design of lowphasenoise cmos ring oscillators
Design and Simulation of A CMOS-MEMS Accelerometer
Ngày tải lên :
27/10/2013, 23:15
... Different schemes of capacitive interfaces
1
Table of Contents
1 Introduction 3
2 Sensing Element Design 6
2.1 Overview 6
2.2 Mechanical Design and Analysis 7
2.2.1 Spring Design 8
2.2.2. ... response of the sensor
orientation with respect to gravity.
due to self-test exitation of ~4g
amplitude.
Figure 5.8: Spectrum of amplitude-modulated signal.
peak of driving force
peak of the offset ... the major sources of offset. The sensor outputs have an
offset of about 25mV, which saturates the preamplifier. In experiments, the offset is cancelled by applying
a DC voltage of about 24V to two...
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Tài liệu Design And Simulation Of A Cmos-Mems Accelerometer doc
Ngày tải lên :
22/12/2013, 08:16
... experimental results of two fabricated accelerometers. Major
parameters of the sensor are measured. Experimental results point out some design issues such as spring
design and needs of offset trimming ... response of the sensor
orientation with respect to gravity.
due to self-test exitation of ~4g
amplitude.
Figure 5.8: Spectrum of amplitude-modulated signal.
peak of driving force
peak of the offset ... electrostatic force actua-
Proofmass
Proofmass
springs
sense fingers
rigid frame
electrostatic
actuators
sense
axis
sense axis
Figure 5.1: SEM of the first-generation Figure 5.2: SEM of the second-generation...
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SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures
Ngày tải lên :
06/09/2012, 15:56
...
1 - 2 Overview of the Program
1
Overview of the Program
SAP2000 is a stand-alone finite-element-based structural program for the
analysis and design of civil structures. It offers an intuitive, ... trying to read this manual on
your computer screen.
During the course of this tutorial, we will explore many of the basic fea-
tures of SAP2000. Prepare to spend at least one hour going through ... Property Type for Add area of the form. Scroll down the list
of import options until you find Import Double Angle – see Figure 7.
Single click on it.
D. In the Click to area of the Frame Properties...
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SAP2000 Integrated Finite Elements Analysis and Design of Structures
Ngày tải lên :
06/09/2012, 15:56
... Select Mode.
24. Click the roof beam at the top of the braced frame to select it. Also click the joint at the top
of the chevron brace (center of braced frame roof beam) to select it.
25. From ... C-10 to enter the last roof beam.
The model now appears as shown in Figure C-11.
Figure C-11: Model After All Roof Level Beams Have Been Drawn
18. Select all of the roof level frame elements and ... Span Loads Used In SAP2000 Model
Roof Beams 39, 40, 51, 52
0.40 klf DL
0.12 klf LL
Roof Beams 41/44, 42, 47/50, 49
Roof Beams 45, 46
0.48 klf DL
0.24 klf LL
Roof Beams 43, 48
Second Floor Beams...
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The design of mat foundations
Ngày tải lên :
16/10/2012, 10:43
... being designed for a small office building with a total live load of 250 kips
and dead load of 500 kips. Find: (a) the depth D
f
for a fully compensated foundation, (b) the
depth D
f
if a soft ... of the clay layer, z/B = 18 ft / 40 ft = 0.45 and L/B = 60 ft / 40 ft = 1.50
2) At the middle of the clay layer, z / B = 22 ft / 40 ft = 0.55 and L/B = 60 ft / 40 ft = 1.50
3) At the bottom of ... a
neighboring project sat on the mill site. The
material acted as a surcharge which compacted
the soil to the point of allowing for mat
foundations and shallow footings instead of
more traditional...
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Theory and Design of Electrical and Electronic Circuits
Ngày tải lên :
23/10/2013, 16:15
...
Chap. 10 Amplification of Audiofrecuenciy on high level classes A and B
Chap. 11 Amplification of Radiofrecuency in low level class A
Chap. 12 Amplification of Radiofrecuency in low level ... pulses. For this reason we have the series of following
equations of design finally
Chap. 05 Transformers of small value
Generalities
Designe of transformers
Solenoidal onelayer
Solenoidal ...
