KR970055828A - Receiving Intermediate Frequency Distribution Device of Satellite Communication System - Google Patents

Receiving Intermediate Frequency Distribution Device of Satellite Communication System Download PDF

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Publication number
KR970055828A
KR970055828A KR1019950067461A KR19950067461A KR970055828A KR 970055828 A KR970055828 A KR 970055828A KR 1019950067461 A KR1019950067461 A KR 1019950067461A KR 19950067461 A KR19950067461 A KR 19950067461A KR 970055828 A KR970055828 A KR 970055828A
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KR
South Korea
Prior art keywords
value
intermediate frequency
communication system
resistance
satellite communication
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KR1019950067461A
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Korean (ko)
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KR0179602B1 (en
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이충섭
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유기범
대우통신 주식회사
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Priority to KR1019950067461A priority Critical patent/KR0179602B1/en
Publication of KR970055828A publication Critical patent/KR970055828A/en
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Publication of KR0179602B1 publication Critical patent/KR0179602B1/en

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    • 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
    • H04B7/18517—Transmission equipment in earth stations
    • 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
    • H04B7/18519—Operations control, administration or maintenance

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)

Abstract

본 발명은 인공위성을 이용한 통신 시스템에 있어서 수신된 주파수신호의 중간주파수를 두수개로 분배함으로써 수신장치의 다중화에 대응할 수 있도록 된 위성통신 시스템의 수신 중간주파수 분배장치에 관한 것으로서, 입력되는 중간주파수신호를 소정의 레벨로 감쇠하기 위한 감쇠수단과, 상기 감쇠수단에 의해 감쇠된 신호를 증폭하는 증폭수단 및, 상기 증폭수단에 의해 증폭된 중간주파수신호를 다수의 중간주파수신호로 분배하여 출력하는 분배수단을 포함하여 구성된 위성통신 시스템의 수신 중간주파수 분배장치에 있어서, 상기 증폭수단으로의 전원공급라인에 설치되어 있는 저항수단, 상기 저항수단의 양단간의 전압치를 비교하여 저항수단에 의한 전압강하치가 제1값 이하인 것을 검출하는 제1비교수단, 상기 저항수단의 양단간의 전압치를 비교하여 저항수단에 의한 전압강하치가 상기 제1값 보다 큰 제2값 이상인 것을 검출하는 제2비교수단, 상기 제1 및 제2비교수단의 출력레벨에 따라 상기 증폭수단으로 인가되는 동작전원의 공급을 단속하기 위한 스위칭수단을 포함하여 구성된 것을 특징으로 한다.The present invention relates to a receiving intermediate frequency distribution device of a satellite communication system that can cope with multiplexing of a receiving device by dividing two intermediate frequencies of a received frequency signal in a satellite communication system. Attenuation means for attenuating to a predetermined level, amplifying means for amplifying the signal attenuated by the attenuation means, and distribution means for distributing and outputting an intermediate frequency signal amplified by the amplifying means into a plurality of intermediate frequency signals. A receiving intermediate frequency distribution apparatus of a satellite communication system, comprising: a resistance value provided in a power supply line to the amplification means, and a voltage drop value of the resistance means by comparing a voltage value between both ends of the resistance means; First comparison means for detecting the following, and a voltage value between both ends of said resistance means Comparing the second power supply means for detecting that the voltage drop value by the resistance means is greater than or equal to the second value greater than the first value, and the operating power applied to the amplification means according to the output levels of the first and second comparison means. And a switching means for interrupting the supply.

Description

위성통신 시스템의 수신 중간주파수 배합장치Receiving Intermediate Frequency Mixer in Satellite Communication System

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

제4도는 본 발명의 1실시예에 따른 위성통신 시스템의 수신 중간주파수 분합장치를 나타낸 회로구성도.Figure 4 is a circuit diagram showing a receiving intermediate frequency divider in a satellite communication system according to an embodiment of the present invention.

Claims (2)

입력되는 중간주파수신호를 소정의 레벨로 감쇠하기 위한 감쇠수단과, 상기 감쇠수단에 의해 감쇠된 신호를 증폭하는 증폭수단 및, 상기 증폭수단에 의해 증폭된 중간주파수신호를 다수의 중간주파수신호로 분배하여 출력하는 분배수단을 포함하여 구성된 위성통신 시스템의 수신 중간주파수 분배장치에 있어서, 상기 증폭수단으로의 전원공급라인에 설치되어 있는 저항수단, 상기 저항수단의 양단간의 전압치를 비교하여 저항수단에 의한 전압강하치가 제1값 이하인 것을 검출하는 제1비교수단, 상기 저항수단의 양단간의 전압치를 비교하여 저항수단에 의한 전압강하치가 상기 제1값 보다 큰 제2값 이상인 것을 이상인 것을 검출하는 제2비교수단, 상기제1 및 제2비교수단의 출력레벨에 따라 상기 증폭수단으로 인가되는 동작전원의 공급을 단속하기 위한 스위칭수단을 포함하여 구성된 것을 특징으로 하는 위성통신 시스템의 수신 중간주파수 분배 장치.Attenuation means for attenuating the input intermediate frequency signal to a predetermined level, amplifying means for amplifying the signal attenuated by the attenuation means, and distributing the intermediate frequency signal amplified by the amplifying means into a plurality of intermediate frequency signals. In the receiving intermediate frequency distribution apparatus of the satellite communication system comprising a distribution means for outputting by means of: resistance means provided in the power supply line to the amplification means, by comparing the voltage value between both ends of the resistance means by the resistance means A first comparison means for detecting that the voltage drop value is less than or equal to the first value, and a second comparison for detecting that the voltage drop value by the resistance means is greater than or equal to the second value greater than the first value by comparing the voltage values between both ends of the resistance means. To control the supply of operating power applied to said amplifying means in accordance with the output level of said means and said first and second comparing means Reception intermediate frequency distribution apparatus of a satellite communication system, characterized in that it comprises a switching means for. 제1항에 있어서, 상기 제1 및 제2비교수단에 의해 상기 저항수단에 의한 전압강하치가 제1값 이하 또는 제2값 이상으로 검출된 경우에는 전원이상임을 나타내는 이상신호를 출력하는 이상신호출력수단을 추가로 포함하여 구성된 것을 특징으로 하는 위성통신 시스템의 수신 중간주파수 분배장치.2. The abnormal signal output according to claim 1, wherein when the voltage drop value of the resistance means is detected by the first and second comparing means to be less than the first value or more than the second value, an abnormal signal outputting an abnormal signal indicating that the power supply is abnormal. A receiving intermediate frequency distribution apparatus for a satellite communication system, characterized in that it further comprises a means. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950067461A 1995-12-29 1995-12-29 If frequency distributing device in satellite communication system KR0179602B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950067461A KR0179602B1 (en) 1995-12-29 1995-12-29 If frequency distributing device in satellite communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950067461A KR0179602B1 (en) 1995-12-29 1995-12-29 If frequency distributing device in satellite communication system

Publications (2)

Publication Number Publication Date
KR970055828A true KR970055828A (en) 1997-07-31
KR0179602B1 KR0179602B1 (en) 1999-05-15

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KR1019950067461A KR0179602B1 (en) 1995-12-29 1995-12-29 If frequency distributing device in satellite communication system

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