发明名称 IF SIGNAL LINE PROCESSING METHOD IN DGS-200 SYSTEM BACKPLANE
摘要 An apparatus for processing an intermediate frequency in a DGS-200 system(Demand Assignment Multiple Access/Single Channel Per Carrier Ground System) backplane is disclosed. The apparatus comprises a number of channel unit(401, 401') for inputting and outputting the intermediate frequency; a radio frequency generating unit for transmitting and receiving the signal and connected to a transmitter and receiver; a transmitting and a receiving intermediate filtering units(407 and 415) for filtering the frequency of the signal which is transmitted and received between the channel unit and the radio frequency generating unit; and a backplane PCB for connecting the channel unit to the intermediate frequency filter unit.
申请公布号 KR0119916(B1) 申请公布日期 1997.10.30
申请号 KR19940036974 申请日期 1994.12.23
申请人 KOREA TELECOM CORP.;KOREA ELECTRONICS & TELECOMMUNICATIONS RESEARCH INSTITUTE 发明人 KIM, NAE-SOO
分类号 H03H7/38;(IPC1-7):H03H7/38 主分类号 H03H7/38
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