Diode Equivalent Circuits.ppt
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This document discusses diode equivalent circuit models, which are used to approximate the nonlinear behavior of real diodes for circuit analysis purposes. It describes three common diode models: the ideal diode model, which represents a diode as a simple switch; the practical (or simplified) model, which includes a 0.7V voltage drop; and the piecewise linear model, which approximates the diode curve as a series of linear segments. The document explains that diode models allow the use of conventional linear circuit analysis by replacing the nonlinear diode with an equivalent linear circuit representation.
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1. An equivalent circuit uses idealized elements like resistors and batteries to approximate the behavior of a nonlinear device like a diode. This allows analysis techniques like Kirchhoff's laws to be applied.
2. A diode can be modeled as a resistor and battery in parallel under forward bias, and as an open switch under reverse bias. A further simplification is the ideal diode model which has zero voltage drop.
3. A load line shows the operating points where the current-voltage characteristics of a nonlinear device intersect with the response of the rest of the circuit. It allows determining the operating point like DC voltage and current.
Expt1_Electronic Principles and Circuits Lab Manual_BEC303_18-11-2023.pptx
This document describes an experiment on bridge rectifier circuits. It contains:
1) An introduction to the BEC 303 electronics course and the objectives of experiment 1a on bridge rectifiers.
2) Details of the circuit design, components used, calculations for ripple factor, efficiency and regulation.
3) Procedures to set up the circuit in a simulator, make observations with and without a filter capacitor, and calculate performance metrics.
4) A second experiment on using a zener diode as a voltage regulator, covering the circuit, design considerations, procedure and observations.
Project PPT
This document describes the design of an automatic star-delta starter for an induction motor using relays and an adjustable electronic timer. The starter is designed to reduce starting current and prevent issues from low voltage, single phasing, over voltage and under voltage. The circuit uses a 555 timer, transistors, diodes, resistors, capacitors, relays and transformers. It operates by starting the motor in a low-current star configuration, then switching to a delta configuration after a set time using relays controlled by the 555 timer. This provides smooth starting of the induction motor.
Semiconductor_Laser_Diodes.pdf
Ryan LoIacono gave a presentation on semiconductor laser diodes. The presentation introduced semiconductor laser diodes, described their basic components and construction, explained how they work through stimulated emission and optical feedback, and discussed their common uses in applications like CD players, printers, and barcode scanners. It also covered the different materials they can be made from, key properties like wavelength and output power, typical costs, and where they can be purchased.
Electrical circuitsand methods of network analysis
An electric circuit is a path in which electrons from a voltage or current source flow. The point where those electrons enter an electrical circuit is called the "source" of electrons.
Similar to Diode Equivalent Circuits.ppt (20)
Expt1_Electronic Principles and Circuits Lab Manual_BEC303_18-11-2023.pptx
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Electrical circuitsand methods of network analysis
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Recently uploaded
Blood finder application project report (1).pdf
Blood Finder is an emergency time app where a user can search for the blood banks as
well as the registered blood donors around Mumbai. This application also provide an
opportunity for the user of this application to become a registered donor for this user have
to enroll for the donor request from the application itself. If the admin wish to make user
a registered donor, with some of the formalities with the organization it can be done.
Specialization of this application is that the user will not have to register on sign-in for
searching the blood banks and blood donors it can be just done by installing the
application to the mobile.
The purpose of making this application is to save the user’s time for searching blood of
needed blood group during the time of the emergency.
This is an android application developed in Java and XML with the connectivity of
SQLite database. This application will provide most of basic functionality required for an
emergency time application. All the details of Blood banks and Blood donors are stored
in the database i.e. SQLite.
This application allowed the user to get all the information regarding blood banks and
blood donors such as Name, Number, Address, Blood Group, rather than searching it on
the different websites and wasting the precious time. This application is effective and
user friendly.
Generative AI Use cases applications solutions and implementation.pdf
Generative AI solutions encompass a range of capabilities from content creation to complex problem-solving across industries. Implementing generative AI involves identifying specific business needs, developing tailored AI models using techniques like GANs and VAEs, and integrating these models into existing workflows. Data quality and continuous model refinement are crucial for effective implementation. Businesses must also consider ethical implications and ensure transparency in AI decision-making. Generative AI's implementation aims to enhance efficiency, creativity, and innovation by leveraging autonomous generation and sophisticated learning algorithms to meet diverse business challenges.
https://www.leewayhertz.com/generative-ai-use-cases-and-applications/
LLM Fine Tuning with QLoRA Cassandra Lunch 4, presented by Anant
Slides for the 4th Presentation on LLM Fine-Tuning with QLoRA Presented by Anant, featuring DataStax Astra
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This document serves as a comprehensive step-by-step guide on how to effectively use PyCharm for remote debugging of the Windows Subsystem for Linux (WSL) on a local Windows machine. It meticulously outlines several critical steps in the process, starting with the crucial task of enabling permissions, followed by the installation and configuration of WSL.
