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Syllabus for the Trade of “Electronics Mechanic”
Duration: 6 Months
Second Semester
Semester Code: ELM: SEM II
Analog and Digital Electronic Circuits
OBJECTIVES
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Construct and test simple amplifier circuits
Construct and test wave shaping circuits
Identify and test power electronic components
Identify and test opto electronic devices
Practice SMD Soldering and De-soldering of Simple SMD components
Identify and verify truth tables of various digital ICs using Data book
Practice circuit simulation software to simulate and test the circuits
Stimulate and test various circuits using the software
Identify and test various types of LEDs and LED displays
Construct and test various OP-AMP IC based circuits
Construct and test 555 IC based application circuits
12
SYLLABUS FOR TRADE PRACTICAL AND TRADE THEORY
SEMESTER-II
Week No
1
Trade practical
Transistor
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2-3
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Identify PNP and NPN Transistors
Record the different specification of
transistors using data book/web site
Identify different transistors with respect
to different packaging styles, power,
switching transistor, heat sinks
Measure E-B, C-B & C-E terminal
resistances and infer.
Construct and test a transistor based
switching circuit to control a relay (use
Relays of different coil voltages and
Transistors of different β )
Construct a Transistorized amplifier vary
the gain by changing the circuit
components
Amplifier
Construct and test voltage divider bias
Construct and Test a common emitter
amplifier with and without bypass
capacitors
Construct and Test common base
amplifier
Construct and Test common
collector/emitter follower amplifier
Construct and Test Darlington amplifier
Construct and test a two stage RC
Coupled amplifier
Construct and test a Class B
complementary push pull amplifier
Construct and test class C Tuned
amplifier
13
Trade theory
Construction, Working of a PNP and
NPN Transistors. Purpose of E, B &
C Terminals. Flow of currents into
and out of terminals of PNP/ NPN
Transistors and their relations.
Significance of β of a Transistor
Need for Biasing of Transistor
junctions, Interpretation of main
parameters of a Transistor.VBE,
VCB,VCE, IC, IB, Junction
Temperature, junction capacitance,
Frequency of operation, Discuss a
Transistor application as a switch.
Discuss a Transistor application as an
amplifier. Define input impedance
and output impedances
Transistor power ratings & packaging
styles, use of different heat sinks.
Transistor (CB, CE & CC)
configurations
and
their
characteristics and applications
Transistor biasing circuits and
stabilization Techniques.
Classification of amplifiers according
to frequency, mode of operation,
methods of coupling, Voltage
amplifiers- voltage gain, loading
effect. Configuration of common
emitter, common base, common
collector transistor, their definition
characteristics and applications.
Single stage CE amplifier, (CC
amplifier) emitter follower circuit and
its advantages RC coupled amplifier,
Distinguish between voltage and
power amplifier, Push pull amplifier
and class C tuned amplifier Alpha,
beta, voltage gain, Concept of dB
dBm. Feedback and its types.
4
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5
6-7
8
Demonstrate Colpitts oscillator, Hartley
oscillator circuits
Construct and test a RC phase shift
oscillator circuits
Construct and test a crystal oscillator
circuits
Demonstrate
Astable,
monostable,
bistable circuits using transistors.
Wave shaping circuits
 Construct and test shunt clipper
 Construct and test series and dual clipper
circuit using diodes
 Construct and test clamper circuit using
diodes
 Construct and test Schmitt trigger circuit
using transistors
Power Electronic Components
 Identify FET transistors and record main
parameters from the Data book
 Test the given FET using multi meter
 Construct and test a FET Amplifier
 Identify SCRs of different ratings and the
packages
 Test different SCRs using a Multi meter
and component tester
 Construct a test circuit to test SCRs
 Construct a test circuit of SCR using UJT
triggering
 Identify different heat sinks used with
SCRs.
 Construct a snubber circuit for protecting
SCR use freewheeling diode to reduce
back emf.
 Construct and test solid state relay.
 Construct a jig circuit to test DIAC
 Identify and test a TRIAC using multi
meter
 Construct a simple dimmer circuit using
TRIAC
 Identify and Test a UJT using multi meter
 Construct UJT based free running
oscillator and change its frequency.
MOSFET & IGBT:
 Identify MOSFET by its number
 Identify different heat sinks used with
various power MOSFET devices.
 Construct MOSFET test circuit with a
small load
 Identify IGBT by its number
14
Introduction to positive feedback and
requisites of an oscillator, Study of
Colpitts, Hartley, Crystal and RC
oscillators.
