---
title: DE Lab
description: "| **Subject Notes** | **Download** | | --- | --- | | Course details.pdf | [Download](https://jecrcfoundation.com/wp-content/uploads/2026/08/COURSE-PLAN-DE-4TH-SEM.pdf) | | DE UNIT 1 Semiconductor Devices and Applications.pdf | [Download](https://jecrcfoundation.com/wp-content/uploads/notes/btech/Mechanical%20Engineering/4th%20Semester/Digital%20Electronics/DE%20UNIT%201%20Semiconductor%20Devices%20and%20Applications.pdf) | | DE UNIT 2 Operational Amplifier and its application (1).pdf | [Download](https://jecrcfoundation.com/wp-content/uploads/notes/btech/Mechanical%20Engineering/4th%20Semester/Digital%20Electronics/DE%20UNIT%202%20Operational%20Amplifier%20and%20its%20application%20(1).pdf)…"
url: "https://jecrcfoundation.com/videos/de-lab/"
updated: "2026-08-01"
category: Mechanical Engineering / 4th Semester
---

# DE Lab

| **Subject Notes** | **Download** |
| --- | --- |
| Course details.pdf | [Download](https://jecrcfoundation.com/wp-content/uploads/2026/08/COURSE-PLAN-DE-4TH-SEM.pdf) |
| DE UNIT 1 Semiconductor Devices and Applications.pdf | [Download](https://jecrcfoundation.com/wp-content/uploads/notes/btech/Mechanical%20Engineering/4th%20Semester/Digital%20Electronics/DE%20UNIT%201%20Semiconductor%20Devices%20and%20Applications.pdf) |
| DE UNIT 2 Operational Amplifier and its application (1).pdf | [Download](https://jecrcfoundation.com/wp-content/uploads/notes/btech/Mechanical%20Engineering/4th%20Semester/Digital%20Electronics/DE%20UNIT%202%20Operational%20Amplifier%20and%20its%20application%20(1).pdf) |
| DE UNIT 3 Timing Circuit and Oscillators.pdf | [Download](https://jecrcfoundation.com/wp-content/uploads/notes/btech/Mechanical%20Engineering/4th%20Semester/Digital%20Electronics/DE%20UNIT%203%20Timing%20Circuit%20and%20Oscillators.pdf) |
| DE UNIT 4 Digital Electronics Fundamentals.pdf | [Download](https://jecrcfoundation.com/wp-content/uploads/notes/btech/Mechanical%20Engineering/4th%20Semester/Digital%20Electronics/DE%20UNIT%204%20Digital%20Electronics%20Fundamentals.pdf) |