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...PN junction notation
+
x p
x=0
xn
PN junction notation
W N D =10 19 neutral N N A =10 16
+
neutral P
space charge (depletion region)
0 x n xp
x
Energy band diagram
+
x p
x=0
xn
Reverse Bias
+
x p
x=0
xn
V reverse +
Curren...
...EE 4940 Homework 4
Spring 2009
Total points: 100 (each problem 20 pts) Contents
1. Solution to n+p junction diffusion equation . 1 2) Equivalent hyperbolic solution.. 2 3) Accounting for absorption . 2 4) Apply boundary conditions to #3 . 3 5) Para...
...Revised February 16, 2009
Homework Assignment
EE4940
1. An n+ p Si junction in which the the emitter thickness is much less than 1/ at all wavelengths is shown below.
n + - Si p-Si x
- -Wn xn
-xn
0
xp
Wp+ x p
The coordinate system is chosen ...
...Conclusion: Si Cell
h thick; hi absorption high L N 300 m 0.5 m
min back surface recomb n low lateral R; hi recombination thin; high transmission p p+
Densities
n(E) Energy g(E)
Conduction Band f(E) Eg EC Ed Ea EV Valence Band
Main Idea
n(E )dE...
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Minnesota >> EE >> 4940 (Fall, 2008)
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Minnesota >> EE >> 4609 (Spring, 2008)
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Minnesota >> EE >> 8581 (Fall, 2008)
University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2009 March 5, 2009 _ Name:_ Student ID:_ Question 1 Question 2 Question 3 TOTAL /10 /10 /10 /30 Solve the three problems that appe...
Minnesota >> EE >> 5622 (Spring, 2008)
Physical Optics Laboratory Lab Exercise #7: Coherent and Incoherent Imaging I. Alignment and Performance of an Afocal Imaging System 1. Set up the coherent optical imaging system diagramed below. The system consists of a collimated laser source and ...
Minnesota >> EE >> 5324 (Spring, 2008)
Short Channel MOS Transistor Professor Chris H. Kim University of Minnesota Dept. of ECE chriskim@umn.edu www.umn.edu/~chriskim/ Topics Long channel MOSFET: review Strong inversion (linear, saturation mode) Bulk charge model Short channel MOSFE...
Minnesota >> EE >> 4609 (Spring, 2008)
4) (a) (b) ...
Minnesota >> EE >> 4609 (Spring, 2008)
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Minnesota >> EE >> 4609 (Spring, 2008)
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Minnesota >> EE >> 4609 (Spring, 2008)
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Minnesota >> EE >> 4609 (Spring, 2008)
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Minnesota >> EE >> 4341 (Fall, 2008)
EE4341 HOMEWORK ASSIGNMENT 5 Due: Friday, 10 April 2009 Spring 2009 Problem 1. For the following packets indicate the packet elds (the type) used in each packet and the contents (bit values) of each eld. Clearly identify the MSB and LSB of each eld...
Minnesota >> EE >> 4609 (Spring, 2008)
EE4609 Spring 2009 Homework #5 1) (a) For the parallel end termination Vdd RA RA RL = Z o C calculate the power dissipation (W) and current draw (A) when holding a logic high (as shown in above circuit) and the power dissipation (W) and current d...
Minnesota >> EE >> 5621 (Spring, 2008)
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Minnesota >> EE >> 5621 (Spring, 2008)
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Minnesota >> EE >> 5621 (Spring, 2008)
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Minnesota >> EE >> 5621 (Spring, 2008)
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Minnesota >> EE >> 5621 (Spring, 2008)
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Minnesota >> EE >> 5621 (Spring, 2008)
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Minnesota >> EE >> 8581 (Fall, 2008)
University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2009 Problem Set 0 Assigned: January 20, 2009 Problem 1 This problem is designed to develop the geometric approach to detection and e...
Minnesota >> EE >> 8581 (Fall, 2008)
EE8581 Solution to PS 0 Spring 2009 ...
Minnesota >> EE >> 8581 (Fall, 2008)
University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2009 Problem Set 1 Assigned: January 27, 2009 Readings: Read Levy Sections 2.1- 2.6. Problems: Solve problems 2.2, 2.4 and 2.5 in Cha...
Minnesota >> EE >> 8581 (Fall, 2008)
EE8581 Solution to PS 1 Spring 2009 ...
