College of Engineering & Management, Kolaghat

BASIC ELECTRONICS ENGINEERING LAB (ES-191 & ES-291)

Room No: W401

LIST OF EXPERIMENTS(ODD SEM ES-191)

• Familiarisation with passive and active electronic components such as Resistors, Inductors, Capacitors, Diodes, Transistors (BJT) and electronic equipment like DC power supplies,multimeters etc.
• Familiarisation with measuring and testing equipment like CRO, Signal generators etc.
• Study of I-V characteristics of Junction diodes.
• Study of I-V characteristics of Zener diodes.
• Study of Half and Full wave rectifiers with Regulation and Ripple factors.
• Study of I-V characteristics of BJTs

LIST OF EXPERIMENTS (EVEN SEM ES-291)

• Study of I-V characteristics of Field Effect Transistors.
• Determination of input-offset voltage, input bias current and Slew rate of OPAMPs.
• Determination of Common-mode Rejection ratio, Bandwidth and Off-set null of OPAMPs.
• Study of OPAMP circuits: Inverting and Non-inverting amplifiers, Adders, Integrators and Differentiators.
• Study of Logic Gates and realization of Boolean functions using Logic Gates.
• Study of Characteristic curves for CB, CE and CC mode transistors.

Major Equipment:

• System Trainer kit
• Function Generator
• 20 MHz CRO
• Power supply(0-30V)
• Modern Digital Multimiter
• Multi Utility Power Supply Unit
• Analog Ammeter (0-100 mA)
• Analog Voltmeter (0-100 mV)
• Frequency Counter
• Personal Computer

DIGITAL COMMUNICATION [EC691 & EE-792(C)]

ROOM. NO. W202

LIST OF EXPERIMENTS (EC691):

• Design, implementation and study of all the properties of 7-length and 15-length pn sequences using shift register.
• Study of PAM and demodulation.
• Study of PCM and demodulation.
• Study of line coders: polar/unipolar/bipolar NRZ ,RZ and Manchester.
• Study of delta modulator and demodulator.
• Study of adaptive delta modulator and demodulator.
• Study of BPSK modulator and demodulator.
• Study of BFSK modulator and demodulator.
• Study of ASK modulator and demodulator.
• Study of QPSK modulator and demodulator.
• Simulation study of probability of symbol error for BPSK modulation.
• Simulation study of probability of symbol error for BFSK modulation.

 LIST OF EXPERIMENT [EE-792(C)]:

• Design, implementation and study of all the properties of 7-length and 15-length pn sequences using shift register.
• Study of PAM and demodulation.
• Study of PCM and demodulation.
• Study of line coders: polar/unipolar/bipolar NRZ, RZ and Manchester.
• Study of delta modulator and demodulator.
• Study of adaptive delta modulator and demodulator.
• Study of BPSK modulator and demodulator.
• Study of BFSK modulator and demodulator.
• Study of ASK modulator and demodulator.
• Study of QPSK modulator and demodulator.
• Simulation study of probability of symbol error for BPSK modulation.
• Simulation study of probability of symbol error for BFSK modulation.

 MAJOR INSTRUMENTS:

i) 20MHz CRO, ii) 2 Ch 100 MHz Zoom Oscilloscope, iii) Pulse Generator, iv) Function Generator, v) AM/FM generator, vi) Noise Generator, vii) AM Mod/Demod Kit, viii) SSB-SC Mod/Demod Kit, ix) DSB-SC Mod/Demod Kit, x) VCO – PLL - FRQ Mod/Demod Kit, xi) Pulse Width Mod/Demod Kit, xii) FSK System Kit, xiii) BPSK System Kit, xiv) TDM Kit, xv) PCM Kit, xvi) PAM Kit, xvii) ADM/LDM Kit, xviii) Super heterodyne Receiver & Transmitter kit ,xix) Data conditioning & reconditioning carrier modulation Transmitter Receiver kit, xx) PAM / PWM / PPM kit, xxi) 2.7GHz Spectrum Analyzer with in-built Tracking Generator, xxii) Personal Computer, xxiii) LaserJet Printer

ANALOG ELECTRONIC  LAB ( EC-491 & EC-591). ROOM.NO.:-N213

LIST OF EXPERIMENTS:

1. Study of Diode as clipper & clamper
2. Study of Zener diode as a voltage regulator
3. Study of ripple and regulation characteristics of full wave rectifier without and with capacitor filter
4. Study of characteristics curves of B.J.T & F.E.T .
5. Design a two-stage R-C coupled amplifier & study of it’s gain & Bandwidth.
6. Study of class A & class B power amplifiers.
7. Study of class C & Push-Pull amplifiers.
8. Realization of current mirror & level shifter circuit using Operational Amplifiers.
9. Study of timer circuit using NE555 & configuration for monostable & astable multivibrator.
10. Design a Bistable multivibrator using NE 555.
11. Study of Switched Mode Power Supply & construction of a linear voltage regulator using regulator IC chip.
12. Design a simple function generator using IC.
13. Realization of a V-to-I & I-to-V converter using Op-Amps.
14. Realization of a Phase Locked Loop using Voltage Controlled Oscillator (VCO).
15. Study of D.A.C & A.D.C.

DIGITAL SIGNAL PROCESSING LAB (EC-691)

ROOM. NO. 218

LIST OF EXPERIMENTS:

Simulation Laboratory using standard Simulator:

1. Sampled sinusoidal signal, various sequences and different arithmetic operations.
2. Convolution of two sequences using graphical methods and using commands- verification of the properties of convolution.
3. Z-transform of various sequences – verification of the properties of Z-transform.
4. Twiddle factors – verification of the properties.
5. DFTs / IDFTs using matrix multiplication and also using commands.
6. Circular convolution of two sequences using graphical methods and using commands, differentiation between linear and circular convolutions.
7. Verifications of the different algorithms associated with filtering of long data sequences and Overlap –add and Overlap-save methods.
8. Butterworth filter design with different set of parameters.
9. FIR filter design using rectangular, Hamming and Blackman windows.

Hardware Laboratory using either 5416 or 6713 Processor and Xilinx FPGA:

1. Writing & execution of small programs related to arithmetic operations and convolution using Assembly Language of TMS320C 5416/6713 Processor, study of MAC instruction.
2. Writing of small programs in VHDL and downloading onto Xilinx FPGA.
3. Mapping of some DSP algorithms onto FPGA.