PWM - Pulse Width Modulation (Basics, Circuit, Working, & Waveforms) Explained

Описание: PWM - Pulse Width Modulation is explained by the following outlines:

0. PWM - Pulse Width Modulation
1. Basics of PWM - Pulse Width Modulation
2. Circuit of PWM - Pulse Width Modulation
3. Working of PWM - Pulse Width Modulation
4. Waveforms of PWM - Pulse Width Modulation

Chapter-wise detailed Syllabus of the Digital Communication Course is as follows:

Chapter-1 Basics of Digital Communication System:    • Introduction to Digital Communication  
Block Diagram of Digital communication system, Advantages, and disadvantages of digital communication system, Scrambling, Regenerative Repeater, Eye Diagram, Attention of signal, Bit rate and Baud rate.

Chapter-2 Digital Modulation Techniques:    • Digital Modulation Techniques  
Amplitude Shift Keying ASK, Frequency Shift Keying FSK, Phase Shift Keying PSK, Differential Phase Shift keying DPSK, Quadrature Phase Shift Keying QPSK, Binary Phase Shift Keying BPSK, M array Frequency Shift Keying MFSK, Quadrature Amplitude Modulation QAM, Comparison of QAM and PSK.

Chapter-3 Pulse Digital Modulation:    • Pulse Digital Modulation  
Sampling, Aliasing, Nyquist rate, Types of sampling, Performance comparison of sampling, PWM - Pulse width modulation, PPM - Pulse Position modulation, Performance comparison of PAM, PWM and PPM, Quantization and its parameters, SNR of Quantization, Uniform Quantization, Pulse Code Modulation PCM, Nonuniform Quantization, Companding basics, A law and Mu law for Nonuniform quantization, Differential Pulse Code Modulation DPCM, Delta Modulation DM, Adaptive Delta Modulation ADM.

Chapter-4 Multiple Access Techniques:    • Multiple Access Techniques  
Examples on TDM, Examples on T1 carrier system.

Chapter-5 Line Coding Techniques:    • Line Coding Techniques  
Basic of Line Coding Techniques, Pulse shaping techniques, NRZ, RZ & Manchester coding, PSD of NRZ unipolar line coding scheme, PSD of NRZ polar line coding scheme, PSD of NRZ bipolar line coding scheme, PSD of Manchester polar line coding scheme, Comparison of Unipolar, Polar, Bipolar and Manchester Line coding scheme.

Chapter-6 Information theory:    • Information Theory  
Basics of Information, Basics of Entropy, Shannon Fano Encoding, Huffman Coding, Lempel Ziv Coding, Shannon Hartley theorem, basics of probability, Random variables, Cumulative distribution function CDF, Probability Density function PDF.

Chapter-7 Error detection and error correction codes:    • Error Detection and Error Correction Codes  
Block Codes, Hamming Codes, Linear Block Codes, Cyclic Codes, Convolutional Codes, Code Trellis, Viterbi Algorithm, Block Codes for single parity checks, Block Codes for product codes, Block Codes for Repetition codes, Cyclic codes for a systematic codeword, Cyclic codes for nonsystematic codeword.

Chapter-8 Spread Spectrum Modulation:    • Spread Spectrum Modulation  
Basics of Spread Spectrum Modulation, Frequency Hoping Spread Spectrum FHSS, Direct Sequence Spread Spectrum DSSS.

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