About : This Laboratory is used for enhancement of fundamental logics about the electronic circuits and components. In this Lab, the first year students are trained to handle the basic equipments/instruments including Signal Generators, Cathode Ray Oscilloscope and Digital Multimeter. Fundamental experiments in Analog and Digital Electronics are offered. This lab is intended to give the students a practical experience in working with semiconductor devices such as junction diodes, bipolar junction transistors (BJTs), MOS field effect transistors (MOSFETs) and op-amps, and examines the design and operation of important circuits that utilize these devices.
List of Experiments (ODD SEM ES-191)
1. Familiarisation with passive and active electronic components such as Resistors, Inductors,Capacitors, Diodes, Transistors (BJT) and electronic equipment like DC power supplies,multimeters etc.
2. Familiarisation with measuring and testing equipment like CRO, Signal generators etc.
3. Study of I-V characteristics of Junction diodes.
4. Study of I-V characteristics of Zener diodes.
5. Study of Half and Full wave rectifiers with Regulation and Ripple factors.
6. Study of I-V characteristics of BJTs
LIST OF EXPERIMENTS(EVEN SEM ES-291)
1. Study of I-V characteristics of Field Effect Transistors.
2. Determination of input-offset voltage, input bias current and Slew rate of OPAMPs.
3. Determination of Common-mode Rejection ratio, Bandwidth and Off-set null of OPAMPs.
4. Study of OPAMP circuits: Inverting and Non-inverting amplifiers, Adders, Integrators and Differentiators.
5. Study of Logic Gates and realization of Boolean functions using Logic Gates.
6. Study of Characteristic curves for CB, CE and CC mode transistors.
1. System Trainer kit
2. Function Generator
3. 20 MHz CRO
4. Power supply(0-30V)
5. Modern Digital Multimiter
6. Multi Utility Power Supply Unit
7. Analog Ammeter (0-100 mA)
8. Analog Voltmeter (0-100 mV)
9. Frequency Counter
10. Personal Computer
The primary objective of the lab is to serve as a platform for understanding the operating principles of electronic devices through experiments and also to study their characteristics. Most importantly this lab provides our students the knowledge about different diodes and analysis of simple circuits using diodes, testing of transistors (BJT, JFET, MOSFET) and idea about their characteristic curves. This lab builds the confidence of the students to design the advanced electronic circuits. The students study the impact of various design parameters on the performance of the circuits using Multisim simulator Syllabus
LIST OF EXPERIMENTS (EC-391) :
1. Study input characteristics of BJT in common-emitter configuration .
2. Study output characteristics of BJT in common-emitter configuration for different base currents and hence determine hybrid parameters.
3. Study output characteristics of BJT in common-emitter configuration and find performance parameters (Voltage Gain, Current Gain, Input Impedance, and Output Impedance).
4. Study the variation of small-signal voltage gain with frequency of a common-emitter RC coupled amplifier.
5. Study of drain characteristics and transfer characteristics of a JFET and hence determine the FET parameters (drain resistance, transconductance & amplification factor).
6. Study the variation of small-signal voltage gain with frequency of a JFET.
Module 2 :
1. Study of C-V characteristics of a Varactor diode by appropriate software.
2. Study of C-V characteristics of a MOS structure by appropriate software.
3. Study of drain characteristics and transfer characteristics of a MOSFET and hence determine the FET parameters (drain resistance, transconductance & amplification factor).
Major Equipments :
1. BJT Switching Characteristic Trainer Kit
2. BJT Amplifier Trainer Kit
3. FET Characteristic Trainer Kit
4. FET Amplifier Trainer Kit
5. MOS-FET Trainer Kit
6. RC-Coupled Amplifier
7. Function Generator
For Signals & Systems and Digital Signal Processing experiments various facilities like 10 TMS 68xx DSP boards, add on cards for interfacing application, Matlab 6.5 with full version, simulink tools are provided. With these resources a batch of students, do experiments on various signal processing problems such as signal generation, different operations on signals, different transforms, filter design, speech processing, image processing etc. Students also use these facilities for their various project works Syllabus:
LIST OF EXPERIMENTS (EC-393) :
