DC-170 GHz Characterization of 22nm FDSOI Technology for Radar Sensor Applications

M. Sadegh Dadash, S. Bonen, Utku Alakusu, D. Harame, S. Voinigescu
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引用次数: 16

Abstract

The high frequency performance of fully wired 22nm FDSOI n- and p- MOSFETs was measured for the first time up to 170 GHz and 125 °C. Record MAG of 8 and 7 dB, respectively, is reported for n- and p-MOSFETs at 170 GHz, higher than for any other MOSFET technology, and comparable or higher than that of the best SiGe HBTs. Moreover, gm, MAG, fT, and fMAX improve monotonically as the gate length is reduced from 80 to 20 nm, and degrade by only 10-15% from 25 to 125 °C. Novel 4-terminal varactors and series-stacked n-MOSFET cascodes with back-gate control were also characterized to assess their application in VCOs, power amplifiers, single-transistor mixers and modulators. An output power of 14 dBm with 12% peak PAE and 24% drain efficiency were measured for 3- and 4-stack cascode test structures at 80 GHz, without any output matching network.
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雷达传感器应用22nm FDSOI技术的DC-170 GHz特性
首次测量了全有线22nm FDSOI n-和p- mosfet在170 GHz和125°C下的高频性能。据报道,170 GHz的n-和p-MOSFET的MAG分别为8和7 dB,高于任何其他MOSFET技术,与最佳SiGe hbt相当或更高。此外,当栅极长度从80 nm减小到20 nm时,gm、MAG、fT和fMAX单调提高,并且在25°C至125°C时仅下降10-15%。对新型4端变容管和带后门控制的串联堆叠n-MOSFET级联码进行了表征,评估了它们在vco、功率放大器、单晶体管混频器和调制器中的应用。在没有任何输出匹配网络的情况下,在80 GHz下,3层和4层级联码测试结构的输出功率为14 dBm,峰值PAE为12%,漏极效率为24%。
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