Contents

Electronic Devices

Basics of Charge, Voltage , Field
Extrinsic Semiconductors
Electron flow in Semiconductor Crystal
Oscillator association
Ohmmeter
Series - Parallel Resonance

Basic Circuits          

     Comparator Circuit
     Multivibrator

Semiconductor
     Carrier Concentration
     BandGap
     Doping
     Material
     Recovery Time

PIN Diode

PN - Junction
     Depletion Width
     Reverse - Biased 

Transistor
    ON-State
    P-N-P
    Operating Region
    Forward Bias , Transistor Region
    Base-Emitter Junction
    Impurity of n-p-n 
    Active Region of Common - Emitter 
    N-Channel JFET
    Check on Working Condition of Transistor,
    Resistance Values in Forward Biased & Rev Biased Condition
    Darlington Z-Parameters
    JFET - Upper Cutoff Frequency 

Operational Amplifier (OpAmp)

     Ideal OpAmp
     Voltage Follower

     Gain Bandwidth Product

     Log-circuit OpAmp

     Non-Inverting OpAmp
     Closed Loop Gain
     Rise Time of Amplifier

Control System

Detailed Answers:s-plane , critical damping

Basic System Concepts - Noise , Transport lag , slope 
z-plane

Transfer Function 1.1, , 1.2 , 1.3 , 1.4 , Tachometer TF , 1.6 , 1.7 
Damping Ratio , Natural Frequency
System Response 1.1 , 1.2
Steady State Error 1.1
First Order System
Second Order System
Stability Analysis of System 1.1 , 1.2  ,1.3
System Stability given Characteristic Equation 
Steady State Output

PID Controller
Error Voltage

Routh - Hurwitz Stability Criterion
Routh - Array
Signal Flow Graph
Minimum Phase System 
Bode Magnitude Plot
Bode Diagram , Log - Magnitude Asymptote , Log Magnitude Plot 

Voltage Gain 

Closed Loop Transfer Function , Gain Margin
ZOH Impulse Response FT,

Digital Electronics / Logic Design 

Base Problems 1.1 , 1.2 , ECL Gears , TTL - Gate , Demultiplexer , Decoder 
Race Condition
Rise of Pulse
Setup Time & Hold Time
Serial In Serial Out
Full Subtractor
Generic Array Logic
TTL AND-OR-Invert (AOI) Gate
Logic Expression - 1.1 ,1.2
Basic Gate -   NAND 
NOT Gate
Two- Level 
Two-bit Binary Multiplier , Binary Half- Subtractor
Combinational Circuits  1.1 , 1.2
Flip-Flop , Trigger 1.1
D-FlipFlop
J-K Flip Flop , Problems 1.1
Advantage of J-K over S-R Flip - Flop
Boolean Function
Realization of Boolean Expression
Boolean Expression
K-Maps
2:1 mux to realize 4:1mux
Disadvantage of Digital Technology 

Mathematics

function
Line Integral 
Nullity of Vector Space
Matrices 1.1 ,
Rank of Matrix
Differential Equation 1.1
Eigen Value
Skew -Symmetric , Square Symmetric
Area enclosed between log & coordinate axes
Probability Density Function
Probability on Dice Problems 1.1 , 1.2 ,1.3
Probability on Coin Problems 1.1

Communications

Basic Equations of Modulation
Output of a communication system ,
Superheterodyne Receiver
LPF ,  Problems 1.1
Amplitude Modulation - Time Constant  , Power - 1.1 , AM Basics
Angle Modulation , Analog Modulation
Adding AM & FM Signal
Single Side Band
Equation Match
Frequency Modulation Problems Transmission BandWidth
Detection of AM signal using Envelope Detector
Digital Communication - Delta Modulation , Pulse Coded Modulation , TDM
Quantization  , Signal Power to Quantization Noise Power 
Matched Filter  , Hilbert Transformer
Probability  - Variance , Auto-Correlation

Signals & Systems

Z-Transform 1.1 , 1.2
Z- Transform - Poles , Transfer Function , ROC 

ROC
LTI Systems 1.1, 1.2 , 1.3
Dynamic System
Relation between Fourier & Laplace Transform
Energy Density Spectrum
Final Value Theorem

Network Theory

Basic Concept - Problems 1.1 , RMS & Average Values , RMS Values
Resistance 
Current Flow
Equivalent Resistance
WheatStone Bridge
Thevenin's Voltage 
Kirchhoff's Voltage Law - KVL 
Kirchhoff's Current Law - KCL Problems 1.1  ,1.2  ,1.3 
Steady State Analysis, Final Value Theorem
R-C Series Circuit
RLC - Series 1.1 , Resonance
Parallel Circuits , Maximum Power Transfer, Maximum Load Transfer 
Maximum Average Power
Driving point impedance

Capacitor - Related , 1.1
RC Series, Mutual Inductance , Power Factor , Active Power Average Power ,
Parallel Inductors
Phase Problems 1.1
Star-Delta Transformation 1.1