Principles of Electronic Communication (313326) MSBTE QuAn Question Answer Book

Description

QuAn Book – Principles of Electronic Communication (313326)

The QuAn Book for Principles of Electronic Communication (Subject Code: 313326) is a premium study material designed for MSBTE K-Scheme Diploma Engineering students. It provides a complete, topicwise question bank with model answers to help you score maximum marks.

Syllabus Coverage (MSBTE K-Scheme)

• Unit I – Basics of Electronic Communication: Electromagnetic (EM) wave spectrum, frequency bands and their applications; Signals and its representation: analog and digital signal (In time and frequency domain); Block diagram of Analog communication system and operation of each block; Transmission modes: Simplex, half duplex and full duplex, quadraplex, Synchronous, Asynchronous and iso-synchoronus; Noise, Sources of Noise, signal to noise ratio(S/N) and noise figure unit for noise (only concept); Ancient communication method in India: drum sounds, pigeons, messengers, symbols and smoke signals (IKS)
• Unit II – Amplitude Modulation (AM) Communication: Modulation, Need for modulation; Types of modulation techniques, Amplitude Modulation: Modulating signal, Carrier signal, modulation Index, mathematical representation of AM Signal (no derivation, only numericals), representation in time and frequency domain, Frequency Spectrum, Types of AM band spectrum (DSB, SSB and VSB) and their applications, Power relations in AM wave (no derivation, only numerical); Generation of AM: Block Diagram and working Low level and High Level AM transmitter; Demodulation of AM signal: Diode detector and practical diode detector, Automatic gain control and Delayed AGC; Block diagram and working of each block of super heterodyne receiver with waveforms Characteristics Selectivity, Sensitivity and Fidelity
• Unit III – Frequency Modulation (FM) Communication: Frequency modulation: Mathematical representation of FM signal, Use of Bessel’s function (no derivation), representation of FM signal in time domain and frequency domain, frequency deviation ratio, modulation index (numerical), types of frequency modulation (Narrow Band and Wide Band FM), Concept of Pre-emphasis and De-emphasis and working; Generation of FM using direct method (varactor diode and reactance modulator) and indirect method (Armstrong method); FM detector circuits: Ratio detector and PLL as FM demodulator; FM Receiver: Block diagram and working with waveforms; Phase Modulation: definition, waveforms and applications
• Unit IV – Wave Propagation: Concept of propagation of radio waves; Ground Wave propagation; Sky wave: Ionospheric layers, concept of actual height and virtual height, critical frequency, skip distance, skip zone, concept of fading, maximum usable frequency, multiple hop sky wave propagation; Space Wave propagation: line of sight, multipath space wave propagation, radio horizon, shadow zone; Duct propagation (microwave space-wave propagation) Troposphere scatter propagation
• Unit V – Antenna: Antenna fundamentals: Resonant antenna and Non-resonant antennas, ideal antenna, principle of transmitting and receiving antenna, Concept of Electromagnetism interference (EMI) and Electromagnetic Compatibility (EMC); Antenna parameters: Radiation pattern, polarization, bandwidth, beam width, antenna resistance, directivity and power gain, antenna gain; Dipole antenna: Half dipole antenna (Resonant Antenna) and its radiation pattern, folded dipole antenna and its radiation pattern, radiation pattern of Dipole antenna for different length Major lobe, minor lobe, Radiation Pattern for Unidirectional, bidirectional and Omni directional antenna; Antenna (working principle, construction, radiation pattern and applications): Loop antenna, Telescopic antenna, Yagi-Uda antenna, Micro wave antenna – Dish antenna, Horn antenna and Micro-strip patch antenna, Printed antenna, Smart antenna flexible antenna

What’s Inside the QuAn Book?

• Topicwise Question Bank – All important 2, 4 and 6 marks questions by unit
• Model Answers – Step-by-step solutions with diagrams and marking scheme
• Previous Exam Questions – Actual MSBTE Summer and Winter exam questions
• Frequency Analysis – Most repeated questions highlighted for focused study
• Marking Scheme – Know exactly what to write to score full marks
• Last Minute Ready – Ideal for quick and focused exam preparation

Subject Code: 313326 | Subject: Principles of Electronic Communication | Board: MSBTE | Scheme: K Scheme | Published by: ReemaS Edutech, Kolhapur