EI2355 COMMUNICATION AND DSP LABORATORY ,6TH SEM SYLLABUS




EI2355 COMMUNICATION AND DSP LABORATORY | ANNA UNIVERSITY B.E. ELECTRONICS AND INSTRUMENTATION ENGINEERING 6TH SEMESTER SYLLABUS REGULATION 2008| E&I 6TH SEM SYLLABUS | QUESTION BANK

EI2355 COMMUNICATION AND DSP LABORATORY
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OBJECTIVE To understand the concepts of various modulation techniques and to have an indepth knowledge
of various signal processing techniques.
1. Generation and Detection of Amplitude Modulation
2. Generation of Frequency Modulation and its Detection
3. Generation and Detection of PAM
4. Generation of BFSK and its Detection
5. Generation of standard inputs using simulation package
6. Analysis of Linear Systems [with Convolution and Deconvolution Operation]
7. FIR Filter Design (any one Technique)
8. IIR Filter Design (any one Technique)
9. Implementation of FFT algorithm
10 Implementation of Interpolation and Decimation function
TOTAL : 45 PERIODS
DETAILED SYLLABUS
1. GENERATION AND DETECTION OF AMPLITUDE MODULATION
AIM:
To study the working concept of Amplitude Modulation and detection
OBJECTIVE:
1. To study the modulation of message signal using high frequency carrier
2. To study the detection of message signal from the modulated signal
EXERCISE
MODULATION
1. Construct a modulation circuit using discrete components.
2. Using signal generators, give message signal and high frequency carrier.
3. Using CRO, observe Emax and Emin of modulated wave and find out
modulation index
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DETECTION
1. Construct demodulated circuit
2. Give modulated wave as input
3. Measure the amplitude and frequency of modulating signal
EQUIPMENTS REQUIRED
1. Signal Generators
2. Power supply
3. CRO
2. GENERATION OF FREQUENCY MODULATION AND ITS DETECTION
AIM:
To understand the working concept of Frequency Modulation and Detection
OBJECTIVE:
1. To study Frequency Modulation for the given modulated signal
2. To study Frequency Detection from the Frequency Modulated signal
EXERCISE
MODULATION
1. Construct a Frequency Modulation Circuit
2. Give Modulating Signal and Carrier using Signal Generators
3. Using CRO, Observe Frequency Deviation and calculate Modulation Index
DETECTION
1. Give Frequency Modulated Signal as input to the detector circuit
2. Using CRO, Observe Frequency and Amplitude of modulating signal.
EQUIPMENTS REQUIRED
1. Signal Generators
2. CRO
3. Power Supply
3. GENERATION AND DETECTION OF PAM
AIM:
To study the working concept of PAM and its detection
OBJECTIVE
1. To study PAM for the given Message Signal using Pulse train
2. To study the detection of message signal from the PAM Signal
EXERCISE
MODULATION
1. Construct a circuit using discrete components
2. Give analog message signal, pulse train carrier using signal generators
3. Using CRO, Observe the amplitude of the pulses of PAM Signal
DETECTION
1. Give PAM Signal to the detection circuit
2. Observe the Amplitude and Frequency of Message signal
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EQUIPMENTS REQUIRED
1. CRO
2. Signal Generators
3. Power Supply
4. GENERATION AND DETECTION OF BFSK
AIM:
To study the concept of BFSK Generation and its Detection
OBJECTIVE
1. To study BFSK Concept for the given analog modulating Signal.
2. To Study the retrieved Modulating Signal from the BFSK Signal.
EXERCISE
MODULATION
1. Construct BFSK Circuit using discrete components
2. Using Signal Generators, Give Message input Pulse Carrier to the circuit
3. Observe the amplitude and difference frequencies of output pulse train
DETECTION
1. Construct a Detection Circuit
2. Give BFSK Signal to the circuit and observe the amplitude and frequency of
output
EQUIPMENTS REQUIRED
1. CRO
2. Signal Generators
3. Power supply
5. GENERATION OF STANDARD TEST INPUTS USING SIMULATE PACKAGE
AIM:
To generate different signals (Signals and Sequences) Using MATLAB
OBJECTIVE:
1. To Generate Signals (Sine Wave, Exponential Wave, Sawtooth Wave)
2. To generate sequences (Impulse sequence, Step Sequence)
EXERCISE
1. Generate Signals using Sine, Exponential, Step Functions
2. Generate Sequences such as Impulse Sequences, Step Sequences using
Expression Ex. Cos (2*pi*t)
SOFTWARE REQUIRED:
MATLAB
6. ANALYSIS OF LINEAR SYSTEM [WITH CONVOLUTION AND DECONVOLUTION
OPERATION]
AIM:
To Study Linear Convolution of two sequences
83
OBJECTIVE:
1. To analyze Convolution and deconvolution of two sequences using CONV,
DECONV Functions
EXERCISE:
1. Generate Convolved Sequences using CONV function
2. Generate Convolved output using FFT.
7. FIR FILTER DESIGN
AIM:
To Design FIR Low Pass, High Pass, Band Pass filters using MATLAB
OBJECTIVE:
1. To design FIR Low Pass, High Pass, Band Pass filters using Windowing
Technique (Rectangular Window)
EXERCISE
1. Get the Passband and Stopband ripples
2. Get the Passband and Stopband edge frequencies
3. Get the sampling Frequency
4. Calculate the order of the filter
5. Find the window coefficients
6. Draw the magnitude and phase responses
MATLAB FUNCTIONS
fir1, freqz
8. IIR Filter Design (any one technique)
AIM:
To design a IIR Filter
OBJECTIVE
To design Butterworth IIR Filter using MATLAB
EXERCISE:
1. Get the Passband and Stopband ripples
2. Get the Passband and Stopband edge Frequencies
3. Get the sampling Frequency
4. Calculate the order of the filter
5. Find the filter coefficients
6. Draw the magnitude and phase responses
MATLAB FUNCTIONS
buttord, butter, freqz
9. IMPLEMENTATION OF FFT ALGORITHM
AIM:
To find out FFT of the given sequence
OBJECTIVE
1. To find out FFT of the given Sequence using FFT function
EXERCISE
1. Find out FFT of the sequence using FFT function
MATLAB FUNCTION
FFT
10 IMPLEMENTATION OF INTERPOLATION AND DECIMATION FUNCTION
AIM:
To implementation of interpolate and decimate the given Signal
84
OBJECTIVE
To interpolate and decimate the given signal
EXERCISE
Find out interpolation and Decimation of given signal using interpolate and
decimate function
MATLAB FUNCTION
Interpolate, Decimate




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