Minnesota >> EE >> 8581 (Fall, 2008)
University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2009 Problem Set 2 Assigned: February 10, 2009 Readings: Read Levy Sections 2.1- 2.7, 5.1- 5.2. Problems: Solve problems 2.13, 5.2 an...
Minnesota >> EE >> 8581 (Fall, 2008)
EE8581 Solution to PS 2 Spring 2009 Problem 5.4 Problem 4: ...
Minnesota >> EE >> 8581 (Fall, 2008)
University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2009 Problem Set 3 Assigned: February 17, 2009 Readings: Read Levy Sections 5.1- 5.2, Chapter 4. Problems: Solve problems 4.2, 4.3 an...
Minnesota >> EE >> 8581 (Fall, 2008)
EE8581 Solution to PS 3 Spring 2009 Problem 4: ...
Minnesota >> EE >> 8581 (Fall, 2008)
University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2009 Problem Set 4 Assigned: February 24, 2009 Readings: Read Levy Sections 5.1- 5.2, Chapter 4. Problems: Solve problems 4.10 and 4....
Minnesota >> EE >> 8581 (Fall, 2008)
EE8581 Solution to PS 4 Spring 2009 Problem 3 ...
Minnesota >> EE >> 8581 (Fall, 2008)
University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2009 Problem Set 5 Assigned: March 24, 2009 Readings: Read Levy Chapters 3 and 6. Problems: Solve problems 3.10, 3.13, 6.2 and 6.6 in...
Minnesota >> EE >> 8581 (Fall, 2008)
EE8581 Solution to PS 5 Spring 2009 Problem 5 Problem 6: ...
Minnesota >> EE >> 8581 (Fall, 2008)
University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2009 Problem Set 6 Assigned: April 2, 2009 Readings: Read Levy Chapters 7, 8 and 9. Due: April 10, 2009 Problem 1: Let a(t) and r(t)...
Minnesota >> EE >> 8581 (Fall, 2008)
EE8581 Solution to PS 6 Spring 2009 Problem 1 Problem 2 ...
Minnesota >> EE >> 8581 (Fall, 2008)
University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2009 Problem Set 7 Assigned: April 14, 2009 Readings: Read Levy Chapters 7, 8 and 9. Problems: Solve problems 9.8 in Chapter 9 of Lev...
Minnesota >> EE >> 8581 (Fall, 2008)
University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2007 March 1, 2007 _ Name:_ Student ID:_ Question 1 Question 2 Question 3 TOTAL /10 /10 /10 /30 Solve the three problems that appe...
Minnesota >> EE >> 8581 (Fall, 2008)
University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2007 Exam 2 April 24, 2007 _ Name:__ Student ID:_ Question 1 Question 2 Question 3 TOTAL /10 /10 /10 /30 Solve the three problems...
Minnesota >> EE >> 8581 (Fall, 2008)
. ,. \' University of Minnesota Dept. of Electrical and Computer Engineering EE 8581 DETECTION AND ESTIMATION THEORY Spring 2007 Exam 2 April 24, 2007 Name: 5olaHoM Student ID: Question 1 Question 2 Question 3 TOTAL /10 /10 /10 /30 Solve the ...
GA Southern >> COMPUTING >> 415 (Spring, 2009)
Introduction to Compiling Chapter 1 Compiler Construction Introduction to Compiling 1 To Do Read Chapter 1 of the Dragon book Begin work on Assignment 1 Compiler Construction Introduction to Compiling 2 What is a compiler? A program that...
GA Southern >> COMPUTING >> 415 (Spring, 2009)
Syntax Directed Analysis Chapter 5 Compiler Construction Syntax Directed Analysis 1 Syntax-Directed Denitions Generalizes a context-free grammar Each grammar symbol has an associated set of attributes Synthesized attributes Inherited attribu...
GA Southern >> COMPUTING >> 415 (Spring, 2009)
Type Checking Chapter 6 Compiler Construction Type Checking 1 Type Checking Verify that the type of a construct matches the type expected by the context Foo d; d Foo = (a + b) * c; int int d; d int = (a + b) * c; int Compiler Construction Ty...
GA Southern >> COMPUTING >> 415 (Spring, 2009)
Run-time Environments Chapter 7 Compiler Construction Run-time Environments 1 Run-time Environment The static source code requires considerable support to be executed on a computer Data objects must be created and destroyed Variables with th...
