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Transconductance (gm) enhancement in n-type and p-type nanowire field-effect-transistors (nwFETs) is demonstrated by introducing controlled tensile strain into channel regions by pattern dependant oxidation (PADOX). Values of gm are enhanced relative to control devices by a factor of 1.5 in p-nwFETs and 3.0 in n-nwFETs. Strain distributions calculated by a three-dimensional molecular dynamics simulation...
Simple ring-oscillator circuit has been used to estimate the degradation in circuit performance due to negative bias temperature instability (NBTI) effect but it fails to isolate the degradation from the NBTI for PMOS and the positive bias temperature instability (PBTI) for NMOS in high-K dielectric/metal gate CMOS technology. In this paper, we propose new circuit structures which monitor the NBTI...
We have observed new charge trapping phenomena in sub-80-nm DRAM recessed- channel-array-transistor (RCAT) after Fowler-Nordheim (FN) stress. Gate stack process strongly affected the charge trapping and the trap generating in oxide bulk and interface of RCAT. According to the trapped charges and/or the generated traps after FN stress, the data retention time and writing capabilities of DRAM were dramatically...
The way of on-board digital signal processing based on FPGA is studied. It contains requirement analysis of the on-board processing functional specifications, an on-board real-time digital signal processing system is designed with radiation tolerant FPGA. The design takes full advantage of the massively parallel architecture of the FPGA logic slices to achieve real-time processing at a high data rate,...
This paper studies efficient complex valued matrix manipulations for multi-user STBC-MIMO decoding. A novel method called Alamouti blockwise analytical matrix inversion (ABAMI) is proposed for the inversion of large complex matrices that are based on Alamouti sub-blocks. Another method using a variant of Givens rotation is proposed for fast QR decomposition of this kind of matrices. Our solutions...
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