PPT MOSFET & MOS Capacitor - Electronic Devices - Electronics and Communication

 Page 1


MOSFET
Page 2


MOSFET
Advantages and Applications of 
MOSFET
Advantages
• It can be made very small
• Occupy less space in VLSI Circuits
• No resistors, capacitors and diodes are required in VLSI 
Circuits
• High input impedance compared to BJT
• Current Controlled device
Applications
• Amplifying and switching devices
• Microprocessors
• laptops
Page 3


MOSFET
Advantages and Applications of 
MOSFET
Advantages
• It can be made very small
• Occupy less space in VLSI Circuits
• No resistors, capacitors and diodes are required in VLSI 
Circuits
• High input impedance compared to BJT
• Current Controlled device
Applications
• Amplifying and switching devices
• Microprocessors
• laptops
Types of MOSFET Devices
The MOSFET is classified into two types such as;
• Depletion mode MOSFET
• Enhancement mode MOSFET
Page 4


MOSFET
Advantages and Applications of 
MOSFET
Advantages
• It can be made very small
• Occupy less space in VLSI Circuits
• No resistors, capacitors and diodes are required in VLSI 
Circuits
• High input impedance compared to BJT
• Current Controlled device
Applications
• Amplifying and switching devices
• Microprocessors
• laptops
Types of MOSFET Devices
The MOSFET is classified into two types such as;
• Depletion mode MOSFET
• Enhancement mode MOSFET
Basic Structure of MOS Capacitor
Page 5


MOSFET
Advantages and Applications of 
MOSFET
Advantages
• It can be made very small
• Occupy less space in VLSI Circuits
• No resistors, capacitors and diodes are required in VLSI 
Circuits
• High input impedance compared to BJT
• Current Controlled device
Applications
• Amplifying and switching devices
• Microprocessors
• laptops
Types of MOSFET Devices
The MOSFET is classified into two types such as;
• Depletion mode MOSFET
• Enhancement mode MOSFET
Basic Structure of MOS Capacitor
MOS Capacitor Under Bias: Electric Field and
Charge
Parallel plate capacitor
Negative gate bias:
Holes attracted to gate