electronics devices and circuits ppt
Electronic Devices and Circuits doc
Ngày tải lên :
16/03/2014, 09:20
... Bias Compensation
281
5.13 Biasing Circuits For Linear Integrated Circuits 284
"This page is Intentionally Left Blank"
26
Electronic
Devices
and
Circuits
1.4
PRINCIPLES
OF
CRT ...
Technology
ASICS (Application Specific Integrated Circuits)
HYBRIDICs
BICMOS
MCMs (Multi Chip Modules)
3-D packages
10
Electronic
Devices
and
Circuits
Problem 1.3
An
electron starts at ... oscilloscope.
eRO
is
an extremely useful and versatile laboratory instrument used for the measurement
and analysis
of
waveforms and other phenomena
in
electronic circuits. These are basically very...
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Electronics - Theory and Design of Electrical and Electronic Circuits
Ngày tải lên :
27/10/2013, 16:15
... materials and of which it is not had
catalogues, it is the most usual experimentation to obtain its characteristics. For this the inductance is
measurement with and without nucleus, and µ
ref
... the values V
OS
and I
OS
we can use this general expression with
the aid of the circuits that are
To consider a power repetitive is to remember a harmonic analysis of voltage and current. Therefore, ... addition of the loops; and finally inductance L by geometry and nucleus.
This assembly will determine an inductor in the rank of frequencies until ω
0
given by effective
the L
ef
and R
ef
until...
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Tài liệu Mechanisms and Mechanical Devices Sourcebook P2 pptx
Ngày tải lên :
23/01/2014, 05:20
... tools, and axes J5 and J6 have precision gear
drives. All process and application cables are routed through the
arm, and there are brakes on all axes.
S-900
i robots support standard I/O networks and ... annealing furnaces
and punch presses, and they assemble and test electrical and
mechanical products. Benchtop robots pick and place electronic
components on circuit boards in electronics plants, ... William J. Anderson and William
Shipitalo of Nastec, Inc., and Wyatt Newman of Case Western
Reserve University for
Lewis Research Center.
48
IMPROVED ROLLER AND GEAR
DRIVES FOR ROBOTS AND
VEHICLES
One...
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Tài liệu Robot Mechanisms and Mechanical Devices Illustrated P1 pptx
Ngày tải lên :
25/01/2014, 12:20
... describing the electric circuits
used in robots, and books that teach the software and control code for
robots, there are few that are focused entirely on the mechanisms and
mechanical devices used in ... on
mechanisms and devices that relate to vehicles that move around by
themselves and actually do things autonomously, i.e. a robot. Making a
vehicle that can autonomously drive around, both indoors and ... lowered and the
next layer is applied. This procedure is repeated until the 3D model is completed. A fault
detection system determines the quality and thickness of the wax and plastic layers and
directs...
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Tài liệu Mechanisms and Mechanical Devices Sourcebook P9 pptx
Ngày tải lên :
27/01/2014, 14:20
... bi-directional slip and independent
torque capacities for the two directions of rotation. It requires
two springs, one right-handed and one left-handed, for coupling
the input, intermediate and output ... faster.
Edges of the clutch bands carry the
entire load, and there is also a compound
action of one band upon another. As the
torque builds up, each band pushes down
on the band beneath it, so each ... actuation, and
torque control in dynamometers.
Eddy-Current Clutches
Eddy-current clutches on the other hand, are inherently speed-
sensitive devices. They exhibit virtually no hysteresis, and
develop...
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Tài liệu Mechanisms and Mechanical Devices Sourcebook P11 ppt
Ngày tải lên :
27/01/2014, 14:20
... steel, monel, and
bronze for handling acids, oils, and sol-
vents. The impeller is made of pressure-
vulcanized laminated layers of Hycar, 85 to
90 percent hard. Sand, grit, scale and
fibrous materials ... side and causes the tube to
be filled rapidly. The pump can be driven clockwise or counter-clockwise. The tube is
completely encased and cannot expand beyond its original diameter. The standard ... single-gland type.
Automatic wear control compensates for normal wear and
maintains volumetric efficiency. This pump will handle 5 to
300 gph without churning or foaming. It needs no lubrication
and...
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Tài liệu Mechanisms and Mechanical Devices Sourcebook P13 ppt
Ngày tải lên :
27/01/2014, 14:20
...
ψ
13
and
ψ
12
. This establishes points A′
2
, A′
3
and
A′
4
, but here A′
3
and A′
4
coincide because of symmetry of A
3
and A
4
about A
0
B
0
.
4. Draw lines
A
1
A′
2
and A
1
A′
4
, and the ... crank -and- rocker mechanism problem can now
be obtained with only the accompanying table and a calculator.
