- Preliminary Topics 1
- Preliminary Topics 2
- Bond Model of Semiconcoductor - Part-1
- Bond Model of Semiconcoductor - Part-2
- Energy Band Model
- Different Types of Semi- Conductors
- Band Diagram of Intrinsic , n Type , p Type Semiconductor
- Conductivity of P Type Semiconductor
- Conductivity Variation with Temperature
- Current Density
- Leakage Current in Semiconductor
- Conductivity Sensitivity of Semiconductor
- Comparision of Electrical Properties of Si and Ge
- Recombination and Generation of Carriers
- Numerical 1 Based on Different Type of Semiconductors
- Numerical 2 Based on Different Type of Semiconductors
- Numerical 3 Based on Different Type of Semiconductors
- Numerical 4 Based on Different Type of Semiconductors
- Drift Phenomenon
- Diffusion Phenomenon
- Concentration Gradient
- Electron and Hole Diffusion Current
- Diffusion Length
- Total Current Components in Semiconductor
- Fermi Energy
- Fermi Energy level
- Band Diagram of Intrinsic , n Type , p Type Semiconductor
- Concept of Effective Mass
- Numerical Based on Band Diagram
- Electron Concentration in the Conduction Band in Intrinsic Semiconductor
- Hole Concentration inside the Valance Band in Intrinsic Semiconductor
- Equation for Intrinsic Carriers Concentration in Semiconductor
- Injection of Minority Carriers in Extrinsic Semiconductor
- Numericals on Minority carriers Injection
- Law of Electrical Neutrality
- procedure to Calculate Minority & Majority Carriers- Part I
- procedure to Calculate Minority & Majority Carriers- Part II
- Definition of Compensated Semiconductor
- Calculation for Majority &b Minoriity Carrier Concentration for N type Compensated Semi Conductor
- Calculation for Majority &b Minoriity Carrier Concentration for P type Compensated Semi Conductor
- Numerical 1 on Compensated Semiconductor
- Numerical 2 on Compensated Semiconductor
- Numerical 3 on Compensated Semiconductor
- Numerical 4 on Compensated Semiconductor
- Numerical 5 on Compensated Semiconductor
- Numerical 6 on Compensated Semiconductor
- Critical Wavelenght of Semiconductor
- Numerical 01 on Critical Wavelength
- Numerical 02 on Critical Wavelength
- Drift Velocity WRT Scattering Time
- Numerical on Drift Velocity WRT Scattering Time
- Value of Electron and Hole Concentration When Conductivity is Minimum
- Calculation of Minimum Conductivity in Semiconductor
- Donor Concentration Value in the n-Type Semiconductor at Minimum Conductivity
- Acceptor Concentration Value in the p-Type Semiconductor at Minimum Conductivity
- Perfect Temperature to Operate p Type and n Type Semiconductor
- Uniform Doping
- Further Detailing of Non Uniform Doping
- Non Uniform Doping
- Effect of Light Incident on Semiconductor
- Effect of Light on n Type Semiconductor
- Effect of Light on p Type Semiconductor
- Numerical 01 on Generation Rate
- Numerical 02 on Generation Rate
- When Light Falls on the n-type Semiconductor at Room Temperature
- Example of Light Incident on Semiconductor
- Recombination Rate
- Majority Carrier Lifetime Interms of Minority Carrier Lifetime
- Numerical 01 on Carrier Lifetime
- Numerical 02 on Carrier Lifetime
- Effect of Temperature on Carrier Concentration in Intrinsic Semiconductor
- Effect of Doping on Majority and Minority Carriers
- Effect of Doping on Extrinsic Conductivity
- Effect of Temperature on Majority and Minority Carrier Concentration
- Effect of Temperature on Extrinsic Conductivity
- Example on Non Uniform Doping
- Introduction to Fermi Dirac Statistics
- Definitions of Fermi Level from Fermi Dirac Statistics
- Probability of Finding a Hole at any Energy State E at any Temperature T
- Fermi Level in Intrinsic Semiconductor
- Position of Fermi Level at Different Temperature for Intrinsic Semiconductor
- Fermi Level for n-type Semiconductor
- Dependance of Fermi Level on Temperature for n-type Semiconductor
- Dependance of Fermi Level on Doping for n-type Semiconductor
- Fermi Level in p-type Semiconductor
- Dependance on Temperature of Fermi Level for p-type Semiconductor
- Dependance on Doping Concentration Fermi Level for p-type Semiconductor
- Example 01 on Fermi Dirac Statistics
- Example 02 on Fermi Dirac Statistics
- Example 03 on Fermi Dirac Statistics
- Concentration of Electron and Hole in Conduction Band and Valence Band in Intrinsic Semiconductor
- Example on Conductivity of Semiconductor
- Example on Fermi Level Position
- Example on Shift of Fermi Level
- Generation Rate of Excess Electrons and Excess Holes
- Numerical 1 on Generation Rate of Excess Electrons and Holes
- Numerical 2 on Generation Rate of Excess Electrons and Holes
- Incident of light on Semiconductor
- Doping of GaAs
- Probability of occupancy of Donor Energy and Acceptor Energy states
- Complete Ionization and Freeze out
- Continuity Equation in Semiconductor
- Ambipolar Transport
- Generation and Recombination of Ambipolar Transport
- Numerical 1 on Ambipolar Transport
- Numerical 2 on Ambipolar Transport

