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http://dx.doi.org/10.5515/KJKIEES.2013.24.11.1027

A 145 GHz Imaging Detector Based on 65-nm RFCMOS Technology  

Yoon, Daekeun (School of Electrical Engineering, Korea University)
Kim, Namhyung (School of Electrical Engineering, Korea University)
Kim, Dong-Hyun (School of Electrical Engineering, Korea University)
Rieh, Jae-Sung (School of Electrical Engineering, Korea University)
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Abstract
In this work, a D-band imaging detector has been developed in a 65-nm CMOS technology for high frequency imaging application. The circuit was designed based on the resistive self-mixing of MOSFET devices. The fabricated detector exhibits a maximum responsivity of 400 V/W and minimum NEP of 100 $pW/Hz^{1/2}$ at 145 GHz. The chip size is $400{\mu}m{\times}450{\mu}m$ including the probing pads and a balun, while the core of the circuit occupies only $150{\mu}m{\times}100{\mu}m$.
Keywords
Detector; Imaging; CMOS;
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