Beyond 110 GHz InP-HEMT Based Mixer Module Using Flip-Chip Assembly for Precise Spectrum Analysis

Shoichi SHIBA, Masaru SATO, Hiroshi MATSUMURA, Yoichi KAWANO, Tsuyoshi TAKAHASHI, Toshihide SUZUKI, Yasuhiro NAKASHA, Taisuke IWAI, Naoki HARA

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Summary :

A wide-bandwidth fundamental mixer operating at a frequency above 110GHz for precise spectrum analysis was developed using the InP HEMT technology. A single-ended resistive mixer was adopted for the mixer circuit. An IF amplifier and LO buffer amplifier were also developed and integrated into the mixer chip. As for packaging into a metal block module, a flip-chip bonding technique was introduced. Compared to face-up mounting with wire connections, flip-chip bonding exhibited good frequency flatness in signal loss. The mixer module with a built-in IF amplifier achieved a conversion gain of 5dB at an RF frequency of 135GHz and a 3-dB bandwidth of 35GHz. The mixer module with an LO buffer amplifier operated well even at an LO power of -20dBm.

Publication
IEICE TRANSACTIONS on Electronics Vol.E98-C No.12 pp.1112-1119
Publication Date
2015/12/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E98.C.1112
Type of Manuscript
Special Section PAPER (Special Section on Terahertz Waves Coming to the Real World)
Category

Authors

Shoichi SHIBA
  Fujitsu Limited,Fujitsu Laboratories Ltd.
Masaru SATO
  Fujitsu Limited,Fujitsu Laboratories Ltd.
Hiroshi MATSUMURA
  Fujitsu Limited,Fujitsu Laboratories Ltd.
Yoichi KAWANO
  Fujitsu Limited,Fujitsu Laboratories Ltd.
Tsuyoshi TAKAHASHI
  Fujitsu Limited,Fujitsu Laboratories Ltd.
Toshihide SUZUKI
  Fujitsu Limited,Fujitsu Laboratories Ltd.
Yasuhiro NAKASHA
  Fujitsu Limited,Fujitsu Laboratories Ltd.
Taisuke IWAI
  Fujitsu Limited
Naoki HARA
  Fujitsu Limited,Fujitsu Laboratories Ltd.

Keyword

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