- E-k Diagram
- Forward Voltage Across the Diode
- V-I Characteristics of Diode
- I-V Characteristics of Diode
- Diode Resistance
- Junction Capacitance
- Transition Capacitor
- Diffusion Capacitor
- Definition of Hall Effect
- Explanation of Hall Effect
- Application of Hall Effect
- Varractor Diode
- Light Emmiting Diode
- Problem 01 on Light Emitting Diode (LED)
- Problem 02 on Light Emitting Diode (LED)
- Step Graded Junction Diode
- Schottky Diode
- Problem 01 on P-N Junction Diode
- Solar Cell
- Problem 01 on Solar Cell
- Problen 02 on Solar Cell
- Problem 03 on Solar Cell
- Problem 04 on Solar Cell
- Zenor Diode
- Tunnel Diode
- Gunn Diode 1
- Gunn Diode 2
- Photo Diode
- Problem 1 on PN Diode
- Problem 2 on PN Diode

- Basics of Bipolar Junction Transistor
- Current Components of BJT
- Different Modes of BJT & their Comparison
- Current Equation of BJT
- Different Factors of BJT and their comparison
- Different Regions of Operation of BJT
- How Transistor (BJT) changes Different Region Automatically
- How BJT acts as a Switch
- How BJT acts as a Inverter
- Early Effect
- Ebber's Moll Model
- CE Mode Characteristics
- CB Mode Characteristics
- CC Mode Characteristics
- Dependence of Collector current on Temperature
- Thermal Runaway
- Punch through/ reach through
- Stability Analysis of BJT
- Minority Carrier Distribution in BJT

- Classification of MOSFET
- P Substract MOS Capacitor
- N Substract MOS Capacitor
- Depletion Layer Thickness
- Thresold Voltage
- Flat Band Voltage
- Numerical 1 on MOSFET
- Numerical 2 on MOSFET
- Numerical 3 on MOSFET
- Numerical 4 on MOSFET
- Enhancement type MOSFET / E only MOSFET
- Gate Capacitance of E only MOSFET
- Operation of E - only MOSFET
- Transfer Characteristics
- Drain Characteristics
- Thresold Voltage of MOSFET (VT)
- Procedure to Reduce (VT)
- Symbol of MOSFET
- Operation of NMOS in Tride Region
- Operation of NMOS in the Saturation Region
- PMOS Transistor in Triode Region
- PMOS Transistor in Saturation Region
- Numerical 5 on MOSFET
- Numerical 6 on MOSFET
- Numerical 7 on MOSFET
- Numerical 8 on MOSFET
- Numerical 9 on MOSFET
- Capacitance Vs Voltage in MOSFET

- Numericals 01 from GATE Previous Year Questions (PYQ)
- Numericals 02 from GATE Previous Year Questions (PYQ)
- Numericals 03 from GATE Previous Year Questions (PYQ)
- Numericals 04 from GATE Previous Year Questions (PYQ)
- Numericals 05 from GATE Previous Year Questions (PYQ)
- Numericals 06 from GATE Previous Year Questions (PYQ)
- Numericals 07 from GATE Previous Year Questions (PYQ)
- Numericals 08 from GATE Previous Year Questions (PYQ)
- Numericals 09 from GATE Previous Year Questions (PYQ)
- Numericals 10 from GATE Previous Year Questions (PYQ)
- Previous Year GATE Questions (PYQ) - Numerical 11
- Previous Year GATE Questions (PYQ) - Numerical 12
- Previous Year GATE Questions (PYQ) - Numerical 13
- Previous Year GATE Questions (PYQ) - Numerical 14
- Previous Year GATE Questions (PYQ) - Numerical 15
- Previous Year GATE Questions (PYQ) - Numerical 16
- Previous Year GATE Questions (PYQ) - Numerical 17
- Previous Year GATE Questions (PYQ) - Numerical 18
- Previous Year GATE Questions (PYQ) - Numerical 19
- Previous Year GATE Questions (PYQ) - Numerical 20
- Previous Year GATE Questions (PYQ) - Numerical 21
- Previous Year GATE Questions (PYQ) - Numerical 22
- Previous Year GATE Questions (PYQ) - Numerical 23
- Previous Year GATE Questions (PYQ) - Numerical 24
- Previous Year GATE Questions (PYQ) - Numerical 25
- Previous Year GATE Questions (PYQ) - Numerical 26
- Previous Year GATE Questions (PYQ) - Numerical 27
- Previous Year GATE Questions (PYQ) - Numerical 28
- Previous Year GATE Questions (PYQ) - Numerical 29
- Previous Year GATE Questions (PYQ) - Numerical 30
- Previous Year GATE Questions (PYQ) - Numerical 31
- Previous Year GATE Questions (PYQ) - Numerical 32
- Previous Year GATE Questions (PYQ) - Numerical 33

Professor Anirban Shah has over 7+ years of teaching experience with a professional degree in MTech Electronics and Communication Engineering. His major potential subjects are Electronics Devices, Analog Circuits and Communication systems etc. He has proficiency in BSc(Physics Major), B.Tech (RadioPhysics and Electronics) with MTech(Photonics). His teaching motto is to deliver Easy and unique concepts of learning for students. He currently works at the center of research in Nanoscience and Nanotechnology. He focuses on technical understanding and way of expressing it. Under his teaching and guidance you will surely learn the best skills required for preparing for gate.

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