1. To study Z- transform of: a) Sinusoidal signals b) Step functions.
2. To compare Fourier and Laplace transformations of a signal.
3. To study convolution theorem in time and frequency domain.
4. To Study Signal Synthesis via sum of harmonics.
5. To study LPF & HPF, Band pass and reject filters using RC circuits.
6. To demonstrate how analog signals are sampled and how different sampling rates affect the outputs.
7. To study sampling theorem for low pass signals and band pass signals.
The purpose of this lab is to provide a platform to the students for understanding the working principles of different types of active and passive elements through experiments and to study their characteristics. This lab makes student able to design, test and examine simple circuits with transistor, op-amp, amplifiers, oscillators etc. Most importantly they will be able to recognize, understand, modify and repair majority of circuits used in professional equipment design. It contains prominent experiments related to OP-AMP Parameters, Realization of Second order Active Filter, Voltage to Frequency Conversion, 555 Timer etc. The students design the circuits, solder them and then test the performance experimentally. The students also validate the experimental results using P-Spice computer simulator.
LIST OF EXPERIMENTS (EC-394):
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.
1. Monostable and Astable Multi-Vibrator Trainer Kit
3. Biastable Multi-Vibrator Trainer Kit
8. Function Generator
9. Analog Trainer Kit
10. Dc Powe Supply
11. Class C Amplifier Kit
12. Push-Pull Amplifier Kit
About: The objective of this lab is to provide our students a platform for practicing their theoretical knowledge by designing, constructing and testing the combinational as well as sequential digital circuits. The theoretical idea of the students are validated by testing the combinational and sequential logic circuits using trainer kit and as well as by constructing the circuits with bread board by using different ICs. This laboratory contains prominent experimental trainer kits related to various Logic-Gates, Flip-Flops, Counters & Shift Registers, Adder/ Subtractor, Multiplexer/Demultiplexer, Encoder/Decoder etc.
LIST OF EXPERIMENTS (EC-492) :
1. Realization of basic gates using Universal logic gates.
2. Code conversion circuits- BCD to Excess-3 & vice-versa.
3. 4-bit parity generator & comparator circuits.
4. Construction of simple Decoder & Multiplexer circuits using logic gates.
5. Construction of simple arithmetic circuits-Adder, Subtractor.
6. Realization of RS-JK & D flip-flops using Universal logic gates.
7. Realization of Universal Register using JK flip-flops & logic gates.
8. Realization of Universal Register using multiplexer & flip-flops.
9. Construction of Adder circuit using Shift Register & full Adder.
10. Realization of Asynchronous Up/Down counters.
11. Realization of Synchronous Up/Down counters.
12. Design of Sequential Counter with irregular sequences.
13. Realization of Ring counter & Johnson’s counter.
1. 20 MHz CRO
2. Personal Computer & Printer
3. Digital Trainer Kit
4. 20 MHz Logic Scope
5. Digital IC tester.
About : This lab helps the students to know about the radiation patterns of different types of antennas. This laboratory also provides set up for measurement of different transmission line related parameters. The setups are interfaced with computers and can support a wide range of frequency spectrum. This lab is one of the most important labs of communication engineering. In this lab student performs the practical for the antenna characteristics and its various properties. This lab has more than 22 different kinds of antennas which are micro strip, loop, helical, horn, Yadi-Uda and log periodic antennas etc. Research Based facilities and supports to final year students are provided in this laboratory in the field of Compact multiband Microstrip Antenna, Broadband Microstrip Antenna, Ultra wideband printed Antenna, Monopole Antenna, Defected ground structures, Microstrip Filter and RFID.
LIST OF EXPERIMENTS (EC-491)
1. Plotting of Standing Wave Pattern along a transmission line when the line is open-circuited, short-circuited and terminated by a resistive load at the loadend.
