Computers at the basic level are nothing but electronic circuits, understanding the circuits is a necessity to understand the working of computers.
This course will help you to comprehend the use of semiconductor devices and their circuits in the context of communication.
Further, awareness about types of integrated circuits will be increased and their application in computers.

Batches

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What you'll learn?

Field Effect Based Devices And Circuits

FETs use electric field to control the conductivity in a semiconductor. The parameters affecting them and their characteristics will also be covered.

  • Junction Field Effect Transistors
  • JFET Characteristics
  • FET amplification and switching
  • DC load line and bias point
  • Fixed bias
  • Self bias
  • Voltage divider bias
  • FET models and parameters
     

Oscillator

One of the most commonly used electronic devices, they convert Direct current (DC) to an alternating current (AC). You will study how it achieves this particular task and the three common types of Oscillators.

  • Common source circuit analysis principle of oscillation
  • FET based Hartley and Colpitts Oscillator
  • Crystal oscillator

BJT as Power Amplifier

Power amplifiers are used in most electronic systems, usually in the last stage. Commonly used in audio speakers.

  • Using BJT for power amplification
  • Class A power amplifier
  • Class C power amplifier

Operational Amplifier and its Applications

An operational amplifier is a special type of Differential Amplifier, op-amp has a single output and two inputs which lead to a very high gain at output. Its application as a Comparator, integrator and Differentiator will be covered.

  • Characteristics of op-amp
  • High frequency effects on op-amp gain and phase
  • Slew rate limitation
  • Applications of Op-amps: Inverting and non-inverting amplifier, adder, subtractor, integrator, differentiator and active filters

Phase Lock Loop

  • Operating principle of PLL
  • Lock range and capture range

Modulation

Learn how Modulation overcomes the losses that a signal would undergo in transmission from one place to another.

  • Principles of Analog Communication
  • Elements of analog communication systems
  • Theory of amplitude modulation and types of AM
  • Generation of DSB SC using balanced modulator
  • Generation of SSB using phase shift method
  • Theory of FM and PM,  Generation of FM by Armstrong method

Demodulation

The original information needs to be recovered from the modulated wave, this section will deal with the concept of demodulation and the types of receivers used.

  • Principle of super heterodyne receiver
  • Foster Seely detector for FM detection
  • Application of PLL (IC 565) as FM detector
  • Frequency translator
  • Phase Shifter
  • Frequency Synthesizer

Digital Communication

Study the principles ruling the digital world and its advantages over analog communication techniques

  • Concept of sampling
  • Sampling Theorem
  • Types of sampling
  • Quantization
  • A/D and D/A conversion
  • Pulse Modulation: generation and detection of PAM, PPM, PWM, PCM, DM, ADM, Principle of TDM and FDM