The guide then proceeds to explain how to set up the SSH service within the WSL environment, an integral part of the process. Alongside this, it also provides detailed instructions on how to modify the inbound rules of the Windows firewall to facilitate the process, ensuring that there are no connectivity issues that could potentially hinder the debugging process.
The document further emphasizes on the importance of checking the connection between the Windows and WSL environments, providing instructions on how to ensure that the connection is optimal and ready for remote debugging.
It also offers an in-depth guide on how to configure the WSL interpreter and files within the PyCharm environment. This is essential for ensuring that the debugging process is set up correctly and that the program can be run effectively within the WSL terminal.
Additionally, the document provides guidance on how to set up breakpoints for debugging, a fundamental aspect of the debugging process which allows the developer to stop the execution of their code at certain points and inspect their program at those stages.
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Open Channel Flow: fluid flow with a free surface
Open Channel Flow: This topic focuses on fluid flow with a free surface, such as in rivers, canals, and drainage ditches. Key concepts include the classification of flow types (steady vs. unsteady, uniform vs. non-uniform), hydraulic radius, flow resistance, Manning's equation, critical flow conditions, and energy and momentum principles. It also covers flow measurement techniques, gradually varied flow analysis, and the design of open channels. Understanding these principles is vital for effective water resource management and engineering applications.
一比一原版(CalArts毕业证)加利福尼亚艺术学院毕业证如何办理
CalArts毕业证学历书【微信95270640】CalArts毕业证’圣力嘉学院毕业证《Q微信95270640》办理CalArts毕业证√文凭学历制作{CalArts文凭}购买学历学位证书本科硕士,CalArts毕业证学历学位证【实体公司】办毕业证、成绩单、学历认证、学位证、文凭认证、办留信网认证、（网上可查，实体公司，专业可靠）
(诚招代理)办理国外高校毕业证成绩单文凭学位证,真实使馆公证（留学回国人员证明）真实留信网认证国外学历学位认证雅思代考国外学校代申请名校保录开请假条改GPA改成绩ID卡
1.高仿业务:【本科硕士】毕业证,成绩单（GPA修改）,学历认证（教育部认证）,大学Offer,,ID,留信认证,使馆认证,雅思,语言证书等高仿类证书；
2.认证服务: 学历认证（教育部认证）,大使馆认证（回国人员证明）,留信认证（可查有编号证书）,大学保录取,雅思保分成绩单。
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（详情请加一下 文凭顾问+微信:95270640）欢迎咨询！子小伍玩小伍比山娃小一岁虎头虎脑的很霸气父亲让山娃跟小伍去夏令营听课山娃很高兴夏令营就设在附近一所小学山娃发现那所小学比自己的学校更大更美操场上还铺有塑胶跑道呢里面很多小朋友一班一班的快快乐乐原来城里娃都藏这儿来了怪不得平时见不到他们山娃恍然大悟起来吹拉弹唱琴棋书画山娃都不懂却什么都想学山娃怨自己太笨什么都不会斟酌再三山娃终于选定了学美术当听说每月要交元时父亲犹豫了山娃也说爸算了吧咱学校一学期才转
Object Oriented Analysis and Design - OOAD
This ppt gives detailed description of Object Oriented Analysis and design.
SCALING OF MOS CIRCUITS m .pptx
this ppt explains about scaling parameters of the mosfet it is basically vlsi subject
Pressure Relief valve used in flow line to release the over pressure at our d...
Pressure Relief valve used in flow line to release the over pressure at our desired pressure
Applications of artificial Intelligence in Mechanical Engineering.pdf
Historically, mechanical engineering has relied heavily on human expertise and empirical methods to solve complex problems. With the introduction of computer-aided design (CAD) and finite element analysis (FEA), the field took its first steps towards digitization. These tools allowed engineers to simulate and analyze mechanical systems with greater accuracy and efficiency. However, the sheer volume of data generated by modern engineering systems and the increasing complexity of these systems have necessitated more advanced analytical tools, paving the way for AI.
AI offers the capability to process vast amounts of data, identify patterns, and make predictions with a level of speed and accuracy unattainable by traditional methods. This has profound implications for mechanical engineering, enabling more efficient design processes, predictive maintenance strategies, and optimized manufacturing operations. AI-driven tools can learn from historical data, adapt to new information, and continuously improve their performance, making them invaluable in tackling the multifaceted challenges of modern mechanical engineering.
Supermarket Management System Project Report.pdf
Supermarket management is a stand-alone J2EE using Eclipse Juno program.
This project contains all the necessary required information about maintaining
the supermarket billing system.
