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1)gate characteristics,Õ¤¼«ÌØÐÔ

2)screen-grid charasteristic,Á±Õ¤¼«ÌØÐÔ

3)grid-drive characteristic,Õ¤¼«Çý¶¯ÌØÐÔ

4)grid characteristic,Õ¤¼«ÌØÐÔÇúÏß

5)grid detection characteristic,Õ¤¼«¼ì²¨ÌØÐÔ

6)mutual characteristic,ÆÁÕ¤ÌØÐÔ

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Based on the hydrodynamic energy transport model, the port electrical characteristics of groovedª²gate PMOSFET¡äs are studied, including gate characteristics, drain characteristics and hotª²carrierª²effects.

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