GA Southern >> COMPUTING >> 415 (Spring, 2009)
Intermediate Code Generation Chapter 8 Compiler Construction Intermediate Code Generation 1 Code Generation Process Abstract Syntax Tree arglist arglist arglist arglist arg a Intermediate Representation (3 address code) arg b arg c Intermedia...
GA Southern >> COMPUTING >> 415 (Spring, 2009)
Code Generation Chapter 9 Compiler Construction Code Generation 1 Issues in Code Generation Target language Relocatable machine code Commercial compilers produce this Absolute machine code OS code must start at a particular memory address ...
GA Southern >> COMPUTING >> 415 (Spring, 2009)
Code Optimization Chapter 10 Compiler Construction Code Optimization 1 Goals of Code Optimization decrease running time of program reduce space requirements Compiler Construction Code Optimization 2 Goal Code produced by compiler as goo...
GA Southern >> COMPUTING >> 415 (Spring, 2009)
Compiler Construction Chapter 11 Compiler Construction Compiler Construction 1 A New Compiler Perhaps a new source language Perhaps a new target for an existing compiler Perhaps both Compiler Construction Compiler Construction 2 Source L...
GA Southern >> COMPUTING >> 124 (Fall, 2009)
The Context of Software Development Chapter 1 1 What is a Computer Program? The instructions that make a computer do the things we want it to do Game Spreadsheet Browser A program is software Software controls hardware Hardware without software...
GA Southern >> COMPUTING >> 124 (Fall, 2009)
Values, Variables, and Types Chapter 2 1 For Next Time Read Chapter 2 Don\'t forget to come to lab this week Your laptops are welcome, and we can make sure Java and DrJava are properly installed and working (install via CD instead of over the `net...
GA Southern >> COMPUTING >> 124 (Fall, 2009)
Objects: Packaging Computation Chapter 4 1 For Next Time Read Chapter 4 2 Objects Java is an object-oriented programming language Most modern languages are OO Objects form the basis for computation Objects correspond more directly to real wo...
GA Southern >> COMPUTING >> 124 (Fall, 2009)
Living with Java Chapter 8 1 For Next Time Read Chapter 8 2 Output In DrJavas Interactions pane expressions are automatically displayed In a program a printing object must be used to display information Common methods to use: System.out.print...
GA Southern >> COMPUTING >> 124 (Fall, 2009)
Inheritance and Polymorphism Chapter 11 1 For Next Time Read Chapter 11 2 New classes from existing classes public class NewClass extends ExistingClass { /* . . . */ } NewClass is the subclass; ExistingClass is the superclass NewClass inherit...
GA Southern >> COMPUTING >> 124 (Fall, 2009)
Some Standard Classes Chapter 13 1 For Next Time Read Chapter 13 2 Packages Classes can be organized into packages The core classes reside in the java.lang package No import is needed Classes include System, String, Math, and the primitive typ...
UMBC >> CMSC >> 331 (Spring, 2003)
Programming Languages Introduction Some material copyright 1998 by Addison Wesley Longman, Inc. Overview Motivation Why study programming languages? Some key concepts 1 Some material copyright 1998 by Addison Wesley Longman, Inc. 2 What is ...
UMBC >> CMSC >> 331 (Spring, 2003)
UMBC CMSC 331 History Chapter 2 History of Programming Languages CMSC 331. Some material 1998 by Addison Wesley Longman, Inc. Early History : The first programmers The 1940s: Von Neumann and Zuse The 1950s: The First Programming Language The 1...
UMBC >> CMSC >> 331 (Spring, 2003)
Introduction Chapter 3 (a) Syntax 1 CMSC 331, Some material 1998 by Addison Wesley Longman, Inc. We usually break down the problem of defining a programming language into two parts. Defining the PLs syntax Defining the PLs semantics Syntax - the...
UMBC >> CMSC >> 331 (Spring, 2003)
Chapter 3 (b) Semantics Semantics Overview Syntax is about form and semantics about meaning. The boundary between syntax and semantics is not always clear. First well look at issues close to the syntax end, what Sebesta calls static semantics, an...
UMBC >> CMSC >> 331 (Spring, 2003)
Chapter 4 Lexical analysis 1 CMSC 331, Some material 1998 by Addison Wesley Longman, Inc. Concepts Lexical scanning Regular expressions DFAs and FSAs Lex CMSC 331, Some material 1998 by Addison Wesley Longman, Inc. 2 Lexical analysis in per...
