ITI's which provides courses for Information Technology & Electronics System Maintenance

Sem. I

Sr. No.

Subjects of Study

Trade Practical

Trade Theory

1

Visit to various labs, First aid Exercises and Fire fighting Procedures.

Familiarize with Hand Tools, and their uses, Elementary First Aid, General Safety Precautions

2

Handling and uses of Ammeter, Voltmeter, Ohm meter and Millimetres. Resistance measurement. Verification of Ohm's law, Measure the current, Voltage, Resistance in Series circuit, Parallel Circuit and Series parallel circuits

Basic Atomic structure, Conductors and Insulators, Electrical Terms and definitions. Resistance, Laws of Resistance and Resistivity. Ohm's law, Series circuit, Parallel circuit, series parallel circuit - their connections and characteristics.

3

Familiarize with the Log, Linear potentio meters, Wire wound resistors, Find the relation between resistance vs light in LDR, find the relation between resistance vs voltage in VDR.

Types of resistors, Linear and Non linear resistance, Carbon, Wire wound, Carbon film, Metal film resistors, LDR, VDR their characteristics, Variable resistors.

4

Familiarize with the lead acid battery, Charging of batteries, Series parallel connection of batteries.

Lead acid cell, its construction and chemical changes during charging and discharging. Battery charging methods. Maintenance free batteries. Lithium cell, Ni-cad cells their construction and applications.

5

Measurement of Inductance in various circuits, Flux adding, flux cancelling connections.

Magnetism and Electromagnetism. Faraday's law of electromagnetic induction, Self induction, Mutual Induction, Hysteresis curve of magnetic materials.

6

Measurement of capacitance, Capacitors in series, capacitors in parallel. RC time constant.

Capacitors, types and constructional details, Laws of capacitance, di-electric strength, capacitors in series and parallel

7

Find out the Inductive reactance, Capacitive reactance, Impedance, Power factor in series ac circuits. Measure the power in single phase circuit. Voltage, current, power measurements

AC fundamentals, series Ac circuit, Inductive reactance, Capacitive reactance, Impedance, Power factor, RC circuit, LC circuit, RLC circuits, Resonance. Single phase ac supply.

8

DC generator characteristics, Connect and start DC motors and change the direction of rotation

DC Generator & Motor, Shunt motor, Series motor and compound motors their working and applications Starters used for DC motors

9

Speed control of DC motors flux control method arid armature current control method.

Characteristics of DC Motors and their speed control methods.

10

Familiarize with the connection details and measure the current and voltage in the DC servo motor, AC servo motor, Stepper motor and Tacho -generator circuits

DC servo motor, AC servo motor, Stepper motor, Tacho generator and their constructional details, applications and uses.

11

Find the meter resistance and extend the range of the meters. Measure the Power in AC & DC circuit.

Measuring instruments, moving iron, moving coil meters, Ammeter, Voltmeter, Ohm Meter, Watt meter, energy meter their construction and working principles.

12

Make star and delta Connection with small step down transformers and measure the voltage in primary and secondary windings.

Transformers, step up, step down, efficiency of transformer, auto transformer, Star and delta connection in transformers

13

Connect and check various types of relays, Circuit breakers, Switch gears and contactors Practice on soldering and de-soldering

Types of Relays, Switches, Circuit Breakers (MCB, ELCB), Contactors their connections and applications. Soldering and de-soldering.

14

Measure the peak value, peak to peak value, Find out the RMS value, measure the DC voltage, Measure the time and find out the frequency using CRO.

CRO- block: diagram, Working principle of CRT, Functions of X-shift, Y-shift controls, time/div controls, Internal triggering and external triggering.

15

Forward and reverse characteristics of PN junction diode. Diode as a rectifier.

Semi conductors, Intrinsic and Extrinsic semiconductor, Majority carrier, Minority carrier, P type, N type. PN junction diode, forward characteristics and reverse characteristics

16

Measure the voltage and observe the output wave forms of Half wave, Full wave and Bridge rectifier circuits.

Half wave rectifier, Full wave rectifier and bridge rectifier their construction, working and output.

17

Construct and measure the output in Low pass, High pass and Band pass filter circuits.

Passive, filter, Low pass, High pass, Band pass and Band stop filter and their' applications, LT type, P type

18

Find and draw the characteristics curves of Bipolar transistors. Testing of transistors by millimetre.

Bi-polar Transistors, PNP, NPN type, Characteristics of transistors, Transistor as an amplifier, Transistor as a switch.

19

Characteristics of Zener Diode, Simple ' voltage regulator, Characteristics of Varicap, Photo diode and LED.

Zeher. Diode, its characteristics, Voltage regulator, Vari cap ndiode, Photo diode, LED, Opto Coupler their construction, working and applications.

20

Characteristics of CE, CC configurations and find their input impedance, Current gain and voltage gain.

CB, CE, CC configuration of transistors and their characteristics, Voltage gain, current gain, alpha, beta, and impedance.

21

Assembling of voltage divider biasing circuit, Self bias, auto bias and emitter feedback bias circuits and measure the voltages at base, collector and emitter.

