The low conversion loss and LO power V-band MIMIC Up-mixer(Session A2 Compound Semiconductor Devices I)(2004 Asia-Pacific Workshop on Fundamentals and Application of Advanced Semiconductor Devices (AWAD 2004))

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In this paper, we present MIMIC(Millimeter-wave Monolithic Integrated Circuit) up-mixer with low conversion loss and LO power which are designed and fabricated for the V-band transmitter applications. The up-mixer was successfully integrated by using 0.1 μm GaAs pseudomorphic HEMTs(PHEMTs) and coplanar waveguide (CPW) structures. The circuit is designed to operate at RF frequencies of 60.4 GHz, IF frequencies of 2.4 GHz, and LO frequencies of 58 GHz. The fabricated MIMIC up-mixer size is 2.3m×1.6mm. The measured results show that the low conversion loss of 1.25 dB when input signal is -10.25 dBm at LO power of 5.4 dBm. The LO-to-RF isolation is 13.2 dB at 58 GHz. When applying low LO power, the fabricated V-band up-mixer represents lower conversion loss characteristics than previous reported millimeter-wave up-mixers.
社団法人電子情報通信学会の論文
2004-06-23