The core idea of this project to minimize the paper work and centralize the
data. Here all the communication is taken in secure manner. That is, in this
application the information will be stored in client itself. For further security the
data base is stored in the back-end oracle and so no intruders can access it.
Null Bangalore | Pentesters Approach to AWS IAM
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
AI + Data Community Tour - Build the Next Generation of Apps with the Einstei...
AI + Data Community Tour - Build the Next Generation of Apps with the Einstei...Paris Salesforce Developer Group
Build the Next Generation of Apps with the Einstein 1 Platform.
Rejoignez Philippe Ozil pour une session de workshops qui vous guidera à travers les détails de la plateforme Einstein 1, l'importance des données pour la création d'applications d'intelligence artificielle et les différents outils et technologies que Salesforce propose pour vous apporter tous les bénéfices de l'IA.Data Driven Maintenance | UReason Webinar
Discover the latest insights on Data Driven Maintenance with our comprehensive webinar presentation. Learn about traditional maintenance challenges, the right approach to utilizing data, and the benefits of adopting a Data Driven Maintenance strategy. Explore real-world examples, industry best practices, and innovative solutions like FMECA and the D3M model. This presentation, led by expert Jules Oudmans, is essential for asset owners looking to optimize their maintenance processes and leverage digital technologies for improved efficiency and performance. Download now to stay ahead in the evolving maintenance landscape.
Mechatronics material . Mechanical engineering
Mechatronics is a multidisciplinary field that refers to the skill sets needed in the contemporary, advanced automated manufacturing industry. At the intersection of mechanics, electronics, and computing, mechatronics specialists create simpler, smarter systems. Mechatronics is an essential foundation for the expected growth in automation and manufacturing.
Mechatronics deals with robotics, control systems, and electro-mechanical systems.
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Generative AI Use cases applications solutions and implementation.pdf
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LLM Fine Tuning with QLoRA Cassandra Lunch 4, presented by Anant
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Use PyCharm for remote debugging of WSL on a Windo cf5c162d672e4e58b4dde5d797...
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Applications of artificial Intelligence in Mechanical Engineering.pdf
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Diode Equivalent Circuits.ppt
- 1. Diode Equivalent Circuits/ Diode Models Dr.G.Puvaneswari Assistant Professor(SG) ECE, Coimbatore Institute of Technology, Coimbatore
- 2. Diode Equivalent Circuits/Diode Models • It is a combination of elements that represents the actual terminal characteristics of a device in its operating region • Diode models are the mathematical models used to approximate the actual behavior of real diodes for analysis purpose. • The diode circuits are solved by using diode models in the place of diodes without affecting the system behavior
- 3. Why diode models • Diode’s V-I characteristics is nonlinear • nonlinearity complicates the calculations in circuits involving diodes • Use of diode models or equivalent circuits enables the use of conventional circuit analysis techniques
- 4. Diode Models • Three models are used –Ideal Diode Model –Simplified –Piecewise linear model
- 5. Ideal diode model • It is the least accurate approximation • It is represented by a simple switch • An ideal forward-biased diode acts like a closed (on) switch • An ideal reversed-biased diode acts like an open (off) switch • The barrier potential, the forward dynamic resistance, and the reverse current are neglected • Diode is replaced by simple switch • These models are used in troubleshooting, to determine whether the diode is working properly and where the exact values of voltage or current are not needed
- 7. Simplified diode model/Practical diode model • The practical model includes the barrier potential • It states that a forward-biased silicon diode under dc condition has a voltage drop (cut-in voltage) of 0.7 V (for Si diodes) across it at any level of diode current within the rated values • It consists of a voltage source representing the cut-in voltage of the diode and an ideal diode acting as a switch
- 9. Circuit with ideal diode
- 10. Forward bias • forward current is determined as follows by applying Kirchhoff’s voltage law
- 11. Reverse bias • diode is assumed to have zero reverse current
- 12. Piecewise model • This model approximates the characteristics of the device by straight-line segments • But straight-line segments do not result in an exact duplication of the actual characteristics, especially in the knee region • This model approximates the diode characteristic curve as a series of linear segments • In mathematics, piecewise means taking a function and breaking it down into several linear segments
- 14. • This model contains a voltage source representing the cut-in voltage and diode resistance (rav) • Battery (0.7V) specifies the voltage across the device must be greater than the threshold battery voltage before conduction through the device in the direction • When conduction is established the resistance of the diode is the specified value of rav.
- 15. • approximate level of rav can be determined from a specified operating point on the specification sheet • For a silicon semiconductor diode, if IF =10 mA at VD =0.8 V, for silicon that a shift of 0.7 V is required before the characteristics rise
- 16. Summary
- 17. References • Robert L. Boylestead and Louis Nasheresky "Electron Devices and Circuits: Theory and Practice", Prentice Hall of India, 11th Edition, 2013. • “Fundamentals of Analog Circuits” by Thomas Floyd