Basic Electronics


BE UNIT 1 FAQ   BE UNIT 2 FAQ  BE UNIT 3 FAQ BE UNIT 4 FAQ  BE UNIT 5 FAQ  Crystal Oscillator  Mass-action law  Comparison of Rectifiers  Working of Transistors  working of PN Diode Current Equation of a diode Comparison of transistor characteristics Conductivity of semi conductor

 

Analog Communications

Need for Modulation Amplitude Modulation Capture Effect in FM Frequency spectrum of Wide Band FM Phase Locked Loop Figure of Merit of FM Automatic Gain Control Choice of Intermediate Frequency in Radio Recevier Generation of PWM and PPM using Wave forms Band Pass Smpling Pulse Width Modulation Pulse Position Modulation Tuned Radio Frequency Receiver Super hetero-dyne Receiver Sampling theorem Indirect Method of FM generation Tutorial problems in AC Effective Modulation index in AM Single tone AM Block Diagram of AC Noise Block Diagram of AC    

Electro Magnetic Theory


Coulomb’s law  Gauss’s law Electric field intensity Gauss Divergence theorem  Maxwell’s First equation  E- line charge distribution EM Wave Equation Electric Potential V Propagation of EM wave in conductors Inconsistencey in Ampere’s law /Displacement Current density 

Example problems of EM wave propagation  

Digital Communications


DCS VS ACS  Inter Symbol Interference and Eye pattern DC Unit-4 FAQ   Block Diagram of Digital Communication System   Delta Modulation & Demodulation  QPSK Transmitter and Receiver      Probability of error in QPSK  DPSK Transmitter and Receiver  QPSK equation and signal space diagram Base band Vs Pass band Transmission DC Tutorial questions DC Short answer questions with answers FSK  DC Quiz   DC slip test questions   Adaptive Delta Modulation Correlation Receiver Matched Filter   Properties of Mutual Information  

 

 

 

 

 

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