Electronic Circuits II Simulation Laboratory

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Electronic Circuits II Simulation Laboratory

“Pspice and EdWinXP Simulations” [For Anna University Chennai ECE 2nd year 4th semester]

This document contains a set of 6 simulation experiments done using OrCad Pspice and Visionics EdWinXP

List of Experiments

RC Phase Shift Oscillator [EdWinXP]

Astable multivibrator [EdwinXp]

Integrator and Differentiator [OrCad Pspice]

CMOS NAND NOR NOT [Orcad Pspice]

Monostable Multivibrator [OrCad Pspice]

Bistable Multivibrator [Orcad Pspice]

Simulations Compiled by

Jeyaganesh.N

for

www.ece106.co.cc

DESIGNING THE FUTURE

Note::You are requested to write the Aim, Components required, Result and also the simulation software used for each simulation experiments.


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1.RC Phase Shift Oscillator||||||||||||||||

Aim: -

To simulate a RC Phase Shift Oscillator circuit.

Components: -

Name Components Used Description Number of components required

TRANSISTOR BC107A Transistor 1

RES RC05 Resistor 8

CAPACITOR CAP Capacitor 4

VDC SMB_VDC Dc voltage source

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GND SMB_SPL0 Ground 3

Procedure: -

EDWin 2000 -> Schematic Editor: The circuit diagram is drawn by loading components from the library. Wiring and proper net assignment has been made. The values are assigned for relevant components.

EDWin 2000 -> Mixed Mode Simulator: The circuit is preprocessed. The waveform marker is placed at the output of the circuit. GND net is set as reference net. The Transient Analysis parameters have been set. The Transient Analysis is executed and output waveform is observed in Waveform Viewer.


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EDWin 2000 -> EDSpice Simulator: The circuit is preprocessed. The waveform marker is placed at the output of the circuit. The Transient Analysis parameters are also set. The Transient Analysis is executed and output waveform is observed in Waveform Viewer.


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Result: -

The output waveform may be observed in the waveform viewer.


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2.Astable Multivibrator||||||||||||||||||

Aim: -

To simulate an Astable Multivibrator circuit.

Components: -

Name Components Used

Description Number of components required

BC107 BC107A Transistor 2

RES RC05 Resistor 4

CAP CASE-A600 Capacitor 2

VDC SMB_VDC Dc voltage source

1

GND SMB_SPL0 Ground 1

Procedure:-

EDWin 2000 -> Schematic Editor: The circuit diagram is drawn by loading components from the library. Wiring and proper net assignment has been made. The values are assigned for relevant components.


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EDWin 2000 -> Mixed Mode Simulator: The circuit is preprocessed. The desired test points and waveform markers are placed. The Transient Analysis parameters have been set. The Transient Analysis is executed and output observed in Waveform Viewer.

Result:-

The output waveform may be observed in the waveform viewer.


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3.Integrator and Differentiator|||||||||||| Similarly write the Aim,Procedure, Components,Result for PSpice Experiments too.

Integrator


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Differentiator


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4.CMOS NAND NOR NOT|||||||||||||||||

CMOS NAND


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CMOS NOR


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CMOS NOT


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5.Monostable Multivibrator||||||||


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6.Bistable Multivibrator||||||||||||


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Tips to survive at the university !

from

The Academic Support Centre

of

Effective Exam Writing Tips

Are You Prepared for Exams? Preparing for exams involves three components: mental preparation, physical preparation, and emotional preparation.* v Mental preparation means that you know the material.* Set up a study schedule at least three weeks before exams start. Ensure that you are giving each course an equal amount of study time, with a little more time for courses you are having difficulty in. v Physical preparation means that you are eating and sleeping properly.* Keep caffeine and sugar intake at regular levels. Go to bed at the same time and get up at the same time each day. Keep your life as balanced as possible, especially during exam time. v Emotional preparation means that you have strategies to deal with anxiety.* Often, exam anxiety is caused by lack of preparation. Have a plan in place to deal with problems encountered on the exam. Use positive self-talk and focus on what you’ll do next on the exam. Staying up all night to study can cause anxiety that can lead to poor exam performance. (*Headings adapted from Kiewra, K. A., & Dubois, N. F. (1998). Learning to learn: Making the transition from student to lifelong learner. Needham Heights, MA: Allyn & Bacon.)

Exam Writing Tip 1 Read & Understand the Instructions ALWAYS read the instructions carefully. Many students do not take the time to do this and then discover that they did the exam incorrectly. Are you required to select a certain number of questions to answer or do you have to answer all of them? Is there a penalty for guessing (i.e., right minus wrong)? Ask for clarification if you are unsure.