Types of multi vibrators and study of
circuit diagrams
Diode shunt clipper circuits and
Clamping /limiting circuits and their
applications.
Schmitt trigger circuits
Construction of FET, differentiate it
with BJT. Purpose of Gate, Drain and
source terminals and voltage / current
relations between them,
Impedances
between
various
terminals.
Interpret
the
main
parameters of the FET. Suitability of
FET amplifiers in measuring device
applications. Working of power
electronic components such as SCR,
TRIAC, DIAC and UJT.
Working of MOSFET, Power
MOSFET and IGBT - their types,
characteristics, switching speed,
power ratings and protection.
Differentiate FET with MOSFET,
differentiate a Transistor with IGBT.
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10
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11
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12
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Construct IGBT test circuit with a small
load
Opto Electronics:
Identify different types of LEDs
Test LEDs using DC supply and measure
voltage drop and current using multimeter
Identify and test LDR, Identify photo
voltaic cell
Construct a circuit to test a photo voltaic
cell
Construct a circuit to switch a lamp load
using photo diode
Construct a circuit to switch a lamp load
using photo transistor.
Identify Opto coupler input and output
terminals and measure the quantum of
isolation between i/o terminals (Opto
Transistor, TRIAC and SCR) and operate
a Relay by connecting a switch
Basic SMD (2,3,4 terminal
components):
Identification of 2,3,4 terminal SMD
components
De-solder the SMD components from the
given PCB
Solder the SMD components in the same
PCB
Check for cold continuity of PCB
Identification of loose /dry solder, broken
tracks on printed wired assemblies
Basic Gates:
Identify different Logic Gates (AND, OR,
NAND, NOR, X-OR, X-NOR, NOT ICs)
by the number printed on them and draw
I/O pin-out numbers.
Verify the truth tables of all Logic Gate
ICs by connecting switches and LEDs.
Construct and verify the truth table of all
the gates using NAND and NOR gates
Use digital IC tester to test the various
digital ICs (TTL and CMOS)
Combinational Circuits:
Construct Half Adder circuit and verify
the truth table.
Construct Full adder and verify the truth
table.
Construct the Adder cum Subtractor and
verify the result
15
Working and application of LED, IR
LEDs, Photo diode ,photo transistor,
its characteristics and application,
optical sensor, opto-couplers, circuits
with opto isolators, characteristics of
LASER diodes
Introduction to SMD technology
Identification of 2,3,4 terminal SMD
components, advantages of SMD
components over conventional lead
components
Introduction to solder paste and
machine.
Soldering of SM assemblies - Reflow
soldering
Tips for selection of hardware,
Inspection of SM.
Introduction to Digital Electronics.
Difference between analog and
digital signals, Logic families and
their comparison, Logic levels of
TTL and CMOS. Number systems
(Decimal,
binary,
octal,
Hexadecimal) BCD code, ASCII
code and code conversions.
Logic Gates and their truth tables,
propagation delay, power dissipation
and noise immunity
Combinational logic circuits such as
Half Adder, Full adder, Parallel
Binary adders, 2-bit and four bit full
adders. Magnitude comparators. Half
adder, full adder ICs and their
applications for implementing
arithmetic operations
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13
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14-15
16-17
Construct and Test a 2 to 4 Decoder
Construct and Test a 4 to 2 Encoder
Construct and Test a 4 to 1 Multiplexer
Construct and Test a 1 to 4 De
Multiplexer
Flip Flops:
Identify different Flip-Flop (ICs) by the
number printed on them
Construct and test four bit latch using
7475 .
Verify the truth tables of Flip-Flop ICs
(RS, D, T, JK, MSJK) by connecting
switches and LEDs
Electronic circuit simulation software
 Prepare simple digital and electronic
circuits using the software
 Simulate and test the prepared digital and
analog circuits
 Convert the prepared circuit into a layout
diagram.
 Explore various troubleshooting and fault
finding resources provided in the
simulation software.
Counter & shift Registers:
 Construct and test a four bit asynchronous
binary counter using 7493.
 Construct and test 7493 as a modulus-12
counter.
 Construct and test a four bit Synchronous
binary counter using 74163.
 Construct and test synchronous Decade
counter.
 Construct and test an up/down
synchronous decade counter using 74190
and monitor the output on LEDs.
