Govt. Polytechnic, Manesar (Gurgaon)
LESSON PLAN

Name of the Faculty   : Smt Sharmila 
Discipline                     : Electronics & Communication Engg.
Semester                      : 4th
Subject                         : Communication Systems
Lesson Plan Duration  :15weeks (from 15 January, 2026 to 30 April, 2026)
Work Load (Lecture / Practical) per week (in hours): Lecture-03, Practical-02 Hrs per Group
Week	Theory	Practical	
	Lecture Day	Topic (Including assignment / test)	Practical day	Topic	
 1st
 
 	1st	Introduction about the subject/course and its syllabus	1st	Group 1: Exp 1- To observe the waveforms at different stages of an AM transmitter.	
	2nd	Unit-1-AM/FM Transmitter:-Classification of transmitters on the basis of modulation	2nd
	Group 2: Exp 1-To observe the waveforms at different stages of an AM transmitter.
 	
	3rd	Classification of transmitters on the basis of service, frequency and power			
 2nd
 
 	4th	Block diagram of AM transmitters and working of each stage	3rd	Group 1: Exp. 1-To observe the waveforms at different stages of an AM transmitter. (Revision)	
	5th	Block diagram and working principles of reactance FET Transmitter	4th
	Group 2: Exp. 1-To observe the waveforms at different stages of an AM transmitter. (Revision)
 	
	6th	Armstrong FM transmitters
Revision and discussion			
 3rd
 
 	7th	Unit-2- AM/FM Radio Receivers 
Principle and working with block diagram of super heterodyne AM receiver, function of each block and typical waveforms at input and output of each block	5th	Group 1: Exp. 2-To observe the waveforms at different stages of a Radio Receiver	
	8th	Performance characteristics of a radio receiver : sensitivity, selectivity 	6th
	Group 2: Exp. 2-To observe the waveforms at different stages of a Radio Receiver
 	
	9th	Fidelity, S/N ratio, image rejection ratio and their measurement procedure, ISI standards on radio receivers			
 4th
 
 	10th	Selection criteria for intermediate frequency (IF), Concepts of simple and delayed AGC	7th	Group 1: Exp. 2-To observe the waveforms at different stages of a Radio Receiver (Revision)	
	11th	Block diagram of FM Receiver, function of each block and waveforms at input and output of different blocks.
	8th	Group 2: Exp. 2-To observe the waveforms at different stages of a Radio Receiver (Revision)
 	
	12th	Need for limiting and de-emphasis in FM reception			

5th

	13th	Block diagram of communication receivers	9th	Group 1:Exp.3-To align AM broadcast radio receiver	
	14th	Differences with respect to broadcast receivers	10th
	Group 2: Exp. 3-To align AM broadcast radio receiver
 	
	15th	Assignment and class test/Quiz			
6th

	16th	Unit-3-Antennas:-
Electromagnetic spectrum and its various ranges: VLF, LF, MF, HF, VHF, UHF, Microwave.	11th	Group 1: Exp. 3-To align AM broadcast radio receiver (Revision)	
	17th	Physical concept of radiation of electromagnetic energy from a dipole. Concept of polarization of EM Waves	12th
	Group 2: Exp. 3-To align AM broadcast radio receiver (Revision)
 	
	18th	Definition and physical concepts of the terms used with antennas like point source, gain, directivity, aperture, effective area, radiation pattern, beam width, radiation resistance, loss resistance.			
7th

	19th	Types of antenna: Half wave dipole, folded dipole antenna
	13th	Group 1: Exp.4-To identify and study the various types of antennas used in different frequency ranges.	
	20th	Medium wave (mast) antenna	14th
	Group 2: Exp. 4-To identify and study the various types of antennas used in different frequency ranges.
 	
	21st	Patch antenna			
8th

	22nd	Yagi –Uda antenna	15th	Group 1: Exp. 4-To identify and study the various types of antennas used in different frequency ranges. (Revision& Viva)	
	23rd	Ferrite rod antenna	16th
	Group 2: Exp. 4-To identify and study the various types of antennas used in different frequency ranges. (Revision& Viva)
 	
	24th	Loop Antenna			
9th

	25th	Structure, characteristics and typical applications of Dish Antenna	17th	Group 1: Exp. 5-To plot the radiation pattern of a directional and omni directional antenna.	
	26th	Revision	18th
	Group 2: Exp. 5-To plot the radiation pattern of a directional and omni directional antenna.
 	
	27th	Assignment & Class test			
 10th
 
 	28th	Unit-4-Propagation:-
Basic idea about different modes of wave propagation & typical areas of applications	19th	Group 1: Exp. 5-To plot the radiation pattern of a directional and omni directional antenna. (Revision& Viva)	
	29th	Ground wave propagation and its characteristics	20th
	Group 2: Exp. 5-To plot the radiation pattern of a directional and omni directional antenna. (Revision& Viva)
 	
	30th	Summer field equation for field strength			

11th

	31st	Space wave communication, line of sight propagation	21st	Group 1: Exp. 6-To plot the variation of field strength of a radiated wave, with distance from a transmitting
Antenna.	
	32nd	Concept of effective earth radius	22nd
	Group 2: Exp. 6-To plot the variation of field strength of a radiated wave, with distance from a transmitting Antenna.
 	
	33rd	Range of space wave propagation, Standard atmosphere			
12th

	34th	Duct propagation	23rd	Group 1: Exp. 6- To plot the variation of field strength of a radiated wave, with distance from a transmitting antenna. (Revision& Viva)	
	35th	Sky wave propagation,  Ionosphere and its layers	24th
	Group 2: Exp. 6-To plot the variation of field strength of a radiated wave, with distance from a transmitting antenna. (Revision& Viva)
 	
	36th	Explanation of the terms: Virtual height, critical frequency			
13th	37th	Skip distance, maximum usable frequency	25th	Group 1: Exp. 7- To study and rectify different faults in a broadcast radio receiver.	
	38th	Multiple hop propagation	26th
	Group 2: Exp. 7- To study and rectify different faults in a broadcast radio receiver. 	
	39th	Unit 5: Satellite Communications: Basic idea, passive and active satellites			
14th

	40th	Meaning of the terms; orbit, apogee, perigee, Assignment
	27th	Group 1: Exp. 7- To study and rectify different faults in a broadcast radio receiver. (Revision & Viva)	
	41st	Geo-stationary satellite and its need 
	28th
	Group 2: Exp. 7- To study and rectify different faults in a broadcast radio receiver.  (Revision & Viva)	
	42nd	Block diagram and explanation of a satellite communication link
			
15th

	43rd	Introduction to VSAT and its features	29th	Group 1: Revision & Internal Viva	
	44th	Class Test/Quiz	30th
 	Group 2: Revision & Internal Viva
	
	45th	Revision