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Semiconductor Device Presented To
Prof. Dr. Quazi Deen Mohd. KhusruDepartment of Electrical and
Electronics Engineering
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Presented By-
Mursalin Khan Prio Nazrul Islam AzadJunayed HossainAbdullal- Al- MayinMohammad Shihab Suraia Islam Zerin
152-33-2686 152-33-2681 152-33-2707 152-33-2629 151-33-2334 151-33-2324
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ContentSemiconductorCharacteristicsDiodeDopingI-V CharacteristicsRectifierTransistorUses of Semiconductors
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Semiconductor Device An electronic components that exploit the electronic properties of semiconductor materials.
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Types of Semiconductor Two types of Semiconductor –
Intrinsic Semiconductor Extrinsic Semiconductor
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Energy Level Energy Gap is very less in order to conduct the electrons.
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Characteristics Bipolar Charge Carrier.Conditionally Conductor.Temperature dependence on Carrier Concentration and Mobility.
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Diode Diode is a Device with two electrode.A p-n junction diode is a two terminal device made up of Semiconductor Device.
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Doping In n-type Silicon, Intrinsic Semiconductor doped with As/P/Sb Donor : As/P/Sb
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Doping In p-type Silicon, Intrinsic Semiconductor doped with Al/B/GaAcceptor : Al/B/Ga
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Forward Bias Resistance is very small.Hole from p-type material and electron from n-type able to cross over the junction.
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Reverse Bias Resistance is very high. Reverse polarity causes a very small current to flows as both electrons and holes are pulled away From the junction.
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I-V Characteristic :
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Rectifier
Converts Alternating Currents to Direct Currents.
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Types of Rectifier Two types of Rectifier-
Half-Wave Rectifier Full-Wave Rectifier
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Transistor A semiconductor device used to amplify or switch electronic signal.
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Transistor Consist of two p-n junction back to back.
Has three region -Emitter -Base -Collector
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Semiconductor
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Semiconductor is the foundation of modern day electronics.
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Vacuum tube
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IMB 701
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14 nm transistors
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Application
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Semiconductor is the foundation of modern day electronics
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THANK YOU