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IMPATT Diode


Posted by: projectsofme
Created at: Tuesday 21st of December 2010 05:27:17 AM
Last Edited Or Replied at :Tuesday 21st of December 2010 05:27:17 AM
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illator and amplifier applications
They can be fabricated with Si, GaAs, and InP
Can be used up 400 GHz.
Noisy oscillator
In general, IMPATTs have 10 dB higher AM noise than that of Gunn diodes
IMPATT diode is not suitable for use as a local oscillator in a receiver.



..................[:=> Show Contents <=:]



Network Traffic Analysis


Posted by: mechanical engineering crazy
Created at: Wednesday 05th of August 2009 06:45:27 AM
Last Edited Or Replied at :Wednesday 05th of August 2009 06:45:27 AM
network traffic compression , network traffic congestion, what is network traffic engineering , nsasoft network traffic emulator, network traffic encryption , network traffic simulator, network traffic engineering , network traffic control software, network traffic controller , network traffic check, network traffic counter , network traffic calculator, network traffic classification , network traffic characteristics of data centers in the wild, network traffic capture , network traffic control, Network Traffic , Analysis, Traffic , Network,
ors learn how to use packet capture software for basic network troubleshooting and traffic analysis. It will cover both installation and use of packet capture software and the fundamentals of basic network traffic analysis, including..................[:=> Show Contents <=:]



Spectral and nonlinear optical characteristics of nanocomposites of ZnO


Posted by: super
Created at: Saturday 13th of June 2009 10:22:20 PM
Last Edited Or Replied at :Saturday 13th of June 2009 10:22:20 PM
ZnO,
dS colloids. The enhancement of the third-order non-
linearity can be attributed to the concentration of exciton
oscillator strength.
3
Since n
2
increases with absorption, ther-
mal nonlinearity is also taken into account. It is reported that
if the thermal contributions are to dominate, then, there will
be an increase in n
2
with increase in absorption.
28
The figure
of merit for the third-order nonlinearity measured by using z
scan technique shows an increase in the particle size of ZnO
as well as CdS.
25
We therefore attribute the steady increase
in the n
2
values to t..................[:=> Show Contents <=:]



Electrical Characteristics of n-ZnOp-Si Heterojunction Diodes


Posted by: seminar projects crazy
Created at: Saturday 13th of June 2009 03:37:49 PM
Last Edited Or Replied at :Saturday 13th of June 2009 03:37:49 PM
Diodes , Heterojunction, n ZnOp Si , Characteristics, Electrical , band structure of zno si heterostructure, heterojunction in zno p si pdf , band parameter of semiconducter used in heterostructure, diode bas sur zno si n heterojonction these , l heterojonction zno si pdf, zno si heterojunctions ,
.003 mbar to 0.007 mbar. Series resistance,
134
an inherent resistance of the depletion region in
135
N-ZnO/p-Si heterojunction of all the diodes grown at
136
different oxygen pressures was calculated from the
137
plot of log (I) versus V,
28
which is also shown in
138
Fig. 2a. As can be seen in this figure the series
139
resistance
increased
from
3.45 · 10
5
ohm
to
Fig. 1. XRD pattern of ZnO films deposited on (a) p-silicon (100) and
(b) silica substrates.
Fig. 2. (a) The series resistance and the variation of the optical band
gap with oxygen pressure and (b) a..................[:=> Show Contents <=:]



Electrical Characteristics of n-ZnOp-Si Heterojunction Diodes


Posted by: seminar projects crazy
Created at: Saturday 13th of June 2009 03:34:37 PM
Last Edited Or Replied at :Saturday 13th of June 2009 03:34:37 PM
Diodes , Heterojunction, n ZnOp Si , Characteristics, Electrical , impedance heterojunction,
t
136
different oxygen pressures was calculated from the
137
plot of log (I) versus V,
28
which is also shown in
138
Fig. 2a. As can be seen in this figure the series
139
resistance
increased
from
3.45 · 10
5
ohm
to
Fig. 1. XRD pattern of ZnO films deposited on (a) p-silicon (100) and
(b) silica substrates.
Fig. 2. (a) The series resistance and the variation of the optical band
gap with oxygen pressure and (b) a plot of resistivity and mobility
with oxygen pressure.
Ajimsha, Jayaraj, and Kukreja
Journal :
11664_JEM
Dispatch :
18-12-2007
Pages : 6
h LE
h TYP..................[:=> Show Contents <=:]



HOSPITAL WASTE MANAGEMENT


Posted by: seminar projects crazy
Created at: Friday 30th of January 2009 12:58:54 PM
Last Edited Or Replied at :Wednesday 23rd of February 2011 09:54:13 PM
MANAGEMENT, WASTE , HOSPITAL, hospital waste management ppt , hospital, biomedical waste management in hospitals ppt , biomedical waste management project topics, characteristics of a good waste disposal system of a hospital , hospital waste management in india ppt, hospital biomedical waste disposal and ppt , hospital wastw management ppt, metods disposal solid waste hospital ppt , hospital waste management project report, hospital waste management project pdf file , powerpoint presentation on hospital waste management system, powered by mybb medical hospitals , project report on waste management in hospital, topics on waste management ppt , research paper topics on waste disposal of hospital,
hnique for disposal hospital waste. Though these methods have several inherent advantages, indiscriminate and improper application of these methods may lead to considerable harm to the society. All these factors receives our immediate attention to the safe management of hospital waste. Irrespective of the type of hospital or its size, it is essential to have a proper waste management system which should be effective enough management system which should be effective enough to rectify the problems in the handling and disposal of wasters. This could be done by properly studying the hospital, its..................[:=> Show Contents <=:]



Magnetic Amplifiers


Posted by: seminar projects crazy
Created at: Monday 26th of January 2009 10:40:13 PM
Last Edited Or Replied at :Monday 26th of January 2009 10:40:13 PM
Amplifiers, Magnetic , magnetic amplifier doc, series and parallel connections magnetic amplifier , magnetic amplifier, magnetic amplifier characteristics , characteristics magnetic amplifier, characteristics of magnetic amplifier , some points for seminar on magnetic amplifier, seminar topic on magnetic amplifiers , current measurement magnetic amplifier, measuring current low currents transformer magnetic amplifier , magnetic amplifier seminar, seminar on magnetic amplifier , mag amp priciples, magamp post regulator , amplifying magnetic fields, andrew piaskowski magnetic amplifier ,
core will saturate. In saturation, the AC winding on the saturated core will go from a high impedance state (off) into a very low impedance state (on) - that is, the control current controls at which voltage the mag amp switches on.

A relatively small DC current on the control winding is able to control or switch large AC currents on the AC windings. This results in current amplification.

Applications

Magnetic amplifiers were used extensively as the switching element in early switched-mode (SMPS) power supplies, as well as in lighting control. They have b..................[:=> Show Contents <=:]



Low-Voltage Differential Signaling LVDS


Posted by: computer science crazy
Created at: Sunday 21st of September 2008 12:42:32 AM
Last Edited Or Replied at :Monday 04th of July 2011 12:17:18 PM
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many market segments wherever the need for speed and low power exists.

Consumers are demanding more realistic visual information in the office and in the home. This drives the need to move video, 3D graphics and photo-realistic image data from cameras to PCs and printers through LAN, phone, and satellite systems to home set-top boxes and digital VCRs. Solutions exist today to move this high-speed digital data both very short and very long distances, on printed circuit boards (PCB) and across fiber or satellite networks. Moving this data from board-to-board or box-to-box however, requires an..................[:=> Show Contents <=:]



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