조명전기설비학회논문지 (Journal of the Korean Institute of Illuminating and Electrical Installation Engineers)

  • 제17권4호
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  • Pages.8-12
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  • 2003
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  • 1229-4691(pISSN)
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  • 2287-5034(eISSN)
한국조명전기설비학회 (The Korean Institute of IIIuminating and Electrical Installation Engineers)
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TO-can 패키지 레이저 다이오드 모듈의 주파수 특성 개선

RF Characteristics of TO-can Packaged FP-LD Optical Transceiver Module

  • 발행 : 2003.07.01
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초록

TO-can 레이저 다이오드를 사용한 광송수신기 모듈의 주파수 대역의 특성을 관찰하였다. 레이저 다이오드의 등가회로를 추출하기 위한 R-L-C변수는 임피던스 분석기를 이용하였다. 칩콘덴서를 사용하여 패키지내의 도선에 의한 인덕턴스 성분과의 임피던스 정합을 시도하였으나 저주파수 대역에서 공진으로 인한 경사가 발견되었다. 표면실장 형으로 소자를 구성하여 사용함으로써 공진주파수를 이동시켜 원하는 주파수 대역에서 공진 경사를 제거할 수 있었다.

Characteristics of optical transceiver module in radio frequency(RF) band were investigated with TO-can packaged Fabry-Perot laser diode(FP-LD). R-L-C parameters for equivalent circuit model of the LD were extracted with an impedance analyzer. With this model, impedance matching to the packaged LD could be performed by eliminating inductive components of the leads in the package by using lumped chip capacitors that have opposite reactance, while it shows resonance dip in low frequency band. The resonance dip could be removed using lumped elements for impedance matching by shifting the resonance frequency to the region out of interest.

키워드

참고문헌

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