Exam Writing Tip 2 Preview the Exam & Budget Your Time Accordingly Note the number of questions and what they’re worth. Quickly reading over the questions will assist in activating your memory. Decide which questions will be easier to do and which ones will take more time, and budget your time. Allot time to review the exam and make corrections. If you think of something as you preview, write it down immediately.


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Exam Writing Tip 3 Attack Each Question Systematically Read each question carefully, underlining key words. Is it a one-part or two-part question? What are you being asked to do? Identify what you have and what you need. Decide how you plan to get to the answer and make a few notes on the steps you will take. This will provide you and the person marking the exam with an idea of how you attempted the question. This will also assist you with finding and correcting mistakes. Exam Writing Tip 4 Write Something Down for Every Question If all you can do is provide a definition, then do so. If you run out of time, answer in point form instead of complete sentences. Write down anything you know that is related to the question. Guess if there are no penalties for guessing. Exam Writing Tip 5 If You “Draw a Blank” First, don’t panic and allow anxiety to take control of how you are going to do on the exam. Ask yourself, “What do I need to know to answer this question?” and start writing down your thoughts. Avoid negative self-talk – focus on the task instead of yourself. Exam Writing Tip 6 Review & Make Corrections Take the time to go over the exam and check your answers. Do not change anything unless you are 100% sure it is wrong. Check mathematical answers by performing reverse calculations. Look at the processes you used. Make sure you’ve answered everything that was asked for. Exam Writing Tip 7 Stay Until the End Don’t leave until the exam proctors throw you out! Sometimes, it takes a little more time for information in your memory to “surface” so use all the time you are given.

Tips for Oral Exams Some Differences Between Written and Oral Exams:

Written Exams v Information that will be tested on is decided in advance.* v Exams can range from 15 minutes (quiz) to a few hours. v Each question has a known correct answer.* v Feedback is received when the grade is provided and/or when the exam is returned to the student.

Oral Exams v Usually, the scope of the exam is given in advance.* These can be in the form of questions, suggestions or topic areas. v Exams are usually 15 to 30 minutes in length. v Questions may be chosen dynamically, depending on how a student answers


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previous questions.* v Questions are often open-ended, asking for opinions or ideas.* v Questions may be designed to test the limits of a student’s knowledge. Often, the examiner will continue to ask questions in a particular area until the student no longer responds correctly. v Marks may be awarded for problem solving, analysis and method, as well as interpersonal communication and presentation.

Oral Exam Tip 1 Know the Process, Your Professor & Your Ability to Speak Understand the rules for the exam* and sign up early for dates and times. Confirm these and the location prior to the exam.* Get to know your professor beforehand so that you are more comfortable speaking to him/her during the exam. If you have never done a presentation or engaged in a debate, it may be worth your time to take a workshop or course.

Oral Exam Tip 2 Know What & How You Need to Study Make an outline of all the topic areas that you are required to know for the exam. Pay attention to terminology, theories and why they work/ don’t work, relationships among information, comparison of approaches, and examples. Write out, on index cards, some questions that you think may be asked during the exam.

Oral Exam Tip 3 Practice, Practice, Practice The most common error students make is not being prepared to talk about the topic. Students expect to go into the exam and be asked questions by the professor. Practice alone in front of a mirror and with a partner. Ask each other questions and analyze the responses. Get feedback about your tone of voice and volume. Oral Exam Tip 4 Start Off Right Look and act professional – turn off cell phones and pagers. Get there early to have time for relaxed focus. Smile! You are not there to be executed – introduce yourself and give your professor all of your attention. Keep good posture and maintain eye contact. Listen carefully to the questions and make sure you understand exactly what is being asked – paraphrase if you need to. Never interrupt.

Oral Exam Tip 5 Organize Your Responses° & Have a “Pat Lead” Rehearsed


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Take a minute to compose your thoughts & organize your answers.° Answer general questions with a two-part “pat lead” answer – outline your answer and develop each element.ª A pat lead will help you frame your answers and give you focus if you are anxious.

Oral Exam Tip 6 Answer the Question Be direct and to the point.n Use two or three key points or examples to demonstrate your knowledge. State what you know and stop.n If the professor does not respond and time drags on, ask if there is any element you should elaborate on.

Oral Exam Tip 7 Exit with Grace Rise and shake your professor’s hand. Say something pleasant and be sure to maintain good eye contact. Smile as you leave – the key is to exit on a positive note. Do NOT ask for an evaluation of your performance.

Courtesy :: http://www.uofaweb.ualberta.ca/academicsupport/nav03.cfm?nav03=51996&nav02=50367&nav01=27013

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Contributors :: Antony Thangaraj.G || Bhargav Chowdary || Senthil Kumar.S(Th)

|| www.uofaweb.ualberta.ca || www.visionics.ee ||

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Electronic Circuits II Simulation Laboratory

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