lecture15-mosfet-primer

lecture15-mosfet-primer - MOSFET PRIMER Sameer Sonkusale

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MOSFET PRIMER Sameer Sonkusale http://nanolab.ece.tufts.edu
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2 EE12: MOSFET PRIMER Sameer Sonkusale MOSFET ¾ Metal Oxide Semiconductor Field Effect Transistor Gate electrode is used to control the electric field in the channel region – which in turn controls the flow of charges between source and drain
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3 EE12: MOSFET PRIMER Sameer Sonkusale Quick Look At MOS Vs BJT Structure In BJT, current conduction is due to both holes and electrons – hence the name Bipolar Transistor In MOSFET, current conduction is due to one carrier – either holes or electrons
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4 EE12: MOSFET PRIMER Sameer Sonkusale Dissecting the MOSFET Structure • Source-Drain are either p-type or n-type • Gate is metal or polysilicon
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5 EE12: MOSFET PRIMER Sameer Sonkusale Views and Types of MOSFET N-channel MOSFET NMOS P-channel MOSFET PMOS
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6 EE12: MOSFET PRIMER Sameer Sonkusale NMOS as a switch
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7 EE12: MOSFET PRIMER Sameer Sonkusale PMOS as a switch
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8 EE12: MOSFET PRIMER Sameer Sonkusale N-channel MOSFET and P-channel MOSFET on same Substrate
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lecture15-mosfet-primer - MOSFET PRIMER Sameer Sonkusale

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