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A 220 GHz Single-Chip Receiver MMIC With Integrated Antenna

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8 Author(s)
Gunnarsson, S.E. ; Chalmers Univ. of Technol., Goteborg ; Wadefalk, N. ; Svedin, J. ; Cherednichenko, S.
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This letter presents the design and characterization of a 220 GHz microstrip single-chip receiver monolithic microwave integrated circuit (MMIC) with an integrated antenna in a 0.1 mum GaAs metamorphic high electron mobility transistor technology. The receiver MMIC consists of a novel slot-square substrate lens feed antenna, a three-stage low noise amplifier, and a sub-harmonically pumped resistive mixer. The receiver MMIC is mounted on a 12 mm silicon substrate lens which focuses the radiation from the calibration loads to the on-chip antenna through an opening in the backside metallization of the MMIC. The double sideband noise figure of this quasioptical receiver is as low as 8.4 dB (1750 K) at 220 GHz including the losses in the antenna and in the lens. To the best of the authors' knowledge, this work demonstrates the highest integration level versus operating frequency for a MMIC ever published, regardless of technology.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:18 ,  Issue: 4 )

Date of Publication:

April 2008

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