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Kim, Kyung Myun,Yoon, Kwang Sub 대한전자공학회 1996 APCCAS:Asia Pacific Conference on Circuits And Sys Vol.1 No.1
This paper describes an 8-bit CMOS current-mode folding and interpolation A/D converter(ADC) with three-level folding amplifiers. A three-level folding amplifier is designed not only to reduce the number of reference current sources, but also to enhance the efficiency of the folding block. A delay time error correction circuit which requires only simple digital circuits is designed to make delay time error correction between a coarse quantizer and a fine quantizer used. The simulation results illustrate a conversion rate of 42MSamples/s and a power dissipation of 30mW at SV supply voltage. The active chip area occupies small area of 2.2mm×1.6mm in a 1.5pm CMOS technology.
Dynamic Deformation Behavior of Aluminum Alloys Under High Strain Rate Compressive/Tensile Loading
Ouk Sub Lee,Guan Hee Kim,Myun Soo Kim,Jai Sug Hwang 대한기계학회 2003 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.17 No.6
Mechanical properties of the materials used for transportations and industrial machinery under high strain rate loading conditions such as seismic loading are required to provide appropriate safety assessment to these mechanical structures. The Split Hopkinson Pressure Bar (SHPB) technique with a special experimental apparatus can be used to obtain the material behavior under high strain rate loading conditions. In this paper, dynamic deformation behaviors of the aluminum alloys such as AI2024-T4. A16061T-6 and A17075-T6 under both high strain rate compressive and tensile loading conditions are determined using the SH PB technique.
Dynamic Deformation Behavior of Aluminum Alloys Under High Strain Rate Compressive/Tensile Loading
Lee, Ouk-Sub,Kim, Guan-Hee,Kim, Myun-Soo,Hwang, Jai-Sug The Korean Society of Mechanical Engineers 2003 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.17 No.6
Mechanical properties of the materials used for transportations and industrial machinery under high strain rate loading conditions such as seismic loading are required to provide appropriate safety assessment to these mechanical structures. The Split Hopkinson Pressure Bar (SHPB) technique with a special experimental apparatus can be used to obtain the material behavior under high strain rate loading conditions. In this paper, dynamic deformation behaviors of the aluminum alloys such as A12024-T4, A1606 IT-6 and A17075-T6 under both high strain rate compressive and tensile loading conditions are determined using the SHPB technique.
이억섭(Ouk Sub Lee),김면수(Myun Soo Kim) 대한기계학회 2001 대한기계학회 춘추학술대회 Vol.2001 No.3
The Split Hopkinson Pressure Bar(SHPB) technique, a special experimental apparatus, has been used to obtain the material behavior under high strain rate loading condition. In this paper, dynamic deformation behaviors of the PMMA under high strain rate compressive loading are determined using SHPB technique.