Biasing of transistors, Voltage divider bias, self bias, emitter feedback bias, Collector feedback bias- their effects and uses & stabilization.

22

Observe the input and output waveforms in Class A, Class B, Class AB, Class C amplifiers.

Classification of amplifiers, Class A, Class B, Class AB and Class C amplifier their biasing, conduction period and distortion; applications

Construct and measure the gain in two stage RC coupled , LC coupled, Transformer coupled and Direct coupled amplifier

Coupling of amplifiers, RC coupling, LC coupling, Transformer coupling and Direct Coupling their features and applications.

Project Work

Sem. II

Trade Practical

Trade Theory

1

Assemble arid measure the output power of power amplifier circuits.

Power amplifier, Single ended, Complementary Push-Pull Power amplifier.

2

Study about the woofer, Mid range, Tweeter and find their frequency response.

Speakers and Micro-phones, Dynamic. Types of speakers their sizes, rating and frequency response.

3

Amplifier with feedback circuits; measure their output with feedback and without feedback.

Distortion in amplifiers, Amplitude distortion, Phase distortion and frequency distortion

4

Assemble and find the voltage gain in FET and MOSFET amplifiers.

Field Effect transistors, P Channel, N Channel, MOSFET their construction, Characteristics and applications.

5

Assemble and find the regulation in series regulator, Series parallel regulator, 3 terminal IC regulator, Variable voltage regulator.

Power supplies, Simple voltage regulator, Series voltage regulators, Series parallel voltage regulator with short circuit protection

6

Assemble and observe the output of different types of Oscillators, Multivibrators and Schmitt trigger.

Oscillators, LC oscillators, Crystal Oscillator. Mono stable, Bistable and Astable Multivibrators.

7

Circuit tracing and fault finding in SMPS, Inverters and UPS.

SMPS, Inverters and UPS their working principle and circuit functions.

8

Assemble and measure/observe the output on Inverting Amplifier, Non -Inverting Amplifier, Differential Amplifier, Summing Amplifier, Integrator and Differentiator.

Operational Amplifier, Inverting amplifier, Non-Inverting Amplifier, Differential Amplifier, Summing amplifier, gain, DC- offset, CMRR Integrator and-Differentiator.

9

Familiarize with the Audio section and Detector section of AM receiver.

Principles of Radio Propagation, Surface propagation, Ionospheric propagation.

10

Familiarize with FM receiver and FM stereo receiver.

Frequency modulation, advantages over Amplitude, modulation, FM Detector. FM stereo transmission.

11

Fault finding in AM receiver and AM/FM receiver.

AM receiver, RF amplifier, Local Oscillator, Mixer, TF section - their functions and working.

12

Familiarization with the TV receiver controls and their functions. Voltage and waveform measurement's in different sections

Television principles, Scanning and synchronizing. Television transmission.

13

Setting up of TVRO Terminal and Receive signal of different Satellites. Familiarize with the control room setup of a Cable TV service Provider.

Satellite Communication, UP link, Down Link, TVRO terminal, Setting up of TVRO terminal, Dish Antenna - its types and applications, LNB, Receivers, Cable TV network and its systems.

14

Familiarize with the cable network systems and signal transmission in forward and reverse.

Reverse path systems, Reverse path amplifiers, Internet connection through Cable net work

15

Familiarize with the Logic probe and digital signals. Assemble and verify the truth table for Basic logic gates and Combinational Logic gates.

Digital Signal and Analog signal, Advantages of digital signals, Number system, Binary, Bit, Byte, Octal, Hexadecimal systems and their conversion, 2's complement system. Basic Logic gates, AND, OR, NOT gates.

16

Assemble and verify the truth table of Half adder, Full adder, Controlled inverter and 2's complement adder/subtractor.

Half adder, Full adder, Half subtracter, Controlled inverter, 2's complement adder/subtracter. Concept of ALU.

17

Verify the truth tables of Various Flip -Flop circuits.

Flip-Flop, RS Flip-Flop, Clock pulse, Edge triggered, D Flip - Flop, JK Flip-flop and JK Master Slave Flip -Flop, T-Flip Flop

18

Assemble and observe the output of series shift register, Parallel shift register.

Registers, Series shift register, Bidirectional series shift register, Parallel shift register, Latch, Serial in-parallel out register, Parallel in-serial out register

Project Work

Sem. III

Trade Practical

Trade Theory

1

Verify the output and draw the timing diagrams for various counters. Testing of digital IC's.

Counters, Ripple Up counter, Ripple down counter, Up-Down counter, Parallel counter, Frequency dividers, Decade counter, Modulo N Counter, Ring counter, Jhonson counter

2

Familiarize with the display devices, Assembling of digital counter circuits and familiarize with digital millimetre circuits.

Display devices, 7 segment format, LED, LCD displays, Dot matrix format, Multiplexing and de-multiplexing.

3

Visit to establishments with general purpose and special purpose computers.

Computer - Definition, features and applications. Hardware, software, live ware and firm ware. Data, data types, physical & logical concepts of data.