 Identify and test common anode and
common cathode seven segment LED
display using multi meter
 Display the two digit count value on seven
segment display using decoder/driver ICs.
 Construct a shift register using RS/D/JK
flip flop and verify the result
 Construct and test four bit SIPO register
 Construct and test four bit PIPO register
 Construct and test bidirectional shift
registers
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Basic Binary Decoder and four bit
binary decoders.. Concept of encoder
and decoder, Need for multiplexing
of data. 1:4 line Multiplexer /Demultiplexer.
Introduction to Flip-Flop. S-R Latch,
Gated S-R Latch, D- Latch. FlipFlop: Basic RS Flip Flop, edge
triggered D Flip Flop, JK Flip Flop, T
Flip Flop, Master-Slave flip flops and
Timing diagrams, Basic flip flop
applications like data storage , data
transfer and frequency division.
Study the library components
available in the circuit simulation
software. Various resources of the
software.
Basics of Counters, types of counters,
two bit and three bit Asynchronous
binary counters and decade counters
with the timing diagrams.
3-bit Synchronous counters and
synchronous decade counters.
Types of seven segment display,
BCD display, BCD to decimal
decoder. BCD to 7 segment display
circuits,
Basics of Register, types and
application of Registers.
18-21
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Op – Amp & Timer 555 Applications:
Use analog IC tester to test the various
analog ICs
Construction and testing of various OpAmp circuits Inverting, Non-inverting and
Summing Amplifiers
Construct and test Differentiator and
Integrator
Construct and test a zero crossing detector
Construct and test Instrumentation
amplifier
Construct and test a Binary weighted and
R-2R Ladder type Digital-to-Analog
Converters.
Construct and test Astable timer circuit
using IC 555
Construct and test mono stable timer
circuit using IC 555
Construct and test VCO (V to F
Converter) using IC 555
Construct and test 555 timers as pulse
width modulator.
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Block diagram and Working of OpAmp, importance, Ideal
characteristics, advantages and
applications.
Schematic diagram of 741, symbol,
Non inverting voltage amplifier,
inverting voltage amplifier, summing
amplifier, Comparator, zero cross
detector, differentiator, integrator and
instrumentation amplifier, other
popular Op-Amps.
Block diagram of 555, functional
description w.r.t. different
configurations of 555 such as mono
stable, Astable and VCO operations
for various application
SYLLABUS FOR WORKSHOP SCIENCE AND CALCULATION
SEMESTER-II
Week No
1-2
Workshop calculation & Sc.
. Calculation of transistor currents and amplification factor(gain)
3-4
Gain dB calculation of voltage, current and power
5-6
Arithmetic and geometric progression, sum of n-terms, simple
calculations
Mensuration – Find the area of regular objects like triangle, rectangle,
square and circle.
Mensuration: volumes of cube, cuboid, sphere cylinder.
7-8
9
10
Calculation of frequency of LC and RC oscillator and multivibrator
circuits
Calculation of LED, IRLED and photo diode currents
11
Trigonometry ratios, identities
12
Problems on conversion of Decimal numbers to binary, octal, and
Hexadecimal
13
Bit, byte, nibble, KB, MB ,GB
14-16
Addition and subtraction of Binary, Octal and Hexadecimal Numbers
17-18
Calculation of frequency division in flip-flops/counters
19-21
Inverting and non inverting amplifier gain calculations
Time period and frequency calculation of Astable, monostable
multivibrators using IC555
18
SYLLABUS FOR ENGINEERING DRAWING
SEMESTER-II
Week No
Engineering Drawing
1
Single stage amplifiers, Multistage amplifiers
2-4
Class ‘A’, Class ‘B’, Push pull, Complimentary symmetry circuits
5-6
Crystal and RC Oscillators circuits, Multivibrators
7
Symbols for different wave shapes, Square, saw tooth, sine, triangular, Pulse.
clipper and clamper circuits
8-9
UJT, FET, MOSFET, DIAC, TRIC, SCR, IGBT symbols and circuits of FET
Amplifier, SCR using UJT triggering, snubber circuit, light dimmer circuit using
TRIAC, UJT based free running oscillator
Orthographic 3rd angle projection of very simple objects
10-11
12
LED, IRLED, photo diode, photo transistor, opto coupler symbols
symbols of Logic gates
13
Half adder, full adder, multiplexer and de-multiplexer
14-16
Logic diagram and symbols of Flip flops
17-18
Logic diagram of 3- bit asynchronous, synchronous and decade counters
19-21
Op-Amp block diagram
Inverting and non-inverting configuration, pin diagram of 555,741
Functional block diagram of Ic555 and Astable, Monostable circuits using IC555
19
A. Tools & Equipments for the trade of Electronics Mechanic for First and
Second Semester
TRAINEES TOOL KIT FOR 20 TRAINEES +1 INSTRUCTOR
Sl
No.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Names of the Items
Connecting screwdriver 100 mm
Neon tester 500 V.
