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디지털 빔 성형(DBF) 을 위한 Ka 대역 수신모듈의 설계 및 제작 원문보기
Development of the Ka-band receiving module at digital beam forming receiver system

  • 저자

    반 성원

  • 학위수여기관

    慶北大學校

  • 학위구분

    국내석사

  • 학과

    전자공학과 전파공학전공

  • 지도교수

  • 발행년도

    2005

  • 총페이지

    58 p.

  • 키워드

    디지털 빔 성형 아테나 DBF안테나;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10045241&outLink=K  

  • 초록

    Design techniques of reliable Ka DBF receiving modules, which can be applicable to digital beam forming receiver systems at Ka-band frequencies, have been developed. The design of the converter modules is based on unit circuit Blocks which consist of Low noise Block and S-Band Block, Local Oscillator and Power divider. This system have 7 channels. The complete module is designed as a cascade layout of the characterized unit circuit Blocks. For these converter modules, even harmonic mixer is used for Ka Down converting. Also, Ku band PLL frequency synthesizer, which Gives LO frequences to even harmonic mixer. S Band Block consist of 2 amplifier, active mixer for system gain budget and 2 filters. The Ka Block performs with the gain of 26 dB, noise figure of 3.5 dB, and input P1 dB of -23 dBm. And S Band Block performs with the gain of 69 dB, noise figure of 1.3 dB, and input P1 dB of -60 dBm.


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