Chapter 25
Electric Potential
2
Fig 25-CO, p.762
CHAPTER OUTLINE
25.1 Potential Difference and Electric Potential
25.2 Potential Differences in a Uniform Electric F
25.3 Electric Potential and Potential Energy Due t
25.4 Obtaining the Value of the Electri
FET Characteristics and its Circuit
Applications
REPORT
Experiment 1: MOSFET Device Characteristic Measurement
1(a)(b)
FET number
VT(a)
3SK81
VT(b)
-0.97V
-1.2V
2(a)(b)
FET number
VT(a)
IRF630
VT(b)
2.53V
2.1V
3
FET number
IDSS
3SK81
3.1mA
IRF630
0
(4) cu
BJT Characteristics and Application
Circuit
LABII
ClassEE B
Group16
Name
Student ID9711023
Member
Student ID9711071
experiment at Dec. 2 2008
Practice 1 The effect of RB and RC on bias circuit Observe the change of operation
point with different RB and R
Diode Characteristics and its Circuit
Applications
LAB(2)
Experiment 1: Utilize Diode to Make a Tunable Non-linear Curve
For the Fig (a) and Fig (b), input a sinewave with 10V amplitude and 1KHz frequency.
Change the values of V+ and V- and use X-Y mode
Linear Algebra 2008
Chapter6
Chapter 6 Eigenvalues & Eigenvectors
6.1 Introduction to Eigenvalues
Background:
(1) Ax=b can be solved by the techniques mentioned in the previous chapters,
only if the system is stationary. What if the system is dynamic?
(2
Linear Algebra 2008
Chapter 5
Chapter 5 Determinants
5.3 Cramers Rule, Inverse & Volumes
Theorem (Cramers Rule) If Ax=b is a system of n linear equations in n un-
knowns and det( A) 0 , then it has a unique solution. This solution is
x1 =
det( B1 )
,
det
Linear Algebra 2008
Chapter 5
Chapter 5 Determinants
5.1 The Properties of Determinants
det(A) or |A|: matrix a real value
Is A invertible? Solution of linear systems
E.g. Solving a system
ax + by = k1 (1)
cx + dy = k 2 ( 2)
, given a 0 .
Step 1: Use a a
Linear Algebra(2008)
Chapter 3
3.4 The Complete Solution to Ax=b
We have discussed the case when A is invertible then there is a unique solution
x=A-1b, and x=0 if b=0.
Now, if A is noninvertible, what is the complete solution x for Ax = b?
Example
x1
1
Linear Algebra (2008)
Chapter 3
Chapter 3 Vector Spaces & Subspaces
3.1 Spaces of Vectors
Definition of the n-dimensional real (or complex) vector space Rn (or Cn):
The space consists of all column vectors v with n real (or complex) components.
4
0
3
Thermodynamics-Part IV
Reference: Physics for Scientists &
Engineers by Serway & Jewett
Chapter 22
Heat Engines, Entropy and the
Second Law of Thermodynamics
First Law of Thermodynamics
Review
Review: The first law states that a change in
internal energy
Thermodynamics-Part III
Reference: Physics for Scientists &
Engineers by Serway & Jewett
Chapter 21
The Kinetic Theory of Gases
21.1 Molecular Model of an Ideal Gas
The model shows that the pressure that a gas exerts on
the walls of its container is a con
Thermodynamics-II
Reference: Physics for Scientists &
Engineers by Serway & Jewett
Chapter 20
Heat and the
First Law of Thermodynamics
Thermodynamics
Historical Background
Thermodynamics and mechanics were considered to be
separate branches
Until about
Thermodynamics-Part I
Reference: Physics for Scientists &
Engineers by Serway & Jewett
Introduction
Concept of Temperature ?
Temperature is not expressible in terms of basic
mechanical quantities such as mass, length, and
time.
Thats why we have thermodyn
Chapter 30
Sources of the Magnetic Field
2
Fig 30-CO, p.927
CHAPTER OUTLINE
30.1 The BiotSavart Law
30.2 The Magnetic Force Between Two
Parallel Conductors
30.3 Ampres Law
30.4 The Magnetic Field of a Solenoid
3
CHAPTER OUTLINE
30.5 Magnetic Flux
30
Chapter 30
Sources of the Magnetic Field
2
Fig 30-CO, p.927
CHAPTER OUTLINE
30.1 The BiotSavart Law
30.2 The Magnetic Force Between Two Para
30.3 Ampres Law
30.4 The Magnetic Field of a Solenoid
3
CHAPTER OUTLINE
30.5 Magnetic Flux
30.6 Gausss Law in Ma
Chapter 29
Magnetic Fields
CHAPTER OUTLINE
29.1 Magnetic Fields and Forces
29.2 Magnetic Force Acting on a CurrentCarrying Conductor
29.3 Torque on a Current Loop in a Uniform
Magnetic Field
29.4 Motion of a Charged Particle in a Uniform Mag
29.5 App
Chapter 29
Magnetic Fields
2
Fig 29-CO, p.895
A Brief History of
Magnetism
13th century BC
Chinese used a compass
Uses a magnetic needle
Probably an invention of Arabic or Indian origin
800 BC
Greeks
Discovered magnetite (Fe3O4) attracts pieces of
Chapter 28
Direct Current Circuits
2
Fig 28-CO, p.858
CHAPTER OUTLINE
28.1 Electromotive Force
28.2 Resistors in Series and Parallel
28.3 Kirchhoffs Rules
28.4 RC Circuits
28.5 Electrical Meters
28.6 Household Wiring and Electrical
Safety
3
Direct Current
Chapter27
CurrentandResistance
2
Fig 27-CO, p.831
CHAPTER OUTLINE
27.1ElectricCurrent
27.2Resistance
27.3AModelforElectricalConduction
27.4ResistanceandTemperature
27.5Superconductors
27.6ElectricalPower
3
27.1 Electric Current
Electric current is
Chapter 23
Electric Fields
Electricity and Magnetism,
Some History
Many applications
Macroscopic and microscopic
Chinese
Documents suggest that magnetism was observed
as early as 2000 BC
Greeks
Electrical and magnetic phenomena as early as
700 BC
E
1
Circular Convolution
Hsiao-feng Francis Lu
04/30/2011
!
Let x[n] and y [n] be discrete periodic function with period N . The circular convolution of
x[n] and y [n] is dened as
z [n] = x[n]
y [n] =
N 1
k =0
x[k ]y [n k ]
Prop. 1: z [n] is also a periodic
Chapter 7 Representing Signals by Using
Discrete-Time Complex Exponentials: The
z-Transform
H. F. Francis Lu
2011 Spring: Signal and Systems
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1 / 58
Sec. 7.2 The z-Transform
2011 Spring: Signal and Systems
Ver. 2011.05.15
H
Chapter 3 Fourier Representations of
Signals and LTI Systems
H. F. Francis Lu
2011 Spring: Signal and Systems
Ver. 2011.03.27
H. F. Francis Lu
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Sec 3.3 Fourier Representation for
Four Classes of Signals
2011 Spring: Signal and Systems
Ver. 2011.03.
Chapter 2: Time-Domain Representation of
Linear Time-Invariant Systems
H. F. Francis Lu
2011 Spring: Signal and Systems
Ver. 2011.03.06
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Sec. 2.2 Convolution Sum
Sec 2.3 Convolution Sum
Evaluation Procedure
2011 Spring: Signal and S
Signal and Systems
Chapter 1: Introduction
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2011 Spring: Signal and Systems
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Signal and Systems
Signal
A signal is formally dened as a function of one or more
variables that conveys information on the