Shin H. – TechConnect Briefs

Physical Modeling of Substrate Resistance in RF MOSFETs

Han J., Je M., Shin H., Korea Advanced Institute of Science & Technology, KR

A simple and accurate method is presented for extracting the substrate resistance of RF MOSFETs. The extraction results for 0.18 um MOSFETs are shown for various bias conditions. The dependence of the extracted substrate resistances [...]

A Study on Alleviating Deformation of MEMS Structure and Prediction of Residual Stress in Surface Micromachining

Kweon S., Hong S., Shin H., Jeon B., Samsung Advanced Institute of Technology, KR

When MEMS Structure, like RF switch, manufactured in high temperature is cooled down to the room temperature, the difference of the thermal expansion coefficients of structural materials, which are aluminum layer for electrical function and [...]

Physical Modeling of Substrate Resistance in RF MOSFETs

Han J., Je M., Shin H., Korea Advanced Institute of Science & Technology, KR

A simple and accurate method is presented for extracting the substrate resistance of RF MOSFETs. The extraction results for 0.18 um MOSFETs are shown for various bias conditions. The dependence of the extracted substrate resistances [...]

CMOS RF Modeling and Parameter Extraction Approaches Taking Charge Conservation into Account

Je M., Kwon I., Han J., Shin H., Lee K., Korea Advanced Institute of Science and Technology, KR

A charge conserving small-signal equivalent circuit with very simple and accurate parameter extraction method for a three-terminal CMOS RF model is presented. We found that significant errors in circuit performances can be obtained if charge [...]

Modeling and Dynamic Simulation of Electrostatically Driven Micromirror

Kweon S., Lee H., Shin H., Samsung Electronics Co.Ltd., US

Dynamic behavior of the electrostatically driven bi-directional micromirror system was simulated with ANSYS parametric design language. The objective of the study is to construct a dynamic simulation scheme for the transient properties of electrostatically coupled [...]