KR970055816A - Dual receiving intermediate frequency distribution device of satellite communication system - Google Patents

Dual receiving intermediate frequency distribution device of satellite communication system Download PDF

Info

Publication number
KR970055816A
KR970055816A KR1019950071079A KR19950071079A KR970055816A KR 970055816 A KR970055816 A KR 970055816A KR 1019950071079 A KR1019950071079 A KR 1019950071079A KR 19950071079 A KR19950071079 A KR 19950071079A KR 970055816 A KR970055816 A KR 970055816A
Authority
KR
South Korea
Prior art keywords
intermediate frequency
amplifying
frequency signal
output
communication system
Prior art date
Application number
KR1019950071079A
Other languages
Korean (ko)
Other versions
KR0179600B1 (en
Inventor
이충섭
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 KR1019950071079A priority Critical patent/KR0179600B1/en
Publication of KR970055816A publication Critical patent/KR970055816A/en
Application granted granted Critical
Publication of KR0179600B1 publication Critical patent/KR0179600B1/en

Links

Landscapes

  • Radio Relay Systems (AREA)

Abstract

본 발명은 인공위성을 이용한 통신 시스템에 있어서 수신된 주파수신호의 중간주파수를 다수개로 분배해주는 수신 중간주파수 분배장치에 관한 것으로서, 입력되는 중간주파수신호를 소정의 레벨로 감쇠하기 위한 감쇠수단과, 상기 감쇠수단에 의해 감쇠된 중간주파수신호를 제1 및 제2의 중간주파수신호로 분리하는 중간주파수분리수단, 상기 중간주파수분리수단에 의해 분리되어 출력되는 제1 및 제2중간주파수신호를 각각 증폭하는 제1 및 제2증폭수단, 선택신호에 따라 상기 제1 및 제2증폭수단으로부터 출력되는 중간주파수신호를 선택적으로 출력하는 스위칭수단 및, 상기 스위칭수단으로부터 출력되는 중간주파수신호를 다수의 중간주파수신호로 분배하여 출력하는 분배수단을 포함하여 구성된 것을 특징으로 한다.The present invention relates to a reception intermediate frequency distribution device for distributing a plurality of intermediate frequencies of a received frequency signal in a satellite communication system, the attenuation means for attenuating an input intermediate frequency signal to a predetermined level, and the attenuation means. Intermediate frequency separation means for separating the intermediate frequency signal attenuated by the means into first and second intermediate frequency signals, and amplifying the first and second intermediate frequency signals separated and output by the intermediate frequency separation means, respectively. First and second amplifying means, switching means for selectively outputting an intermediate frequency signal output from the first and second amplifying means in accordance with a selection signal, and an intermediate frequency signal output from the switching means into a plurality of intermediate frequency signals. Characterized in that it comprises a distribution means for distributing and outputting.

Description

위성통신 시스템의 이중화된 송신 중간주파수 분배장치Dual Transmission Intermediate Frequency Distribution Device of 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 이중화된 송신 중간주파수 분배장치를 나타낸 회로구성도.4 is a circuit diagram showing a redundant transmission intermediate frequency distribution apparatus of the satellite communication system according to an embodiment of the present invention.

Claims (3)