An example in this knee-joint tester designed and built by following the design and calculat-
ing ... example, in Fig. 1 two angular motions,
φ
12
and
φ
13
, must be synchronized with two others,
ψ
12
and
ψ
13
,
about the given pivot points
A
0
and B
0
and the given crank length
A
0
A. This means...
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Tài liệu Mechanisms and Mechanical Devices Sourcebook P14 ppt
Ngày tải lên :
27/01/2014, 14:20
... elements and icons, and 2D drafting
and detailing capability, which support design collaboration and
compatibility among CAD, CAM, and computer-aided engineer-
ing (CAE) applications. Designers and ... capability and verifying commercial
demand. Initially ADI built these devices by interleaving, com-
bining, and customizing its internal manufacturing processes to
produce the micromechanical devices ... larger, thicker,
and more durable components with greater height-to-width
ratios. They can withstand high pressure and temperature excur-
Sclater Chapter 14 5/3/01 1:44 PM Page 484
parts and has embedded...
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Tài liệu IMF STAFF DISCUSSION NOTE - Accounting Devices and Fiscal Illusions pptx
Ngày tải lên :
17/02/2014, 10:20
...
Easterly (1999) and Koen and van den Noord (2005). As well as providing recent examples,
it presents a taxonomy of accounting devices and investigates the link between accounting
devices and the choice ... one
hand, getting accurate data requires hard work, careful checks, and continually evolving
standards. On the other, fiscal performance and the fiscal position are both multidimensional,
and ... standard for measuring debt
is specified, and the rule has been interpreted as preventing only the most standard of loans.
And, in 2010, the State effectively borrowed $1 billion by selling and...
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Practical Troubleshooting of Electrical Equipment and Control Circuits pptx
Ngày tải lên :
07/03/2014, 08:20
... troubleshooting 22
2 Devices, symbols, and circuits 24
2.1 Devices and symbols 24
2.2 Electrical circuits 24
2.3 Reading and understanding electrical drawings 28
2.4 Reading and understanding ladder ... Electrical Equipment and Control Circuits
Figure 2.8
Power and control circuit for an inverter drive
Devices, symbols, and circuits 27
A few simple control circuits are shown ... and methods 48
3.6 Testing devices 49
3.7 Circuits 61
3.8 Accurate wiring of circuits and connections 62
3.9 Tests for installation and troubleshooting 66
4 Troubleshooting AC motors and...
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Water-Quality Data from Semipermeable-Membrane Devices and Polar Organic Chemical Integrative Samplers Deployed in the McKenzie River Basin, Oregon pptx
Ngày tải lên :
14/03/2014, 20:20
... basin
and a discussion of sampling sites in the basin have been
previously reported in McCarthy and others (2009) and Kelly
and others (2012).
Sample Collection, Laboratory
Methods, and Quality ... (SPMD) and
the polar organic chemical integrative sampler (POCIS)—are
being used to address these particular challenges. Both the
SPMD (Huckins and others, 2006) and POCIS (Alvarez and
others, ... used to collect, prepare, and analyze
samples and to assure the quality of the data are presented
in detail in McCarthy and others (2009). Methods are
briey summarized and details specic to...
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Telecommunication Circuits and Technology pptx
Ngày tải lên :
22/03/2014, 10:20
... signal.
Negative feedback is used in amplifier circuits in order to give stability and reduced gain.
Bandwidth is generally increased, noise reduced and input and output resistances altered.
These are ... start up conditions.
Two practical circuits are shown in Fig. 1.13. Input and output resistances have an
effect on the Q factor and hence the stability of these circuits. Figure 1.13(a) has the ...
Circulators and isolators 354
7.9 Microwave active devices 356
Solid-state devices 356
Microwave tubes 356
Multicavity magnetrons 357
7.10 Further problems 367
A Bessel table and graphs...
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Foundations of Analog and Digital Electronic Circuits ppt
Ngày tải lên :
23/03/2014, 08:21
... ‘ Circuits and Electronics ’ is taught in both
the spring and fall semesters at MIT, and serves as a prerequisite for courses in signals and systems,
digital/computer design, and advanced electronics. ... machinery, micro-scale sensors
and actuators, and flexible structures. He has also taught courses in circuits and electronics at MIT.
He has written over 170 papers and holds 10 patents in the areas ... contemporary worlds of digital and analog
systems, and by unifying the treatment of circuits and basic MOS electronics. As they developed
the course, they solicited comments and received guidance from...
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Fundamentals of Circuits and Filters pptx
Ngày tải lên :
23/03/2014, 08:21
... Fundamentals of Circuits and Filters
The Circuits and Filters
Handbook
Third Edition
Fundamentals of Circuits and Filters
Feedback, Nonlinear, and Distributed Circuits
Analog and VLSI Circuits
Computer ... of linear circuits and filters, to emphasize interrelated concepts, to provide a mathematical
reference to the handbook itself, and to illustrate methodologies through the use of many and varied
examples.
This ... group is a nonempty set G
and one binary operation þsatisfying field properties 1, 4, and 5 for addition, that is, associativity and the
existence of additive identity and inverse. Moreover, if...
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