rtl design techniques for low power
A low power high dynamic range broadband variable gain amplifier for an ultra wideband receiver
Ngày tải lên :
06/11/2012, 10:26
... limitation
In this VGA design, the output signal is fixed to be 1V
pp
with 2.5V power
supply, to meet the full scale of the ADC. Thus, the suitable VGA topology for this
design has to provide ... suitable for low power applications.
(3) Summary of analog-multiplier-based VGA
In summary, the multiplier-based VGA has good linearity and large gain tuning
range, but it is not power efficient ...
generated by the subtraction between g
mp1
and g
mp2
. And hence, it is not suitable for low-
power VGA design.
II.1.3 Differential pair with source degeneration
Another commonly used VGA...
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Performance of Modern Techniques for Rating Model Design
Ngày tải lên :
16/04/2013, 20:00
... be seen in the graph below which is executed on
the separable set.
Fig. No.4 Performance Versus Learning Rate
Performance of modern techniques for rating model design
3
1.
Introduction ... taken.
Performance of modern techniques for rating model design
16
6.1.1. BackPropagation Training with Gradient Descendent
This is perhaps the most straightforward way to design the ... Nasir Ahmed for their valuable advices
and also to my supervisor: Mr. Uwe Schmock, for helpful discussions and suggestions.
Performance of modern techniques for rating model design...
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Tài liệu M Kearney - Powerful Techniques For Options Trading Success(pdf) ppt
Ngày tải lên :
17/01/2014, 02:20
... Trading LEAPS
đ
vs. Trading Stock
ã LEAPS
đ
Advantages
Lower Investment
Lower risk
Potentially higher percentage profit
ã LEAPS
đ
Disadvantages
Lower absolute profit
Potentially larger percentage ... upside.
You do not want to pay for insurance!
Collar a stock position with LEAPS
đ
when initially acquiring shares
Understanding Stock
Options
Understanding Stock
Options
LEAPS
đ
for the
Experienced Trader
Marty ...
significantly?
Will you sell the LEAPS
đ
call at a loss?
Will you write another short-term call
with a lower strike price?
– Will you keep the LEAPS
đ
Call without
selling another short-term call against...
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o'reilly - mastering regular expressions powerful techniques for perl and other tools
Ngày tải lên :
31/03/2014, 16:59
... start-of-line, followed by F·r·o·m, followed by ':
'
or 2) start-of-line, followed by S·u·b·j·e·c·t, followed by ':
'
or 3) start-of-line, followed by D·a·t·e , followed by ':
'
... and more. This chapter puts information
detailed in Chapter 4 to use for exploiting an engine's strengths and stepping
around its weaknesses.
Tool-Specific Information
Once the lessons of ... to
Try
Meaning
?
none 1
one allowed; none required ("one optional")
*
none no limit
unlimited allowed; none required ("any amount optional")
+
1 no limit
one required; more allowed ("some...
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Advanced techniques in RF power amplifier design
Ngày tải lên :
18/04/2014, 11:11
... Advanced Techniques in RF Power Amplifier Design
1
Class AB Amplifiers
1.1 Introduction
The Class AB mode has been a focus for several generations of power ampli-
fier designers, and for good ... C.
Advanced techniques in RF power amplifier design. (Artech House
microwave library)
1. Power amplifiers Design 2. Amplifiers, Radio frequency
I. Title
621.38412
ISBN 1-58053-282-9
Cover design ... the Class B (zero bias) point, an increase of drive
6 Advanced Techniques in RF Power Amplifier Design
Input power (2 dB/div)
Output power
(2 dB/div)
P
lin
V
q
= 0.5 (Class A)
0.25
0.15
0.05
V
q
=...
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ultra low-power electronics and design
Ngày tải lên :
01/06/2014, 11:43
... to proposals on other levels in the design flow and to future work.
Keywords: Low- power design, dynamic power reduction, leakage power reduction, ultra-
low- V
th
devices, multi-V
dd
, multi-V
th
, ... search for optimization of power consumption.
For leading-edge products which need to optimize both power
consumption and system performance, optimization techniques on
architecture and design ... threshold voltages
for further power reduction. Especially for designs where minimization of
total power consumption is key (as compared to e.g. minimization of standby
power for mobile products),...
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Designing with Fireworks: Tips, Tricks and Techniques for Web-Centric Design
Ngày tải lên :
03/06/2014, 18:10
...
tracking
cramped
line-height
Tips, Tricks and Techniques for
Web-Centric Design
Chuck Mallott
DFWAUG'.'November'21,'2009
Designing with Fireworks
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Báo cáo hóa học: " Design of Uniformly Most Powerful Alphabets for HDF 2-Way Relaying Employing Non-Linear Frequency Modulations" ppt
Ngày tải lên :
20/06/2014, 22:20
... Access
Design of Uniformly Most Powerful Alphabets for
HDF 2-Way Relaying Employing Non-Linear
Frequency Modulations
Miroslav Hekrdla
*
and Jan Sykora
Abstract
Hierarchical-Decode-and-Forward ... always
lower or equal to one. The decoding processing (2)
remains the same for both cases; therefore, the switch-
ing has only theoretical value that we need to focus on
system performance only for ... absolute value is lower or equal to
one.
