ECE 290
Lecture 1
Lecture 1
Representation of Information
Topics
Course overview
Binary and hexadecimal representation of information
2s complement representation and arithmetic
Binary representation
Problem # 1:
(a) Show that the minimum conductivity of a semiconductor sample occurs when n0 = ni
(p/n).
(b) What is the expression for the minimum conductivity?
Homework 1: Solutions
1. Consider how the de Broglies suggestion might explain some properties of the hydrogen atom. a. Show that the assumption h p = m = and the quantization condiction that the leng
Chapter 3
Gauss(s) Law
3.1
3.1.1
The Important Stu
Introduction; Grammar
This chapter concerns an important mathematical result which relates the electric eld in
a certain region of space with the ele
Physics 114 Exam 3 Spring 2013
Name: _
For grading purposes (do not write here):
Question
Problem
1.
1.
2.
2.
3.
3.
4.
Question 1 (10 points). Determine the initial direction of the deflection of char
Chapter 4
Gausss Law
4.1 Electric Flux . 4-2
4.2 Gausss Law . 4-3
Example 4.1:
Example 4.2:
Example 4.3:
Example 4.4:
Infinitely Long Rod of Uniform Charge Density . 4-8
Infinite Plane of Charge. 4-9
NAME _
MIDTERM EXAM 2 - SOLUTIONS
(Closed book)
ECE 442
July 21, 2008
8:00 a.m. 9:00 a.m.
Instructions: Write your name, and NetID where indicated. You are allowed to use one formula
sheet (81/2 11) a
Lecture 9, p 1
Lecture 9:
Introduction to QM:
Review and Examples
S1
S2
Lecture 9, p 2
Photoelectric Effect
KEmax = e Vstop = hf
Binding
energy
The work function:
3
Vstop (v)
is the minimum energy n
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Problem 1.24 The plot in Fig. P1.24 displays the cumulative charge q(t ) that has
entered a certain device up to time t . Sketch a plot of the corresponding current i(t ).
q
20 C
0
1
2
t (s)
3
4
5
20
E CE 2101211 University o f Illinois
Analog Signal Processing
Fan 2008
Trick, Basar, Franke
Exam 1
Thursday, September 25, 2008 -7:00~8:15 P M
Name:
Section: (circle one) Class: (circle one)
9 AM
l
ECE210/211
University of Illinois at
Urbana-Champaign
Analog Signal Processing
Fall 2010
Allen, Jones, Levinson
Exam 2
Thursday, October 21, 2010 - 7:00-8:15 P.M.
Name:
NetID:
Section:
(circle one)
Cl
Lecture 6:
Waves Review, Crystallography,
and Examples
Lecture 6, p. 1
Single-Slit Diffraction (from L4)
Single
P
Slit of width a. Where are the minima?
Use Huygens principle: treat each point
across
Homework 1 Solutions
Physics 721
Soring 2013
1
Jackson 1.3
Using Dirac delta functions in the appropriate coordinates, express the folowing charge distributions as
three-dimensional charge densities (
Sequential Circuit Design
Objectives
This section deals with the design of sequential circuits including the following: A discussion of the construction of state/output tables or diagrams from a word
ECE 290
Homework 7
Homework #7
Problem 7.1.
Consider a 3-bit twisted ring counter consisting of 3 D flip-flops (labeled A, B, C from left-toright) and an inverter, connected such that DB = QA, DC = QB
ECE 290
Homework 6 Solution
Homework #6 Solutions
Problem 6.1
(a) Q+ = (Qbar (CD)')' = (Q (CD')')' + CD = CD + QC' + QD = CD + C'Q.
C D
Q+
0 0
Q
0 1
Q
1 0
0
1 1
When C=1, the inputs to the second stag
ECE 290
Lecture 10
Lecture 10
LC-3 microarchitecture and I/O
Topics
LC-3 microarchitecture
Memory-mapped I/O
Interrupt-based I/O
Reading
Y. N. Patt and S. J. Patel, Introduction to Computing Systems:
ECE 290
Homework 8
Homework #8
Problem 8.1.
Consider a 128M x 32 RAM
a. How many address lines and data lines would this RAM need?
b. How many bytes does this RAM hold?
c. How many 4K x 4 RAMs would y
ECE 290
Homework 6
Homework #6
Problem 6.1.
(a) Shown below is the logic diagram of a D latch. It consists of 4 NAND gates and an inverter.
It has 2 inputs: D and C.
i.
ii.
iii.
Express Q+ as a functi
ECE 290
Homework 5
Homework #5
Problem 5.1.
In this problem you will design a Full Subtractor (FS) cell. As shown below, this cell has inputs
xi and yi and a borrow input bi. There are two outputs: di
ECE 290
Lecture 3
Lecture 3
Combinational logic analysis and design
Topics
K-maps and function minimization
NAND, NOR, XOR, XNOR functions
Analysis of combinational networks
Design of combinational ne
ECE 290
Lecture 2
Lecture 2
Boolean Algebra
Topics
Boolean functions
Boolean algebra identities and Boolean proofs
Principle of duality
SOP, POS
Canonical forms
Reading
M. Morris Mano, Charles R. Kime
ECE 290
Homework 7 Solution
Homework #7 Solutions
Problem 7.1
a. 000 -> 100 -> 110 -> 111 -> 011 -> 001 -> 000 -> .
b. 010 and 101 are illegal states. If the counter starts in one of these states, it