Nanyang Technological University – Page 7 – TechConnect Briefs

Studies on a DNA Double Helicoidal Structure Immersed in Viscous Bio-Fluid

Lim C.W., Shu J-J, Nanyang Technological University, SG

The paper aims at extending, utilising and generalising research in nonlinear dynamics of (i) spiral/helicoidal structures, and (ii) viscous, low speed fluid to biomechanical DNA fluid-structure interaction. Employing a nonlinear helicoidal model, the energy stored [...]

Physically-Based Approach to Deep-Submicron MOSFET Compact Model Parameter Extraction

Chiah S.B., Zhou X., Lim K.Y., See A., Chan L., Nanyang Technological University, SG

This paper demonstrates a physically-based approach to parameter extraction of the compact Ids model we have developed for deep-submicron technology development. A two-iteration parameter-extraction scheme is described, which improves the previous one-iteration approach. Parameter calibration [...]

Xsim: A Compact Model for Bridging Technology Developers and Circuit Designers

Zhou X., Nanyang Technological University, SG

This paper describes the ideas and philosophy behind a new compact model (CM) for deep-submicron MOSFETs, called Xsim, which has been developed from scratch over the past few years. Similarities to and differences from existing [...]

Viscous Dissipation Effects For Liquid Flow In Microchannels

Xu B., Ooi K.T., Mavriplis C., Zaghloul M.E., Nanyang Technological University, SG

Different phenomena have been observed in various works indicating that the mechanisms of flow and heat transfer in microchannels are still not understood clearly. There is little experimental data and theoretical analysis in the literature [...]

A New Approach for the Extraction of Threshold Voltage for MOSFET’s

Wong J.S., Ma J.G., Yeo K.S., Do M.A., Nanyang Technological University, SG

A new approach for the extraction of threshold voltage (Vth) is proposed, namely, the "Third Derivative of Drain-Source Current" method or simply "TD" method. This method extracts the Vth by finding the Vgs where the [...]

Modeling of Antipodal/BCSSS Transition for Millimeter Wave Finline High Q Local Injected Mixer

Sia E.K., Fu J.S., Lu C., Tan S.H., Nanyang Technological University, SG

Millimeter-wave application in intelligent vehicle sensor and others has been in great demand recently for it's small size, high data rate and high resolution property. In this paper, we report our design and simulation of [...]

Broadband Millimeter Wave Finline Antenna Simulation and Performance

Fu J.S., Ng C.L., Kwang Y., Sia E.K., Lu C., Nanyang Technological University, SG

Analysis on fin line antenna with broadband and tolerable VSWR characteristic was done. Emphasis were placed in the formulation of the taper equations for the transmission fin line and radiation section and verification of good [...]

A Simplified Approach for Noise Parameter Transformation Between Common Emitter and Common Base InP DHBT

Xiong Y.Z., Ng G.I., Wang H., Tan C.L., Yang H., Nanyang Technological University, SG

A new approach, based on the typical T-model of InP DHBT, has been developed which uses only a simple set of formulas to transform noise parameters between common emitter and common base configurations. The calculated [...]

Semi-Empirical Approach to Modeling Reverse Short-Channel Effect in Submicron MOSFET’s

Chiah S.B., Zhou X., Lim K.Y., Wang Y., See A., Chan L., Nanyang Technological University, SG

A model for effective channel doping in submicron LDD nMOSFET's is presented by adding the effect of the lateral nonuniform pile-up charge centroid to the Gaussian profile with peak doping near the edge of the [...]

An Accurate Photodiode Model for DC and High Frequency SPICE Circuit Simulation

Swe T.N., Yeo K.S., Nanyang Technological University, SG

An accurate photodiode model for DC as well as high frequency SPICE circuit simulation is presented in this paper. The accuracy of the proposed model is verified with the measured data obtained from two different [...]

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