2. Input Impedance of a terminated coaxial line using shift in minima technique.
3. Study of Smith chart on Matlab platform.
4. Simulation study of Smith chart - Single and double stub matching.
5. Radiation Pattern of dipole antenna.
6. Radiation Pattern of a folded-dipole antenna.
7. Radiation pattern of a 3-element Yagi-Uda Antenna.
8. Beam width, gain and radiation pattern of a 3-element, 5-element and 7-element. Yagi-Uda antenna - comparative study.
9. Radiation pattern, Gain, Directivity of a Pyramidal Horn Antenna.
10. Study of Spectrum Analyzer.
1. Antenna Test Bench
2. Various Antennas
3. Tunable Detector
4. VSWR Meter
5. RF Detector
About: The experiments in this laboratory enable the students to gather basic knowledge on communication systems. In this lab, experiments for Analog Communication Design lab and Digital Communication lab are carried out. The experiments are the fundamental blocks of any communication system use now-a-days. The experiments include study of AM, FM, ASK, FSK, PSK, PAM, PWM, PCM, DM etc. Students are also exposed to the different multiplexing techniques like TDM and FDM.
LIST OF EXPERIMENTS (EC-591) :
1. Measurement of modulation index of an AM signal.
2. Measurement of output power with varying modulation index an AM signal (for both DSB- & SSB).
3. Measurement of distortion of the demodulated output with varying modulation index of an AM signal (for both DSB-SC & SSB).
4. Measurement of power of different frequency components of a frequency modulated signal & the measurement of the bandwidth.
5. Design a PLL using VCO & to measure the lock frequency.
6. Design a FM demodulator using PLL.
7. Measurement of SNR of a RF amplifier.
8. Measurement of selectivity, sensitivity, fidelity of a super heterodyne receiver.
9. Study of waveforms of various functional points (output of RF,IF & video) of a B/W TV receiver.
10. Study of the vertical & horizontal sweep of the time base unit of a B/W TV.
11. One innovative experiment.
List Of Experiments (EC-691) :
1. Design, implementation and study of all the properties of 7-length and 15-length pn sequences using shift register.
2. Study of PAM and demodulation.
3. Study of PCM and demodulation.
4. Study of line coders: polar/unipolar/bipolar NRZ, RZ and Manchester.
5. Study of delta modulator and demodulator.
6. Study of adaptive delta modulator and demodulator.
7. Study of BPSK modulator and demodulator.
8. Study of BFSK modulator and demodulator.
9. Study of ASK modulator and demodulator.
10. Study of QPSK modulator and demodulator.
11. Simulation study of probability of symbol error for BPSK modulation.
12. Simulation study of probability of symbol error for BFSK modulation.
1. 20MHz CRO
2. 2 Ch 100 MHz Zoom Oscilloscope
3. Pulse Generator
4. Function Generator
5. AM/FM generator
6. Noise Generator
7. AM Mod/Demod Kit
8. SSB-SC Mod/Demod Kit
9. DSB-SC Mod/Demod Kit
About: In this laboratory students get their first exposure on the programming of basic microprocessor chips like 8084, 8085 etc and 8051 microcontroller. This lab contains large number of microprocessor programming trainer kit. They also perform different application programming such as interfacing many peripheral elements like display, motor etc. Different Microcontroller based projects are performed in this laboratory. Chip burning facility is provided in this laboratory.
LIST OF EXPERIMENTS (EC-592):
1. Study of prewritten programs on trainer kit using the basic instruction set (data transfer, Load/Store, Arithmetic, Logical) Assignments based on above.
2. Familiarization with 8085 & 8051simulator on PC. Study of prewritten programs using basic instruction set (data transfer, Load/Store, Arithmetic, Logical) on the simulator. Assignments based on above.
3. Programming using kit and simulator for: i. Table look up ii. Copying a block of memory iii. Shifting a block of memory iv. Packing and unpacking of BCD numbers v. Addition of BCD numbers vi. Binary to ASCII conversion vii. String Matching, Multiplication using shift and add method and Booth’s Algorithm
4. Program using subroutine calls and IN/OUT instructions using 8255 PPI on the trainer kit e.g. subroutine for delay, reading switch state and glowing LEDs accordingly.
5. Study of timing diagram of an instruction on oscilloscope.
6. Interfacing of 8255: Keyboard and Multi-digit Display with multiplexing using 8255
7. Study of 8051 Micro controller kit and writing programs as mentioned in S/L3. Write programs to interface of Keyboard, DAC and ADC using the kit.
