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http://dx.doi.org/10.5515/KJKIEES.2009.20.1.029

60 GHz WPAN LNA and Mixer Using 90 nm CMOS Process  

Kim, Bong-Su (Electronics and Telecommunication Research Institute)
Kang, Min-Soo (Electronics and Telecommunication Research Institute)
Byun, Woo-Jin (Electronics and Telecommunication Research Institute)
Kim, Kwang-Seon (Electronics and Telecommunication Research Institute)
Song, Myung-Sun (Electronics and Telecommunication Research Institute)
Publication Information
Abstract
In this paper, the design and implementation of LNA and down-mixer using 90 nm CMOS process are presented for 60 GHz band WPAN receiver. In order to extract characteristics of the transistor used to design each elements under the optimum bias conditions, the S-parameter of the manufactured cascode topology was measured and the effect of the RF pad was removed. Measured results of 3-stages cascode type LNA the gain of 25 dB and noise figure of 7 dB. Balanced type down-mixer with a balun at LO input port shows the conversion gain of 12.5 dB within IF frequency($8.5{\sim}11.5\;GHz$) and input PldB of -7 dBm. The size and power consumption of LNA and down-mixer are $0.8{\times}0.6\;mm^2$, 43 mW and $0.85{\times}0.85\;mm^2$, 1.2 mW, respectively.
Keywords
60 GHz; WPAN; CMOS; LNA; Mixer;
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