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Using an external tuner-based method, this paper demonstrates a complete millimeter-wave noise characterization and modeling up to 60 GHz for 65-nm MOSFETs for the first time. Due to channel length modulation, the channel noise continues to increase and remains the most important noise source in the millimeter-wave band. Our experimental results further show that, with the downscaling of channel length, the gate resistance has more serious impact on the high-frequency noise parameters than the substrate resistance even in the millimeter-wave frequency.
Microwave Theory and Techniques, IEEE Transactions on (Volume:58 , Issue: 4 )
Date of Publication: April 2010