The Electronics Engineering laboratory is the practical foundation of B.Tech Electronics and Communication Engineering (ECE), Electrical Engineering (EE), and Electronics and Instrumentation (EI) programmes. Proper equipment selection, installation, and documentation is required for AICTE approval, NAAC accreditation, and NBA accreditation. This guide provides a complete electronics lab equipment list organised by laboratory type and academic year.
Electronics Lab Categories in B.Tech ECE Programme
- Basic Electrical Engineering Lab (Semester 1–2)
- Electronics Devices and Circuits Lab (Semester 3–4)
- Digital Electronics Lab (Semester 3–4)
- Signals and Systems Lab / DSP Lab (Semester 5–6)
- Microprocessor and Microcontroller Lab (Semester 5–6)
- Communication Engineering Lab (Semester 5–7)
- VLSI Design Lab (Semester 7–8)
- Embedded Systems Lab (Semester 7–8)
Semester 1–2: Basic Electrical Engineering Lab
| Equipment | Specification | Quantity (per 30 students) |
|---|---|---|
| Digital multimeter | 3½ digit, AC/DC 600V, 10A, resistance, capacitance, diode test | 15 |
| Analog multimeter | 20,000 Ω/V, AC/DC, mirror scale | 15 |
| Single-phase variac (autotransformer) | 0–270V AC, 5A, with ammeter and voltmeter | 6 |
| Three-phase variac | 0–470V, 5A three-phase | 3 |
| Regulated DC power supply | 0–30V, 2A, dual output | 15 |
| Wattmeter (single-phase) | Dynamometer type, 0–10A, 300V | 6 |
| Wattmeter (three-phase) | Two-wattmeter method board | 3 |
| Energy meter | Single-phase, 5A | 3 |
| Decade resistance box | 0–9999.9 Ω, 0.1 Ω resolution | 6 |
| Decade inductance box | 0–99.99 mH | 6 |
| Decade capacitance box | 0–9.99 µF | 6 |
| Bread boards | 840 tie-point solderless | 30 |
| Resistors, capacitors, inductors assortment | E12/E24 series, common values | 10 kits |
Semester 3–4: Electronics Devices and Circuits Lab
| Equipment | Specification | Quantity |
|---|---|---|
| Digital storage oscilloscope (DSO) | 70 MHz, 1 GS/s, 2 channel, USB storage | 15 |
| Function generator | 1 Hz – 3 MHz, sine/square/triangle, FM/AM modulation | 15 |
| Dual regulated DC power supply | ±15V, 0–30V, 2A tracking | 15 |
| Transistor characteristics trainer | NPN/PNP BJT CE/CB/CC configurations | 10 |
| FET characteristics trainer | JFET and MOSFET characteristics, drain/transfer curves | 8 |
| Op-amp trainer board | μA741, LM741, inverting, non-inverting, integrator, differentiator circuits | 10 |
| Rectifier and filter trainer | Half-wave, full-wave, bridge rectifier with capacitor/inductor/π filters | 10 |
| LCR meter | 100 Hz – 100 kHz, auto-range | 5 |
| Digital IC tester | TTL and CMOS IC families, 7400–7499 series and 4000 series | 3 |
Digital Electronics Lab
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| Equipment | Specification | Quantity |
|---|---|---|
| Digital logic trainer | NAND, NOR, NOT, AND, OR gates; flip-flops, counters; onboard clock | 15 |
| Logic probe | TTL/CMOS compatible, pulse detection | 15 |
| Logic analyser | 16-channel, 200 MHz, USB interface to PC | 3 |
| FPGA development kit | Xilinx Artix-7 or Intel Cyclone IV, with USB JTAG programmer | 15 |
| Frequency counter | 10 Hz – 150 MHz, 8-digit display | 5 |
Microprocessor and Microcontroller Lab
| Equipment | Specification | Quantity |
|---|---|---|
| 8085 microprocessor trainer kit | Full keyboard, 6-digit LED display, RS-232 interface, 8 KB ROM + 2 KB RAM | 15 |
| 8051 microcontroller trainer | AT89C51, 64 KB flash, RS-232, I/O ports with LEDs and switches | 15 |
| Arduino UNO/MEGA development board | ATmega328P/ATmega2560, USB, 14 digital I/O | 15 |
| ARM Cortex-M4 development board | STM32F407 or equivalent, 168 MHz, FPU, Ethernet, USB | 10 |
| Raspberry Pi 4 (single board computer) | 4GB RAM, quad-core, HDMI, GPIO 40-pin | 10 |
| USB oscilloscope | 10 MHz, 2 channel, PC-based display | 10 |
Communication Engineering Lab
| Equipment | Specification | Quantity |
|---|---|---|
| AM/FM modulation trainer | Amplitude and frequency modulation with demodulation circuits, 100 kHz carrier | 10 |
| Digital communication trainer (ASK/FSK/PSK) | ASK, FSK, BPSK, QPSK modulation and demodulation | 10 |
| Fibre optic trainer | 650 nm LED, PIN photodetector, 100 m optical fibre, power meter | 5 |
| Spectrum analyser | 100 kHz – 1 GHz, PC-based (SDR dongle based for education) | 5 |
| Signal generator (RF) | 0.1 MHz – 150 MHz, AM/FM modulation output | 5 |
AICTE Norms for Electronics Labs
As per AICTE Approval Process Handbook 2024-25:
- Minimum laboratory area: 66 m² per laboratory
- Number of experiment setups: minimum 1 per 2 students (or 1 per student where possible)
- Equipment to be certified/calibrated: all measuring instruments must carry current calibration
- Safety: Earth leakage circuit breakers (ELCB), rubber mats at all workstations, first aid kit, fire extinguisher (CO₂ type for electrical labs)
- Personal protective equipment: safety glasses, insulated gloves at designated workstations
Budget Estimate for Electronics Lab Setup
| Lab Type | Estimated Equipment Cost (INR) |
|---|---|
| Basic Electrical Lab (30 students) | ₹8–12 lakhs |
| Electronics Devices and Circuits Lab | ₹12–18 lakhs |
| Digital Electronics + FPGA Lab | ₹10–15 lakhs |
| Microprocessor + Embedded Systems Lab | ₹15–22 lakhs |
| Communication Engineering Lab | ₹12–20 lakhs |
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