Transcription of Chapter 2 MOS Transistor Theory - NCU
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Chapter 2 MOS Transistor TheoryJin-Fu LiAdvanced Reliable Systems (ARES) of Electrical EngineeringNational Central UniversityJhongli, TaiwanAdvanced Reliable Systems (ARES) Lab. Jin-Fu Li, EE, NCU2 Introduction I-V Characteristics of MOS Transistors Nonideal I-V Effects Pass Transistor SummaryOutlineAdvanced Reliable Systems (ARES) Lab. Jin-Fu Li, EE, NCU3 MOS Transistor MOS transistors conduct electrical current by using an applied voltage to move charge from the sourceside to the drainside of the device An MOS Transistor is a majority-carrier device In an n-typeMOS Transistor , the majority carriers are electrons In a p-typeMOS Transistor , the majority carriers are holes Threshold voltage It is defined as the voltage at which an MOS device begins to conduct ( turn on ) MOS Transistor symbolsNMOSPMOSA dvanced Reliable Sy
MOS transistors conduct electrical current by using ... ds than expected at high V ds Mobility degradation At high vertical field strengths (V gs/t ox), ... the electron speed will be high enough to break the electron-hole pair. Moreover, the electrons …
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