APPLICATION OF MOSFET IN
REAL LIFE
PRESEENTED BY:
NAME: MD. EMAMUL HASAN
ID. 19-40806-2
DEPERTMENT: EEE
SECTION: D
Course Teacher: MD. RABIUL ISLAM
Course Name: ANALOG ELECTRONICS
WHAT IS MOSFET?
Metal oxide semiconductor field effect transistor is a semiconductor
device.
Unipolar transistor.
Widely used for switching purpose and amplifications of electronic
signals in electronic device.
Employed in both the analog digital circuits.
Types of MOSFET
Basically two types of MOSFET we used in operational purpose.
Working principle of
MOSFET.
i.
It is capable to control the voltage and
current flow between the source and
drain terminals.
ii.
MOS capacitor is the main part of
MOSFET.
iii.
From p type to n type we can easily set
applying positive or negative gate
voltages.
Why do we used
MOSFET for switching
and amplification?
I.
MOSFETs provide greater efficiency
while operating at lower voltages.
II.
Absence of gate current results in
impedance producing high switching
III. Operate at lower power and draws
current.
Application of MOSFET:
1)
MOSFET amplifiers are extensively used in radio frequency applications.
2)
It acts as a passive element like resistor, capacitor and inductor.
3)
DC motors can be regulated by power MOSFETs.
4)
Logic gates and data storage.
5)
Used in digital integrated circuit such as microprocessors and memory devices.
6)
Sound reinforcement.
7)
High switching speed of MOSFETs make it an ideal choice in designing chopper circuits.
8)
Automobile sound system.
Power MOSFET is used
in automobile
 This device is voltage controlled and easy to
drive.
 Unipolar device with a single carrier that
contributes to the electrical conduction.
 Mainly used as a voltage device.
CONCLUSION
o MOSFET is voltage controlled solid state device.
oHave high speed switching operation.
oCreates very low power loss than other transistor.