Screw driver set (set of 5 )
Insulated combination pliers 150 mm
Insulated side cutting pliers 150 mm
Long nose pliers 150 mm
Soldering iron 25 W. 240 V.
Electrician knife
Tweezers 100mm
Digital Multimeter (3 ½ digit)
Soldering Iron Changeable bits 10 W
De- soldering pump
Quantity
10 Nos
6 Nos
10 Nos
6 Nos
8 Nos
6 Nos
10 Nos
6 Nos
10 Nos
10 Nos
6 Nos
10 Nos
B. General Machinery Shop outfit
Sl.No
Name of the items
1.
Steel rule 300mm
2.
Steel measuring tape-3 m
3.
Tools makers vice 100mm (clamp)
4.
Tools maker vice 50mm (clamp)
5.
Crimping tool (pliers)
6.
Magneto spanner set
7.
File flat 200mm bastard
8.
File flat 200mm second cut
9.
File flat 200mm smooth
10. 100mm flat pliers
11. 100mm round Nose pliers
12. Scriber straight 150mm
13. Hammer ball pen 0.5Kg
14. Allen key set (set of 9)
15. Tubular box spanner (set of 6Nos)
16. Magnifying lenses 75mm
17. Continuity tester
18. Hacksaw frame adjustable
19. Cold chisel 20mm
20. Scissors 200mm
21. Handsaw 450mm
22. Hand Drill Machine
23. First aid kit
24. Fire Extinguisher
25. Bench Vice
26. Dual DC regulated power supply 30-0-30 V,
2 Amps
20
Quantity
4 Nos
4 Nos
1 Nos
1 Nos
2 Nos
2 Nos
2 Nos
2 Nos
2Nos
4 Nos
4 Nos
2 Nos
1 No
1 No
1 set
2 Nos
6 Nos
2 Nos
1 No
1 No
1 No
2 Nos
1 No
2 Nos
1 No
4 Nos
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42
43
44
45
46
47.
48.
49
DC regulated variable power supply 0-24 V,
1Amp
LCR meter (Digital)
CRO Dual Trace 20 MHz (component testing
facilities)
Signal Generator, 0-100 KHz
Battery Charger
Analog multimeter
2 Nos
Function generator (Triangular, square and
sine wave)
Or ELECTRONIC WORK BENCH
Instead of sr no’s ( 26,27,29,31,34 )
Dimmer start 3 Amps
Analog Component Trainer
Op Amp trainer
Digital IC Trainer
Digital IC Tester
Digital and Analog Bread Board Trainer
Rheostats various values and ratings
POWER ELECTRONICS TRAINER with at
least 6 no’s of onboard applications
Computers in the assembled form (including
cabinet, motherboards, HDD, DVD, SMPS,
Monitor, KB, Mouse, LAN card, Blu-Ray
drive and player), MS Office education
version.
Laptops latest configuration
Laser jet Printer
INTERNET BROADBAND CONNECTION
Electronic circuit simulation software with 6
user licenses
Different types of electronic and electrical
cables, connectors, sockets, terminations.
Different types of Analog electronic
components, digital ICs, power electronic
components, general purpose PCBs, bread
board, MCB, ELCB
Crimping tools as necessary for performing
terminations mentioned week no 17-21 of
SEMSTER-1
2 Nos
1 No
2 Nos
2 Nos
1 No
4 Nos
2 Nos
2 Nos
4 Nos
3 Nos
4 Nos
1 No
6 Nos
2 Nos
4 No
4 Nos
1 No
1 No
1 No
1 No
As required
As required
As required
C.WORKSHOP FURNITURE:
Sl.No
1
2
3
4
5
6
Name of the items
Instructor’s table
Instructor’s chair
Metal Rack, 100cm x 150cm x 45cm
Lockers with 16 drawers standard size
Steel Almirah, 2.5 m x 1.20 m x 0.5 m
Black board/white board
21
Quantity
1 No
2 Nos
4 Nos
2 Nos
2 Nos
1 No
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