입력되는 중간주파수신호를 소정의 레벨로 감쇠하기 이한 감쇠수단과, 상기 감쇠수단에 의해 감쇠된 중간주파수신호를 제1 및 제2의 중간주파수신호로 분리하는 중간주파수분리수단, 상기 중간주파수분리수단에 의해 분리되어 출력되는 제1 및 제2중간주파수신호를 각각 증폭하는 제1 및 제2증폭수단, 선택신호에 따라 상기 제1 및 제2증폭수단으로부터 출력되는 중간주파수신호를 선택적으로 출력하는 스위칭수단 및, 상기 스위칭수단으로부터 출력되는 중간주파수신호를 다수의 중간주파수신호로 분배하여 출력하는 분배수단을 포함하여 구성된 것을 특징으로 하는 위성통신 시스템의 이중화된 수신 중간주파수 분배장치.Attenuation means for attenuating the input intermediate frequency signal to a predetermined level, intermediate frequency separation means for separating the intermediate frequency signal attenuated by the attenuation means into first and second intermediate frequency signals, and the intermediate frequency separation means. First and second amplifying means for amplifying the first and second intermediate frequency signals separated and output by the switching unit, and selectively switching the intermediate frequency signal output from the first and second amplifying means according to a selection signal. Means and a distribution means for distributing and outputting the intermediate frequency signal output from the switching means into a plurality of intermediate frequency signals. 제1항에 있어서, 상기 제1 및 제2증폭수단으로 공급되는 동작전원의 이상상태를 각각 검출하여 이상이 발생되면 해당 증폭수단으로 공급되는 동작전원을 자동으로 차단하는 제1 및 제2전류검출수단을 추가로 포함하여 구성된 것을 특징으로 하는 위성통신 시스템의 이중화된 수신 중간주파수 분배장치.The method of claim 1, wherein the first and second current detections respectively detect abnormal conditions of the operating power supplied to the first and second amplifying means, and automatically cut off the operating power supplied to the corresponding amplifying means. The redundant receiving intermediate frequency distribution apparatus of the satellite communication system, characterized in that it further comprises a means. 제2항에 있어서, 상기 제1 및 제2전류검출수단은 동작전원의 이상상태를 나타내는 이상 신호를 출력하도록 구성된 것을 특징으로 하는 위성통신 시스템의 이중화된 수신 중간주파수 분배장치.3. The redundant receiving intermediate frequency distribution apparatus of claim 2, wherein the first and second current detecting means are configured to output an abnormal signal indicating an abnormal state of an operating power source. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950071079A 1995-12-31 1995-12-31 Received if frequency distribution device in satellite communication system KR0179600B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950071079A KR0179600B1 (en) 1995-12-31 1995-12-31 Received if frequency distribution device in satellite communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950071079A KR0179600B1 (en) 1995-12-31 1995-12-31 Received if frequency distribution device in satellite communication system

Publications (2)

Publication Number Publication Date
KR970055816A true KR970055816A (en) 1997-07-31
KR0179600B1 KR0179600B1 (en) 1999-05-15

Family

ID=19448838

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950071079A KR0179600B1 (en) 1995-12-31 1995-12-31 Received if frequency distribution device in satellite communication system

Country Status (1)

Country Link
KR (1) KR0179600B1 (en)

Also Published As

Publication number Publication date
KR0179600B1 (en) 1999-05-15

Similar Documents

Publication Publication Date Title
KR960006357A (en) Output power control circuit and aerial commoner of mobile communication device
NO306889B1 (en) Device for controlling a combination filter, and method for isolation measurement on radio transmitters
KR900004219A (en) Surround decoder
EA199800310A1 (en) TRANSMITTER DEVICE WITH SWITCHING TO A BACKUP TRANSMITTER
GB1460165A (en) Detection of discharges in metal-clad installations ignition distributor for internal combustion engine
KR970055816A (en) Dual receiving intermediate frequency distribution device of satellite communication system
ATE105980T1 (en) FM BROADCASTING RECEIVER.
KR970055825A (en) Dual Transmission Intermediate Frequency Combination System of Satellite Communication System
US4115668A (en) Echo suppressor with SF transmission and regeneration
KR910005054A (en) Radio frequency signal detection method and apparatus
JPS5696545A (en) Transmission/reception system for specific program broadcast
WO2000028335A3 (en) Connection detection circuit apparatus and method
JPS5639655A (en) N-to-one stand-by switching system of radio digital transmission
KR970055828A (en) Receiving Intermediate Frequency Distribution Device of Satellite Communication System
KR970055829A (en) Transmission intermediate frequency combination device of satellite communication system
KR970057595A (en) Forced Stereo Units in Television Receivers
KR960028345A (en) Stereo / mono forced switching device of television receiver
RU2108670C1 (en) Communication channel monitoring device
KR880012062A (en) Communication system using unbalanced channel
KR890000163B1 (en) Automatic signal modulation and signal control circuit
JPS5535585A (en) Multiple sound signal reception device
KR970055827A (en) Receiving Intermediate Frequency Distribution Device of Satellite Communication System
JPH06318917A (en) Remote supervisory system for broadcasting system
KR950022220A (en) Outdoor connection device of low speed data terminal terminal station
KR950022772A (en) Malfunction prevention circuit when 3-image no-signal of system is selected

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20071026

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee