대한전자공학회:학술대회논문집 (Proceedings of the IEEK Conference)

대한전자공학회 (The Institute of Electronics and Information Engineers)
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800MHz대 중계기용 고감쇠특성을 갖는 듀플렉서 설계

Design of Repeater Duplexer having High Attenuation Characteristics of 800 MHz band

  • 전동석 (한국전자통신연구원 세라믹 RF 부품팀) ;
  • 한진우 (한국전자통신연구원 세라믹 RF 부품팀) ;
  • 이상석 (한국전자통신연구원 세라믹 RF 부품팀)
  • 발행 : 2000.11.01
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초록

Repeater Duplexer of 800MHz band consists of 4pole transmitter band pass filter, receiver band pass filter and branch circuit. Circuit parameter of Duplexer such as coupled capacitance of equivalent circuit was drawn out and used to coupled line characteristics impedance (Zoo, Zoe) that satisfied resonator condition and attenuation condition. Simulation was carried out by the ADS(Advanced Design System) were obtained good attenuation characteristics (869~894MHz： 65㏈(Min.),824~349MHz： 65㏈(Min.)

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