Kerala PSC Tradesman (Electronics) in Technical Education Detailed Syllabus

    Here you can view the Detailed Syllabus for the post of Tradesman (Electronics) in Technical Education. The Exam is conducted by Kerala PSC. The category code for the exam is 427/2023. The complete details and detailed syllabus pdf are given below. you can download the Kerala PSC Tradesman (Electronics) Syllabus PDF here.

Here you can check the mark distribution for the Kerala PSC Tradesman (Electronics) Exam.

Module	Marks
Basics of AC, AC & DC measurements, and Active and Passive Components	20 marks
Semiconductor materials, components	22 marks
Amplifiers & Oscillators	08 marks
Introduction to Digital Electronics	15 marks
Computer Hardware & Networking	05 marks
Electrical protective devices and control circuits	05 marks
Communication Electronics	10 marks
Microcontroller (8051)	05 marks
Sensors, Transducers, and Applications	05 marks
SMPS, Inverter, UPS & Solar Power (Renewable Energy System)	05 marks

Module 1

Basics of AC, AC & DC measurements, and Active and Passive Components: (20 marks)

1. Basic terms: Electric charges, Potential difference, Voltage, Current, Resistance. Basics of AC & DC. Various terms such as +ve cycle, -ve cycle, Frequency, Time period, RMS, Peak, and Instantaneous value. Single-phase and Three-phase supply. Terms like Line and Phase voltage/ currents.
2. Insulators, conductors, and semiconductor properties.
3. Introduction to electrical measuring instruments: Importance and classification of meters. MC and MI meters. Range extension, the need for calibration. Multimeter, use of meters in different circuits. Use of CRO, LCR meter.
4. Active and Passive Components: Ohm’s Law and Kirchhoff’s Law. Resistors; types of resistors, their construction & specific use, color-coding, power rating. Equivalent Resistance of series-parallel circuits. Distribution of V & I in series-parallel circuits. Principles of induction, inductive reactance. Types of inductors, applications, and energy storage concept. Self and Mutual induction. Series and parallel combination, Q factor. Capacitance and Capacitive Reactance, Impedance. Types of capacitors, Dielectric constant. Series parallel connection of capacitors. Capacitor behavior with AC and DC. Concept of Time constant of an RC circuit. Concept of Resonance and its application in RC, RL & RLC series and parallel circuit.
5. Working principle of a Transformer, construction, Specifications, and types of cores used. Step-up, step-down, and isolation transformers with applications. Losses in Transformers. Phase angle, phase relations, active and reactive power, power factor and its importance

Module 2

Semiconductor materials, components (22 marks)

1. Diodes: PN Junction, Forward and Reverse biasing of diodes. Interpretation of diode specifications. Forward current and Reverse voltage. Packing styles of diodes. Different diodes, Rectifiers, Filters. and their role in reducing ripple. Working principles of Zener diode, varactor diode, their specifications, and applications.
2. Transistor: Construction, working of PNP and NPN Transistors, the purpose of E, B & C Terminals. Significance of α, β and relationship of a Transistor.  Need for Biasing of Transistor. VBE, VCB, VCE, IC, IB, Junction Temperature, junction capacitance, frequency of operation. Transistor applications as switches and amplifiers. Transistor input and output characteristics. Transistor power ratings & packaging styles and use of different heat sinks.
3. Power Electronic Components: Construction of FET & JFET, the difference with BJT. Purpose of Gate, Drain, and source terminals and voltage /current relations between them and Impedances between various terminals. Working with different power electronic components such as SCR, TRIAC, DIAC, and UJT. MOSFET, Power MOSFET, and IGBT, their types, characteristics, switching speed, power ratings, and protection. Differentiate FET with MOSFET. 

