Unit 1 Introduction To Communication System

• Analog and Digital Messages
• Channel Effect
• Signal-to Noise ration and capacity
• Modulation and Detection
• History of Communications
• Signal Transmission through a linear system
• Signal distortion over a communication channel
• Signal Energy and Energy spectra density
• Signal power and power density. 5 Program Name: Bachelor of Engineering Level: UG Subject Code: BE05032011 Subject Name: Analog and Digital Communication

Unit 2 Amplitude Modulation And Demodulations

9 lecture hours

• Concept of modulation
• Mathematical representation of sinusoidal Amplitude modulated signals in time and frequency domain
• Double sideband Full carrier (DSBFC)
• Double sideband suppressed carrier (DSBSC) and single sideband suppressed carrier modulations (SSBSC)
• Vestigial Sideband (VSB) modulation power and bandwidth calculations for DSBFC
• SSBSC, VSB
• Balanced modulator circuits
• Diode ring modulator
• SSB generation: balanced modulator-filter method
• phasing method.AM detection: peak (envelope detector)

Unit 3 Angle Modulation and demodulation

9 lecture hours

• Conceptof instantaneous frequency and angle modulation
• sinusoidal FM and its time domain representation
• spectral components of angle modulated signals
• power in sinusoidal FM and modulation index
• Carson’s rule
• equivalence between Frequency modulation (FM) and Phase modulation(PM)
• Angle modulator circuits
• Fm transmitters
• Armstrong method of FM generation
• Foster- Seeley discriminator
• ratio detector
• PLL detector
• Pre-emphasis and de-emphasis circuits

Unit 4 Sampling and Pulse Modulation techniques

8 lecture hours

• Sampling theorem
• Sampling and signal reconstruction
• Quantization, PAM, PWM, PPM, PCM, Differential PCM, Delta modulation
• Adaptive delta modulation
• T1 carrier system

Unit 5 Digital Data Transmission

8 lecture hours

• Components of digital communication system
• line coding
• pulse shaping
• Regenerative Repeater
• Eye Diagram
• M-ary communication
• Digital Carrier Systems

Unit 6 Introduction to Digital Modulation-Demodulation Techniques

• Modulation and techniques for ASK, FSK, PSK, MSK, BPSK
• GMSK 6 This syllabus is mapped with following United Nation’s Sustainable Development Goals:  SDG-4- Quality Education  SDG 9 – Industry
• Innovation & Infrastructure  SDG 10 – Reduced Inequalities  SDG 12 -Responsible Consumption and Production  SDG-13- Climate Action Relevant BIS standards:  IS 13252 (Part 1) – Safety of IT & electronic equipment  IS 14700 series – Electromagnetic Compatibility (EMC)  IS 11170 – Radio broadcasting transmitters Program Name: Bachelor of Engineering Level: UG Subject Code: BE05032011 Subject Name: Analog and Digital Communication  IS 9000 series – Basic environmental testing for electronicsAlso explore other relevant Indian and international standards.  IS 11866 – FM radio broadcast transmitters  IS 616 – Safety requirements for electronic equipment  IS 14331 – Digital telecommunication systems  IS 12063 – Data transmission interfaces