Generalities
Q- meter
Design of inductors
Oneloop
Solenoidal onelayer
Toroidal onelayer
Solenoidal multilayer
Design of inductors with nucleus of ferrite
Shield to solenoidal multilayer inductors
Design
Choke...
- 493
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- 6
Electronics - Theory and Design of Electrical and Electronic Circuits
Ngày tải lên :
27/10/2013, 16:15
... Transformadores of great value
Equivalent circuit of a transformer
Equivalent circuit of a inductor
Measurement of the characteristics
Transformer of alimentation
Design
Transformer of audiofrecuency
Transformer ... copper of the wire of the primary
R
2
resistance of the copper of the wire of the secondary
R
0
resistance of losses for Foucault and hysteresis
C
1
distributed capacitance of the winding of ... Polarization of components
Bipolar transistor of junction (TBJ)
Theory
Design
Fast design
Unipolar transistor of junction (JFET)
Theory
Design
Operational Amplifier of Voltage (AOV)
Theory
Design
...
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Tài liệu Design of a USB Device Driver ppt
Ngày tải lên :
13/12/2013, 00:15
... code execution of critical routines
Optimize code execution of critical routines
–
–
Design a solution with parallelism of processing and data
Design a solution with parallelism of processing ... depth
multiple packet depth
–
–
Hardware Retry of Packet Transfers on error
Hardware Retry of Packet Transfers on error
Key Features of a USB Controller
Key Features of a USB Controller
18
?
?
Hardware ... controls camera via control or
bulk endpoints.
bulk endpoints.
–
–
Design of the communications protocol is contingent
Design of the communications protocol is contingent
on the Twain data source...
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Tài liệu Design of Sheet Pile Walls doc
Ngày tải lên :
13/12/2013, 11:15
... depth of penetration of the
piling or by a combination of penetration and anchor
position for an anchored wall. Because of the complex-
ity of behavior of the wall/soil system, a number of
simplifying ... load
4-5
CECW-ED
Engineer Manual
1110-2-2504
Department of the Army
U.S. Army Corps of Engineers
Washington, DC 20314-1000
EM 1110-2-2504
31 March 1994
Engineering and Design
DESIGN OF SHEET PILE WALLS
Distribution ... before design of the
system can commence.
(1) Elevation at the top of the sheet piling.
(2) The ground surface profile extending to a mini-
mum distance of 10 times the exposed height of the
wall...
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Tài liệu Design Of Fuzzy Controllers doc
Ngày tải lên :
23/12/2013, 02:17
... terms are the same as before. Now the
20
Design Of Fuzzy Controllers
Jan Jantzen jj@iau.dtu.dk:
1
$EVWUDFW
Design of a fuzzy controller requires more design decisions than usual, for example
regarding ... universe by
means of parameters. A discrete membership function is defined in terms of a vector with
a finite number of elements. In the latter case it is necessary to specify the range of the
universe ... sometimes also called IXOILOPHQW of the rule or
ILULQJ VWUHQJWK.
$FWLYDWLRQ The DFWLYDWLRQ of a rule is the deduction of the conclusion, possibly reduced
by its firing strength. Thickened lines...
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Tài liệu The Design of Rolling Bearing Mountings P2 ppt
Ngày tải lên :
25/12/2013, 05:17
... tolerances
The inner rings of both bearings are subjected to cir-
cumferential loads and are fitted with a tolerance of
js5.The bearing seats for the outer rings are machined
to G6. The spring preload ... bearing:
radial – maximum cutting load of 0.9 kN,
axial – shaft weight and spring preload of 0.2 kN.
Maximum load on the drive end bearing:
radial – maximum belt pull of 0.4 kN,
axial – spring ... bearings (FAG rolling
bearing grease Arcanol L74V). The bearings are
lubricated for life during mounting and therefore no
relubrication is required.
The high-speed bearings require the use of...
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