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We propose an overview of our works on carbon nanotube field effect transistors (CNTFETs) which are well suited for high frequency applications. Using single-walled carbon nanotube (SWNT) samples containing 99% pure semiconducting SWNTs, we have achieved operating frequency above 80 GHz. This record frequency does not require aligned SWNTs, thus demonstrating the remarkable potential of networks of...
CNFETs have been characterized under large signal conditions at 600 MHz with an original active load pull setup using a LSNA. A non linear model of CNFET has been established and validated by comparison with the experimental results. Using this non linear model, design of circuits can be considered, allowing the optimization in non linear behavior.
We report for the first time to our knowledge large-signal measurements performed at 600 MHz and in time domain on carbon nanotube field-effect transistors (CNFETs) using a large-signal network analyzer. To overcome the very high mismatch between the high CNFET impedance and the basic 50-Omega configuration of the setup, the output impedance was matched with the help of an experimental active load-pull...
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