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NIMI – Government of India Presents: Skill-Boosting Video on Constructing Simple Circuits Using UJT for Triggering and FET as an Amplifier!

NIMI proudly presents another hands-on electronics training session developed for ITI students, CITS instructors, and vocational learners, focusing on two essential semiconductor applications:
Using the Uni-Junction Transistor (UJT) for triggering and Field Effect Transistor (FET) as an amplifier.

Time Stamp
00 . - Title & Introduction
00.19 - Objectives
00.51 - Tools & Equipments
03.35 - Reverse bias the emitter junction
04.19 - Forward bias the emitter junction
06.33 - Identify the leads of given JFET's
08.29 - Construct and test an AC/FET amplifier and plot the Graph
09 .43 - Recap

🔌 In this practical session, you will learn:

The construction, symbol, and working principle of UJT and FET devices.

How a UJT is used as a triggering device in SCR (Silicon Controlled Rectifier) and relaxation oscillator circuits.

Step-by-step procedure to construct a UJT triggering circuit, observe waveforms, and understand pulse generation.

The characteristics and biasing of a Field Effect Transistor (FET).

How to build a simple FET amplifier circuit, measure voltage gain, and test frequency response.

Techniques for troubleshooting, checking device polarity, and verifying correct bias conditions.

Safety and handling precautions for semiconductor components during assembly and testing.

💡 Why this matters:
UJT and FET are key elements in modern electronics — from power control and triggering to signal amplification. Understanding their operation and practical use helps learners master analog circuit design and semiconductor applications essential for real-world electronics systems.

🎓 Ideal for:
Electronics Mechanic, Electrician, Instrumentation, and Mechatronics trade students, CITS instructors, and professionals aiming to strengthen their knowledge in semiconductor circuits and testing techniques. Presented in this tutorial provides step-by-step demonstrations and easy-to-understand explanations for self-paced learning.

📽️ Watch Now to gain practical skills in constructing UJT-triggering and FET-amplifier circuits, and advance your understanding of modern semiconductor technology.

🔔 Subscribe to our channel for more tutorials on transistor applications, amplifier design, and vocational electronics training.

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Access more NIMI learning resources and updates here: https://linktr.ee/nimichennai

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