differential negative resistance
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Author(s):  
Imane Halkhams ◽  
Mahmoud Mehdi ◽  
Said Mazer ◽  
Moulhime El Bekkali ◽  
Wafae El Hamdani

This paper relates the new topology and simulations of a fully differential CMOS active filter for mm wave band applications. The advantages of the differential topology over the single ended one are discussed and the quality factor is tuned to insure application requirements, including narrow bandwidth and high selectivity due to a differential negative resistance that reuses the filter’s current. Using this topology enables independent tuning of the quality factor and low power consumption while compensating the resistive loss of the filter. Very high filter performance was obtained with the simulated active inductor based active filter that was designed using CMOS 0.35 µm technology from AMS foundry and that resonates at 30 GHz with a high quality factor of Q > 500.



2016 ◽  
Vol 48 ◽  
pp. 1-6 ◽  
Author(s):  
A. Richelli ◽  
M. Grassi ◽  
J.-M. Redouté


2011 ◽  
Vol 38 (6) ◽  
pp. 757-765 ◽  
Author(s):  
Constantin Roşu ◽  
Doina Manaila-Maximean ◽  
Viorel Cîrcu ◽  
Yann Molard ◽  
Thierry Roisnel


2010 ◽  
Vol 148-149 ◽  
pp. 837-840
Author(s):  
Guo Jing ◽  
Qiu Cheng Jun ◽  
Liu Fang

This single-molecule C60 system with two atomic lines as left input electrode and right output electrode is calculated by simulation using the Green,s function method based on the density function theory. The characteristics of current transmission of single-molecule C60 which include I-V curve, current-temperature changing and transmission spectrum are given. The resonant switching is shown from the single-molecule C60 transmission spectrum, differential negative resistance (NDR) and the high ratio of current peak and current valley are also indicated from the I-V curve. The conclusions can be explained using band theory very well and finally the impact of temperature for current of this C60 single-molecule system is discussed etc.





Author(s):  
Sebastian Popescu ◽  
Erzilia Lozneanu ◽  
Mircea Sanduloviciu






2005 ◽  
Vol 80 (7) ◽  
pp. 1881-1884 ◽  
Author(s):  
Makoto Kuwabara ◽  
Hirofumi Matsuda ◽  
Koichi Hamamoto


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