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Communication Laboratory

In this laboratory, our students are trained for constructing the circuits for analog and digital modulations. The concepts of all type of modulation & demodulation, and recent communication techniques are demonstrated using available hardware and software defined radio (SDR) tool. The lab is well equipped with 04 channel 200MHz Digital Storage Oscilloscopes, Arbitrary function generators, Pulse generators, communication trainer kits, digital multi-meter, Analog & Digital ICs, general purpose ICs, etc

Lab Equipment and supporting software: -

  • Analog Communication System Trainer (Model: CM2, CM3, CM4, CM6, CM7, Make:   Benchmark Electronic System Pvt Ltd)
  • Digital Communication Training System (Model: Wicomm T, Benchmark Electronic System Pvt Ltd)
  • 4 ½ hand held DMM (Model: DM-87, HTC MAKE)
  • 200MHz 4-channel Oscilloscope (Model: SDS 2204X, Make: Siglent)
  • Quad Output DC Regulated Power Supply (Model: GPE4323, Make: GW INSTEK)
  • Triple DC Regulated Power Supply (Model: PSD3304, Scientific Mes-Technik)
  • 30 MHz True dual channel DDS Arbitrary Function Generator with optional separate 25MHz Pulse (Model: MFG-2230M, Make: GW INSTEK)
  • LCR Meter (Model: 914, Make: GW INSTEK)
  • Universal IC tester (Model: DICT-03, make: Kitek Technologies Pvt. Ltd.)
  • Software Defined Radio (Model: B210Make: Ettus Research/ Benchmark Electronics

Digital communication Lab:

Course Description & Objectives:

This course gives students deep knowledge in digital communication systems at the practical level so that students can understand the logical, analytical, and mathematical background of the communication system. This lab focuses on understanding the fundamental concepts of signal flow in a digital communication system. Detailed analysis of TDM, Pulse modulations, digital modulation techniques, sampling and reconstruction, source coding techniques, Error-control coding techniques, the error performance of a digital communication system in presence of noise, and other interferences are done.

Course Outcomes:

On completion of this lab course the students will be able to:
a. Analyze the Performance of digital design in the communication system.
b. Able to understand basic theories of the Digital communication system in practical.
c. Perform the time and frequency domain analysis of the signals in a digital communication system.
d. Able to design and implement different modulation and demodulation techniques.
e. Able to analyze digital modulation techniques by using MATLAB tools.
f. Able to identify and describe different techniques in modern digital communications, in particular in source coding using MAT Lab tools.
g. Able to perform channel coding.  
h. Evaluate the performance of a digital communication system in the presence of noise other interferences.

Analog Communication Lab:

Course Description & Objectives:  

This course familiarizes the students with basic analog communication systems with experiments so that the students appreciate the knowledge gained from the theory course by giving them deep knowledge about the principles and techniques of modern communication systems. It includes Knowledge in various methods of analog communication including amplitude modulation (AM), frequency modulation (FM), phase modulation (PM), and pulse modulation with detailed analysis on signal flow and it's nature.

Course Outcomes:  

  After studying this course the students shall be able to:
a. Understand the basic signals, Fourier transform, and the properties of the communication section.
a. Design analog modulation circuits as amplitude and frequency modulation.
b. Design various pulse modulation techniques as PAM, PPM, PWM.
c. Design the circuit to sample an analog signal.
d. Implementing decoding or demodulation of analog modulated signals.
e. Analyze transmitter and receiver circuits.
f. Compare and contrast design issues, advantages, disadvantages, and limitations of analog communication systems

Faculty In-Charge: Dr. Prakash Ranjan
Email ID: pranjan.ece[AT]

Technical Assistant: Mr.Rajan Kumar
Email: rkumar.ece[AT]