UMBC >> CMSC >> 331 (Spring, 2003)
Parsing Chapter 4 (c) parsing A grammar describes the strings of tokens that are syntactically legal in a PL A recogniser simply accepts or rejects strings. A generator produces sentences in the language described by the grammar A parser constr...
UMBC >> CMSC >> 331 (Spring, 2003)
Right Sentential Forms Chapter 4d Bottom Up Parsing CMSC 331, Some material 1998 by Addison Wesley Longman, Inc. Recall the definition of a derivation and a rightmost derivation. Each of the lines is a (right) sentential form The parsing proble...
UMBC >> CMSC >> 331 (Spring, 2003)
Introduction Chapter 5 Variables: Names, Bindings, Type Checking and Scope 1 This chapter introduces the fundamental semantic issues of variables. It covers the nature of names and special words in programming languages, attributes of variables, c...
UMBC >> CMSC >> 331 (Spring, 2003)
Agenda Introduction to Java 1 Unique Features of Java Java versions Installation and running Java programs Basic Hello World application Command line arguments Basic Hello WWW applet CMSC 331 Some material adapted from Mary Hall\'s Core Web...
UMBC >> CMSC >> 331 (Spring, 2003)
Agenda Basic Object-Oriented Programming in Java 1 Similarities and differences between Java and C+ Object-oriented nomenclature and conventions Instance variables (fields) Methods (member functions) Constructors CMSC 331 Some material adapt...
UMBC >> CMSC >> 331 (Spring, 2003)
Agenda Advanced Object-Oriented Programming in Java 1 Overloading Designing \"real\" classes Inheritance Advanced topics Abstract classes Interfaces Understanding polymorphism Setting a CLASSPATH and using packages Visibility modifiers Cre...
UMBC >> CMSC >> 331 (Spring, 2003)
BlueJ: a very quick introduction BlueJ BlueJ is an IDE IDE = (Interactive|Integrated) Development Environment It includes an editor, which you use to write your programs a debugger, to help you find your mistakes a viewer, to see the parts of...
UMBC >> CMSC >> 331 (Spring, 2003)
Agenda Basic Java Syntax 1 Creating, compiling, and executing simple Java programs Accessing arrays Looping Using if statements Comparing strings Building arrays One-step process Two-step process CMSC 331 Some material adapted from Mary H...
UMBC >> CMSC >> 331 (Spring, 2003)
CMSC 331 Principles of programming languages Variables and Objects Review of objects and variables in Java UMBC CMSC 331 Java what happens when you run this? a String a = \"foo\"; \"foo\" System.out.println (a); (String) it prints foo what is \"foo\"...
UMBC >> CMSC >> 331 (Spring, 2003)
Java GUI building with the AWT AWT (Abstract Window Toolkit) Present in all Java implementations Described in (almost) every Java textbook Adequate for many applications Uses the controls defined by your OS therefore it\'s least common denominator de...
UMBC >> CMSC >> 331 (Spring, 2003)
30-Oct-03 Composition The most common way to use one class within another is compositionjust have a variable of that type Examples: class LunarLanderGame { LunarLander lander = new LunarLander(); . class MaxPlayer { String name; / String is a class ...
UMBC >> CMSC >> 331 (Spring, 2003)
Abstract methods You can declare an object without defining it: Person p; Abstract Classes and Interfaces 30-Oct-03 Similarly, you can declare a method without defining it: public abstract void draw(int size); Notice that the body of the method is ...
UMBC >> CMSC >> 331 (Spring, 2003)
Inner classes Inner Classes All the classes so far have been \"top level\" classes level\" It is possible (and useful) to define a class inside another class Like a locally defined class Inner classes were not in Java 1.0 As a result, they are not as ...
UMBC >> CMSC >> 331 (Spring, 2003)
Overview Model-View-Controller design pattern Introduce concepts: design pattern, CRC cards Illustrate with model-view-controller model- viewpattern Show how a programming language (Java) supports MVC pattern Design Patterns \"Making abstractions ...
UMBC >> CMSC >> 331 (Spring, 2003)
Errors and Exceptions Exceptions An error is a bug in your program dividing by zero going outside the bounds of an array trying to use a null reference An exception is a problem whose cause is outside your program trying to open a file that isnt t...
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