4

Familiarize with the memory chips. Programming the ROMs. Copying PROM, Erasing PROM.

Block diagram of a Computer System. Standard and common input/output devices. Primary and Secondary Memory.

5

Familiarize with the Microprocessors, Address bus, Data Bus. Assembly language programs using 8085 instruction set

Micro processor-Program counter, Stack pointer. Internal address bus, External address bus, Data bus, Registers, ALU, Memory interfacing, I/O interfacing and Interrupt interfacing techniques.

6

Understanding the keys and their functions in keyboard. Keyboard operation and practicing with mouse.

Booting - Booting sequence, cold and warm booting. Booting files and their functions. Power On Self Test (POST).

7

Introduction to Windows - The user interface, Using mouse, status bar, Start, Menus, Running applications

MS Windows - Starting Windows and its operations. File management through Windows Explorer; Display and Sound properties.

8

Advanced Windows - Creating shortcuts & Folders. Using Accessories. Adding arid removing components of windows.

Applications of essential accessories such as notepad, Paintbrush, Calculator, Calendar, Media player and Sounds.

9

Identification of different Buses, Processor sockets and RAM sockets.

Mother Boards- Form factors, common components, different connectors HDD, Power Supply; Different processor sockets.

10

Identification, Installing and checking of add-on cards by configuring

Expansion cards- different types, their uses. Checking and replacing the cards.

11

Installation of HDD and CD Drives. Formatting and partition the HDD.

Drives - Hard Disk drives, CD Drives. 'Their types, construction and working.

12

Identification and interfacing different type of Keyboards and mouse.

Key board and Mouse- different types, working, and interfacing Ports - Serial & parallel, PS/2 & USB

13

Fault finding procedure in monitors. Adjusting the brightness and contrast pots.

Monitors- their working and study the circuit functioning. VGA, SVGA, XVGA and their control cards AGPs

14

Installation, Servicing of Different types of Printers, Scanners, Plotters and Bar code readers. Self Test for Printers

Printers- types, servicing, Interfacing of Various printers. Scanners and plotters their types, Interfacing. Concept of Bar Coding and Bar code reader

15

Installation and setting of Multi -media components. Installation of various multimedia soft-wares.

Multi media - their hard-wares and supporting soft -wares.

Project Work

Sem. IV

Trade Practical

Trade Theory

1

Practice of Assembling and Dismantling a PC. Configuring the BIOS.

Assembling and dismantling of a PC. Configuring the BIOS.

2

Familiarize with the circuits and maintenance of CD/VCD/DVD players and blue tooth devices.

ACD, VCD, DVD, Laser recording, Playback, VCD players & DVD player, and blue tooth devices

3

Familiarize with the Circuits of the Telephone Receiver.

Different types of telephone receiver its function and working, Ringer, Dialer, Audio Circuits. Functions of EPABX.

4

Servicing and maintenance of mobile phone hand-sets. Familiarize with the base

Mobile phone concepts and its principle, Communication process, metering, SMS, Receiving e-mail Wireless Local Loop ( WLL) technology and its application

5

Installation, operation and maintenance of FAX machines and Scanners.

Data Communication Network - Fundamentals.

6

Programming with C & C++, different date types, flow control, data representation.

Software - concepts of software & Algorithm, Flow chart, Decision tables & Programming techniques.

7

Preparation of cables for Networking. Structured Cabling. Installing & Configuring a peer-to-peer network using Windows.

Networking - its advantages and systems, topologies, client/Server system, Peer-toper systems, LAN, WAN, ISOOSI Model, Various protocols used for net working, Net work soft-wares. Ethernet.

8

Installing & Configuring Netware Server and setting nodes and print server.

Communication Media & Connectors -UTP, STP and coaxial cables. Fibre optic cables and its types

9

Installation and testing of various Network Components

Network Components, - Modems, Hub, Router, Gateways, Switch, Bridge, Repeaters etc.

10

Installing & configuring Internet & Intranet using PSTN & ISDN.

Internet & Intranets-Principle, uses, Services, Protocols & Layout. Addressing system.

11

Installation of Mail Server, Web Server, Proxy Server and Database Server.

Simple Mail Transfer Protocol (SMTP), Telnet, File Transfer Protocol (FTP), Hyper Text Transfer Protocol (HTTP), Simple Network Management Protocol (SNMP).

12

Familiarize with the ' digital data transmission for WAN. Visit to establishments installed with WAN and earth stations.

Data communication through Satellite. Digital transmission. Leased line connectivity, WAN.

13

Setting tip the videoconferencing hardware and software; Setting up and configuring the Internet Telephony using VOIP.

Video conferencing techniques, Voice mail, Internet Telephony.

14

Familiarization with ecommerce and related sites, Familiarization with E-governance.

Concept of E-Commerce. E-governance.

15

Word processing, Excel, Power Point

Word processing, Excel, Power Point concepts, and applications.

16

Familiarization with ongoing IT Projects.

Familiarization with ongoing IT Projects.