Module 3

Amplifiers & Oscillators (08 marks)

1. Amplifiers: Transistor biasing circuits and stabilization Techniques. Classification of amplifiers according to frequency, mode of operation, and methods of coupling. Voltage amplifiers - voltage gain, loading effect. Single-stage CE amplifier and CC amplifier. Emitter follower circuit and its advantages. RC coupled amplifier, Distinguish between voltage and power amplifier, Feedback and its types.
2. Oscillators: Introduction to positive feedback and requisites of an oscillator. Study of Colpitts, Hartley, Crystal, and RC oscillators. Types of multivibrators and study of circuit diagrams.
3. Op – Amp & Timer 555: Non-inverting voltage amplifier, inverting voltage amplifier, summing amplifier, Comparator, zero cross detector, differentiator, integrator, and instrumentation amplifier .
4. Wave shaping circuits: Clippers and clampers.

Module 4

Introduction to Digital Electronics. (15 marks)

1. Logic gates: 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. Various Logic Gates and their truth tables.
2. Combinational logic circuits: 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. Concept of encoder and decoder. Basic Binary Decoder and four-bit binary decoders. Need for multiplexing of data. 1:4 line Multiplexer / De multiplexer
3. Introduction to Flip-Flop: S-R Latch, Gated S-R Latch, DLatch. Flip-Flop: Basic RS Flip Flop, edge-triggered D Flip Flop, JK Flip Flop, T Flip Flop
4. Counters & shift Registers: Basics of Counters, Basics of Register, types and application of Registers.

Module 5

Computer Hardware & Networking (05 marks)

1. Basic blocks of a computer, Components of desktop and motherboard. Hardware and software, I/O devices, and their working. Different types of printers, HDD, DVD. Various ports in the computer.
2. Concept of word processing: MS Word – Menu bar, standard toolbar, editing, formatting, printing of document, etc. Excel – Worksheet basics, data entry, and formulae. Moving data in worksheets using toolbars and menu bars, Formatting and calculations, printing worksheets, creating multiple worksheets, and creating charts.
3. Computer Networking: Network features - Network media Network topologies, protocols- TCP/IP, UDP, FTP, models and types. Specification and standards, types of cables, UTP, STP, and Coaxial cables. Network components.

Module 6
Electrical protective devices and control circuits (05 marks)

1. Fuse: Necessity of fuse, fuse ratings, types of fuses, fuse bases
2. Fundamentals of single phase Induction motors, synchronous speed, slip, rotor frequency. 

Module 7

Communication Electronics (10 marks)

1. Radio Wave Propagation – principle, fading. Need for Modulation, types of modulation, and demodulation. Fundamentals of Antenna, various parameters, types of Antennas & application. Introduction to AM, FM & PM
2. SSB-SC & DSB-SC. FM Generation & Detection. Digital modulation and demodulation techniques, sampling, quantization & encoding. Concept of multiplexing and de-multiplexing of AM/ FM/ PAM/ PPM /PWM signals.
3. Fiber optic communication: Introduction to optical fiber, optical connection, and various types of optical amplifiers, its advantages, properties of optic fiber, testing, losses, types of fiber optic cables, and specifications.

Module 8

Microcontroller (8051) (05 marks)

1. Introduction Microprocessor & 8051Microcontrolle: architecture, pin details & the bus system. Function of different ICs used in the Microcontroller Kit. Differentiate microcontroller with microprocessor.
2. Interfacing of memory to the microcontroller. Internal hardware resources of the microcontroller. I/O port pin configuration. Different variants of 8051 & their resources. 

Module 9

Sensors, Transducers and Applications (05 marks)

1. Basics of passive and active transducers: Role, selection, and characteristics. Sensor voltage and current formats.
2. Thermistors/ Thermocouples - Basic principle, salient features, operating range, composition, advantages and disadvantages.
3. Strain gauges/ Load cell – principle, gauge factor, types of strain gauges.

Module 10

SMPS, Inverter, ups & Solar Power (Renewable Energy System) (05 marks)

1. SMPS: Switch mode power supplies and their working principles. Various types of chopper circuits
2. Inverter; principle of operation, power rating, change over period.
3. UPS: Concept of Uninterrupted power supply. Types of UPS: Offline UPS, Online UPS, Line interactive UPS & their comparison UPS specifications.
4. Solar Power: Need for renewable energy sources, Solar energy is a renewable resource. Materials used for solar cells. Principles of conversion of solar light into electricity. Basics of photovoltaic cell. Module, panel, and Arrays. Factors that influence the output of a PV module.

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