B : 데이터 터미날12A, 12B: Telephone 13A, 13B: Data Terminal

14A, 14B : 팩시밀리 21 : 안테나14A, 14B: Facsimile 21: Antenna

22 : 직교모드변환기 23 : 저잡음증폭기22: orthogonal mode converter 23: low noise amplifier

24 : 주파수하향변환기 25, 26 : SCPC 채널유니트24: frequency down converter 25, 26: SCPC channel unit

27 : 주파수상향변환기 28 : 고출력증폭기27: frequency up converter 28: high power amplifier

29 : 네트워크제어부 30 : 네트워크 관리시스템29: network control unit 30: network management system

23 : 가입자선로 인터페이스회로 24 : 링발생부23: subscriber line interface circuit 24: ring generator

25 : 코덱 26 : 트랜스포머25: codec 26: transformer

29∼33 : 스위칭부29 to 33: switching unit

Claims (1)

TIP 및 RING 단자와 T1 및 R1단자를 구비하고, 상기 TIP 및 RING 단자와 제1스위칭수단을 통해 결합된 가입자선로 인터페이스수단과, 상기 가입자선로 인터페이스수단에 제2스위칭수단을 통해 결합된 코덱수단, 상기 TIP 및 RING 단자에 결합된 임피던스 매칭용 제1트랜스포머, 상기 T1 및 R1단자에 결합된 임피던스 매칭용 제2트랜스포머, 상기 제1트랜스포머와 상기 코덱수단 사이에 결합된 제3스위칭수단 및, 상기 제2트랜스포머와 상기 코덱수단 사이에 결합된 제4스위칭수단을 포함하여 구성된 것을 특징으로 하는 위성통신 시스템용 아날로그 가입자회로.Codec having a TIP and RING terminal and a T1 and R1 terminal, the subscriber line interface means coupled through the TIP and RING terminal and the first switching means, and the codec coupled to the subscriber line interface means through a second switching means. Means, a first transformer for impedance matching coupled to the TIP and RING terminals, a second transformer for impedance matching coupled to the T1 and R1 terminals, a third switching means coupled between the first transformer and the codec means; And a fourth switching means coupled between the second transformer and the codec means. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950071066A 1995-12-31 1995-12-31 Analog subscriber circuit in satellite communication system KR0179205B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950071066A KR0179205B1 (en) 1995-12-31 1995-12-31 Analog subscriber circuit in satellite communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950071066A KR0179205B1 (en) 1995-12-31 1995-12-31 Analog subscriber circuit in satellite communication system

Publications (2)

Publication Number Publication Date
KR970055805A true KR970055805A (en) 1997-07-31
KR0179205B1 KR0179205B1 (en) 1999-05-15

Family

ID=19448830

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950071066A KR0179205B1 (en) 1995-12-31 1995-12-31 Analog subscriber circuit in satellite communication system

Country Status (1)

Country Link
KR (1) KR0179205B1 (en)

Also Published As

Publication number Publication date
KR0179205B1 (en) 1999-05-15

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