Energy band diagram

829 views 26 slides Aug 12, 2019
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About This Presentation

Energy Band Diagram


Slide Content

Energy Band Diagram
Mr.B.Kannan, RIT 1

Mr.B.Kannan, RIT 2

V
G = 0
Mr.B.Kannan, RIT 3

Mr.B.Kannan, RIT 4

Mr.B.Kannan, RIT 5

MOS Structure
Mr.B.Kannan, RIT 6

Depletion and Inversion Mode
Mr.B.Kannan, RIT 7

Current Voltage Characteristics of MOSFET
When V
GS < V
T
Mr.B.Kannan, RIT 8

Current Voltage Characteristics of
MOSFET
When V
GS > V
T
Mr.B.Kannan, RIT 9

Channel Geometry of MOSFET
Mr.B.Kannan, RIT 10

I-V Characteristics of MOSFET
Mr.B.Kannan, RIT 11

Channel Pinch-off in MOSFET
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Channel Length Modulation
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Equivalent Circuit Model of JFET
Mr.B.Kannan, RIT 14

Small-signal Equivalent Circuit Model of
JFET
Without r
s
With r
s
Mr.B.Kannan, RIT 15

Small-signal Equivalent Circuit at High
Frequency
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N-channel MOSFET with inherent
resistances and capacitances
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Small-signal equivalent circuit of a
common source N-channel MOSFET
Mr.B.Kannan, RIT 18

Simplified small-signal equivalent circuit
of MOSFET at low frequency
Mr.B.Kannan, RIT 19

Small-signal equivalent of MOSFET at
high frequency
Mr.B.Kannan, RIT 20

Types of MOSFET
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Construction of Dual-Gate MOSFET
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FinFET
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Double-gate MOS Structures
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Construction of FinFET
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Mr.B.Kannan, RIT 26
References:
David A.Bell, “Electric Circuits and Electronic Devices”Oxford University Press, 2012.