... conduction and
valence bands of an insulator,
semiconductor, and conductor.
Energy
Energy Energy
E > 5 eV
g
Valence band
Conduction band
Valence band
Conduction band
Conduction band
The bands
overlap
Electrons
"free" ... editions. The comments from these individu-
als have enabled us to present Electronic DevicesandCircuitTheory in this Seventh
Edition:
Ernest Lee Abbott Napa College, Napa, CA
Phillip D. Anderson ... light-emitting diode (LED) and the liquid-crystal display (LCD). Since
the LED falls within the family of p-n junction devicesand will appear in some of
SEVENTH EDITION
E
LECTRONIC
D
EVICES
AND
C
IRCUIT
T
HEORY
ROBERT...
... stability, andby strengthening their supervisory practice.
For the financial circuit to operate smoothly and under stable conditions, creation of
franchise value should go hand in hand with development ... improve the maturity matching of domestic
investment demand and foreign capital supply, enhance intra -circuit and inter -circuit stability,
and induce sustainable investment as risk assessment on ... day-to-day
business and liquidity, and of short-term developments of demand and supply in the specific
sectors and markets where enterprises operate. Investment financial institutions, on the other
hand, develop...
... analysis and
design of electrical and electronic circuits and systems.
Organization
The book is divided into three parts: Introduction to MATLAB, Circuit analysis
applications using MATLAB, and ... have briefly covered the underlying theoryand
concepts, not with the aim of writing a textbook on circuit analysis and
electronics. Selected problems in circuit analysis have been solved using ... MATLAB.
Parts 2 and 3 are for electrical and electrical engineering technology students and
professionals who want to use MATLAB to explore the characteristics of
semiconductor devicesand the application...
... erased. The
hold command holds the current plot on the screen, and inhibits erasure and
rescaling. Subsequent plot commands will overplot on the original curves.
The hold command remains in effect ... effect until the command is issued again.
When a graph is drawn, one can add a grid, a title, a label and x- and y-axes
to the graph. The commands for grid, title, x-axis label, and y-axis label ...
2.3 LOGARITHMIC AND POLAR PLOTS
Logarithmic and semi-logarithmic plots can be generated using the commands
loglog, semilogx, and semilogy. The use of the above plot commands is
similar...
...
power. Three-phase circuits are analyzed by converting the circuits into the
frequency domain andby using the Kirchoff voltage and current laws. The un-
known voltages and currents are solved ...
6.2 SINGLE- AND THREE-PHASE AC CIRCUITS
Voltages and currents of a network can be obtained in the time domain. This
normally involves solving differential equations. By transforming the ... (6.65)
The following example shows how to obtain and plot the frequency response
of an RLC circuit.
Example 6.7
For the RLC circuit shown in Figure 6.13, (a) show that the transfer...
...
yt
yt
yt
yt
n
()
()
()
.
.
()
=
1
2
and
A, B, C
, and
D
are matrices determined by constants of a system.
For example, consider a single-input and a single-output system described by
the differential ... current response of a source-free RL circuit with
initial current
I
m
, and it represents the natural response of an RL circuit.
Figure 5.6 is an RL circuit with source voltage
vt V
S
()
=
. ... step function and
RRR K
123
10
=== Ω
,
CC F
12
5
==
µ
,
and
L
= 10 H, find and plot
the voltage
vt
0
()
within the intervals of 0 to 5 s.
Solution
Using the element values and Equations...
... dissipated by the 8 Ohm resistor
and the current supplied by the source is shown below
MATLAB Script
diary ex4_4.dat
% This program determines the power dissipated by
% 8 ohm resistor and current ... 4.4 illustrates the use of KVL and MATLAB to
solve loop currents.
Example 4.4
Find the power dissipated by the 8 Ohm resistor and the current supplied by
the 10-volt source.
I
s
10 ... current
I
and the power supplied by the 10-volt source is
MATLAB Script
diary ex4_3.dat
% this program determines the current
% flowing in a resistor RB and power supplied by source
%...