WBCHSE HS Vocational Electronics study plan
WBCHSE HS Vocational Electronics · Give each week a clear focus.
8 weeks · About 7 hours per week
Basic Electricity and Electronic Components & Practical / Laboratory Skills and Circuit Construction
Define voltage, current, resistance and power and compute each quantity from the other two using Ohm's law and the power equation in at least 15 worked numericals
Identify resistor colour bands and convert between colour code, nominal value and tolerance for 20 sample resistors
Calculate series, parallel and series-parallel equivalent resistance for 10 mixed networks and verify two of them on a breadboard with a multimeter
State the function and failure symptoms of fuse, switch, capacitor, inductor and transformer in a simple circuit
Demonstrate safe breadboard practice: correct rail connections, component lead trimming and continuity check before power-up
Your checkpoint
A handwritten worked-solutions notebook of 25 numericals plus a labelled breadboard photo of a verified series-parallel resistor network with measured vs calculated values table
Semiconductor Devices and Rectifiers & Basic Electricity and Electronic Components
Explain PN junction formation, depletion region and barrier potential and describe forward and reverse bias behaviour qualitatively
Read a diode datasheet and extract forward voltage, maximum forward current and peak inverse voltage for two diode types
Sketch and explain half-wave, full-wave centre-tap and bridge rectifier output waveforms with input and output frequency relationship
Calculate ripple factor, efficiency and PIV for the three rectifier types and compare them in a table
Assemble a bridge rectifier on breadboard with a filter capacitor and measure DC output and ripple with a multimeter
Your checkpoint
A one-page comparison chart of the three rectifiers (waveform sketch, ripple factor, efficiency, PIV) plus measured ripple values from the breadboard bridge rectifier
Transistors and Amplifier Circuits & Practical / Laboratory Skills and Circuit Construction
Describe construction, doping and working of NPN and PNP BJTs and explain why the emitter is heavily doped
Identify transistor terminals physically from datasheet pinout and verify base-emitter and base-collector junctions with a multimeter diode test
Bias a BJT in fixed and voltage-divider configurations and calculate quiescent collector current and collector-emitter voltage
Explain the meaning of active, saturation and cut-off regions and locate each on a load line
Wire a common-emitter amplifier on breadboard and record input and output amplitudes to compute voltage gain
Your checkpoint
A bias-design sheet with calculated and measured Q-point values for a voltage-divider biased common-emitter stage, plus measured voltage gain
Digital Electronics and Logic Gates & Practical / Laboratory Skills and Circuit Construction
Convert between binary, decimal, octal and hexadecimal for 20 numbers and perform binary addition and subtraction
State truth tables for AND, OR, NOT, NAND, NOR, XOR and XNOR gates and derive the output of 10 given gate combinations
Apply De Morgan's theorems and Boolean algebra to simplify 10 expressions to minimal form
Verify NAND and NOR as universal gates by building NOT, AND and OR from each on breadboard using a 7400 and 7402 IC
Explain the working of a half adder and full adder with truth table and sum-of-products expression
Your checkpoint
A truth-table and Boolean simplification worksheet of 20 solved items plus a breadboard demonstration of AND and OR realised from NAND gates only, with a verification table
Electronic Measuring Instruments and Testing & Power Supplies and Oscillators
Explain the working principle and correct usage of analog multimeter, digital multimeter, CRO and function generator, including probe and range selection
Measure DC voltage, AC voltage, resistance and diode drop with a DMM and compare readings against expected values within tolerance
Use a CRO to measure peak amplitude, period, frequency and phase difference of two sine waves from a function generator
Describe the role of transformer, rectifier, filter and regulator in a regulated DC power supply and calculate required filter capacitance for a given ripple
Explain the Barkhausen criterion and describe the working of RC phase-shift and Hartley oscillators
Your checkpoint
A measurement log recording six DMM readings and four CRO-derived values (amplitude, period, frequency, phase) with percentage error against expected values
Communication Systems and Consumer Electronics & Project Work and Industrial Exposure
Describe the block diagram of a communication system and distinguish modulation from demodulation with one everyday example each
Compare AM and FM on bandwidth, noise immunity and application and state one consumer use of each
Explain the working of microphone, loudspeaker and a basic public address chain from transducer to output
Outline the stages of a small electronics project: problem statement, block diagram, component list, assembly, testing and documentation
Prepare a component list with specifications and approximate cost for your planned project
Your checkpoint
A two-page project proposal with block diagram, component list with specifications and cost, test plan and expected outcome
Microcontrollers and Embedded Basics & Project Work and Industrial Exposure
Describe the architecture of a basic microcontroller: CPU, ALU, memory types, I/O ports, timers and clock
Distinguish a microcontroller from a microprocessor and identify at least three embedded applications in consumer electronics
Write and explain a simple program that reads a switch input and drives an LED output with a delay loop
Explain the role of assembler, compiler and programmer in getting code onto a microcontroller
Assemble the project circuit, perform continuity and polarity checks and record measured voltages at key test points
Your checkpoint
A working project prototype with a test-point voltage table and a short program listing with line-by-line comments
Project Work and Industrial Exposure & Practical / Laboratory Skills and Circuit Construction & Digital Electronics and Logic Gates
Complete a full-length timed mock test covering all ten domains and score each domain separately
Diagnose and correct at least three faults deliberately inserted into a working circuit using systematic voltage and continuity checks
Re-derive the five weakest formulas identified from the mock test until each can be written from memory
Finalise project documentation with circuit diagram, working explanation, test results and limitations
Rehearse a five-minute viva explanation of the project covering design choices, measurements and one failure encountered
Your checkpoint
Completed project report of four to six pages with circuit diagram, test data and conclusion, plus a scored mock-test record showing domain-wise marks and the list of corrected weak areas
Milestones
Week 2: Can compute Ohm's law and power quantities, decode resistor colour codes and calculate ripple factor and PIV for all three rectifier types without reference notes
Week 4: Can determine the Q-point of a voltage-divider biased BJT stage and simplify Boolean expressions correctly, and has verified NAND/NOR universality on breadboard
Week 6: Can take a DMM and CRO reading and state the expected value and tolerance, and has an approved project proposal with block diagram and component list
Week 8: Scores at least 60 percent overall on the mock test with no domain below 50 percent, and submits a complete project report with working prototype