Journal of Advanced Marine Engineering and Technology

The Korean Society of Marine Engineering (한국마린엔지니어링학회)
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A Highly Integrated HBT Downconverter MMIC for Application to One-chip RF tranceiver solution

One-chip 고주파 단말기에의 응용을 위한 고집적 HBT 다운컨버터 MMIC

  • 윤영 (한국해양대학교 전파공학과)
  • Published : 2007.09.30
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Abstract

In this work, a highly integrated downconverter MMIC employing HBT(heterojunction bipolar transistor) was developed for application to one chip tranceiver solution of Ku-band commercial wireless communication system. The downconverter MMIC (monolithic microwave integrated circuit) includes mixer filter. amplifier and input/output matching circuit. Especially, spiral inductor structures employing SiN film were used for a suppression of LO and its second harmonic leakage signals. Concretely, they were properly designed so that the self-resonance frequency was accurately tuned to LO and its second harmonic frequency, and they were integrated on the downconverter MMIC.

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References

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