IV. Uniformly most powerful alphabet
Inspired by previo us sect ions, we define a class of alpha-
bets with hierarchical minimal distance of the form like in
(10)...
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Báo cáo hóa học: " Research Article A Subsample-Based Low-Power Image Compressor for Capsule Gastrointestinal Endoscopy" docx
Ngày tải lên :
21/06/2014, 07:20
... ultra -low-
power image compressor for capsule endoscope,” BioMedical
Engineering Online, vol. 5, article 14, 2006.
[15] X. Xie, G. Li, X. Chen, X. Li, and Z. Wang, “A low- power digital
IC design ... converting into one dimension for B component.
Raw image
R
G1
G2
B
Compression
image for G1
Compression
image for G2
Noncompression
image for B
Compression
image for R
Entropy
coding
Entropy
coding
Entropy
coding
4-by-4
zigzag
scan
4-by-4
zigzag
scan
8-by-8
zigzag
scan
Quantization
R-table
4-by-4
quantization
G-table
4-by-4
quantization
G-table
2D
8-by-8
DCT
2D
4-by-4
DCT
2D
4-by-4
DCT
2 ... pages
doi:10.1155/2011/257095
Research Ar ticle
A Subsample-Based Low- Power Image Compressor for
Capsule Gastrointestinal Endoscopy
Meng-Chun Lin
1
and Lan-Rong Dung
2
1
Department of IC Design, Avisonic Technology Corporation,...
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Báo cáo hóa học: " Research Article Optimal Channel Selection for Spectrum-Agile Low-Power Wireless Packet Switched Networks in Unlicensed Band" doc
Ngày tải lên :
21/06/2014, 22:20
... exact method makes it infeasible for
practical applications. Therefore, it is needed to derive
an approximate solution for the success probability giving
acceptable performance with minimal computational ... f
t
+1
. (11)
Following the above formulation, the history of trans-
mission outcomes for each channel can be written as x(t)
=
(i
t
, b
t
, s
t
, f
t
) which we call the informational state ... the trafficpattern
of interfering network in each channel.
For the reasons that will follow, we assume that the
duration of idle intervals, for channel i, is modeled as a
geometric random variable...
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Báo cáo hóa học: " Research Article Evaluation of Different Power Saving Techniques for MBMS Services" pptx
Ngày tải lên :
21/06/2014, 22:20
... several power saving techniques and analyze their performance in terms of power consumption.
We provide simulation results that reveal the amount of power that is saved and reinforce the need for ... distinctly for
each of the aforementioned techniques, are presented. More-
over, combinations of these techniques are examined in order
to reveal the additional power gain. Transmission power
levels ... their fixed power remain in relatively similar levels.
In Figure 15 the transmission power for FACH is set to 7.6
Watts and for HS-DSCH to 7 Watts. By allocating 7.6 Watts
of the Node B’s power to...
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Báo cáo hóa học: "Research Article Dual Wake-up Low Power Listening for Duty Cycled Wireless Sensor Networks" docx
Ngày tải lên :
21/06/2014, 23:20
... per node of LPL and DW-LPL for
varying sleep intervals, T
p
for LPL and T
b
for DW-LPL. In
Figure 8(a), T
p
= 100 ms is best for data generation interval
T
d
= 10 s. For T
d
= 30 s, the optimal ... analysis.
Symbol Meaning CC2420
P
l
Power in listening 56.4 mW
P
t
Power in transmitting 52.2 mW
P
r
Power in receiving 56.4 mW
P
a
Power in awaking 670 uW
P
s
Power in sleeping 3 uW
t
a
Time to ... sporadic traffic and describe adaptive schemes
for DW-LPL.
3.2. Low power listening for sporadic traffic
Many sensor applications periodically generate trafficfor
data collection. At every collection...
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Báo cáo hóa học: " Editorial Novel Techniques for Analysis and Design of Cross-Layer Optimized Wireless Sensor Networks" docx
Ngày tải lên :
22/06/2014, 19:20
... Networking
Volume 2007, Article ID 31647, 3 pages
doi:10.1155/2007/31647
Editorial
Novel Techniques for Analysis and Design of Cross-Layer
Optimized Wireless Sensor Networks
Mischa Dohler,
1
Taieb Znati,
2
Stavros ... are built for a specific
application in mind, and so al l layers must be cognizant of
the features of this application and coordinate in executing it.
Therefore, algorithms must be designed to ... termed
the A-policy. TDMA protocols are particularly well suited for
sensor networks, firstly because the topology changes slowly
due to low or no node mobility, and in addition with such
protocols...
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