8. Serial communication between two trainer kits.
1. Digital Storage Oscilloscopes (100 MHz)
2. Arbitrary Function Generators (20 MHz)
3. Microprocessor kits and data acquisition cards
4. DC Power Supplies
5. Microcontroller Programmer
6. Universal Programmer
7. Universal IC Tester
8. PC-based Data Acquisition System
About : Electronics and communication department provides DSP lab. This lab is used in DSP and advanced DSP course for the student of Final Year B.Tech ECE Stream. In this lab students get knowledge about the signal processing, Digital Filter Design, Sampling, DFT, Convolution and FFT Algorithm using DSP processor kit. It is a 32bit processor kit. This lab is very advanced lab.
LIST OF EXPERIMENTS(EC-692) :
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
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.
Major Equipments/Tools :
1. DSP Trainer Kit
2. Matlab Software
About : For VLSI Design lab, Microwind tool is available to simulate the CMOS schematics and layout designs for various digital functions. Also, the Modelsim tool is used to do the hardware programming using VHDL or VERILOG. In this lab, students are given exposure to various design methodologies to module the circuits using VHDL and Verilog HDL.They are trained to verify and analyze the design using simulation tool (Modelsim 6.3) and synthesized using Xilinx 10.1 ISE foundation where the design is converted to Net-List. The program is verified practically by implementing it on FPGA (Field Programmable Gate Array) like Spartran-2E, Spartran -3 XC3S500K and CPLD (Complex Programmable Logic Device) like Cool Runner. The laboratory has licensed computer terminals are available for carrying out the above mentioned experiments.
LIST OF EXPERIMENTS (EC-792) :
1. Familiarity with Spice Simulation tool.
2. Spice Simulation of Inverter, NAND, NOR Gates.
3. Familiarity with EDA tools for VLSI design / FPGA based system design.
4. Layouts, Transistors and tools.
5. Standards cell Design.
6. Design of CMOS XOR/XNOR Gates.
7. Design of CMOS Full Adder.
8. Design of CMOS Flip Flops (R-S, D, J-K).
9. Design of 8 bit synchronous Counter.
10. Design of 8 bit bi-directional register with tri-stated input/output bus.
11. Design of a 12 bit CPU with few instructions and implementation and validation on FPGA.
1. VLSI Trainer Kit
2. Daughter Card FPGA
3. Daughter Card CPLD
4. Peripheral Card
5. Xilinx CD (Installer)
6. Manual CD
Microwave Engineering Laboratory consists of various
1:- Microwave Sources such as Gunn Diode and Reflex Klystron Oscillator.
2:- Discrete X-Band Waveguide components such as Directional Coupler, Magic Tee, Variable attenuator, Detector and Matched termination etc.
3:- Ferrite Components such as isolator and Circulator.
4:- Microwave Measuring devices such as Slotted line Section, VSWR meter and Frequency meter.
5:- Microwave antennas such as parabolic dish and Horn antenna. All these sources and components operate in the frequency range of 8-12GHz.
In this Lab students are given hands-on experience on setting up the microwave bench for studying the characteristics of microwave sources, scattering parameters of microwave components and radiation pattern of microwave antennas. This Lab fills the gap between theory and experimental techniques. Students will also get exposure to the use of microwave test equipment for making measurements of frequency, VSWR, S-parameters, impedance and guide wavelength.
LIST OF EXPERIMENTS (EC-793(A) :
1. Measurement of dielectric constant using waveguide test bench (WR 90).
2. Measurement of coupling and Directivity of Directional Coupler using Calibrated Attenuator.
3. Study of Characteristics of Gunn Oscillator using power meter with bolometer and frequency meter.
4. Klystron Characteristics (Static method & Dynamic method) using power meter with bolometer and frequency meter.
5. Measurement of reflection coefficient without using slotted line (using two directional couplers and calibrated attenuator)
6. Scattering Matrix of Magic Tee/E plane Tee/H plane Tee using waveguide test bench (WR-90).
7. Measurement of unknown Impedance (Inductive, Capacitive and Resonant Windows.)
8. Measurement of wave length, Guided wave length and Frequency using Waveguide test bench (WR-90). Calculation of broad wall dimension of waveguide & w-b plot
1. Microwave Test Bench
2. VSWR Meter
3. Various Antennas
4. Tunable Detector