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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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re.
2. Double drift region (DDR) – A DDR diode has a p+pnn+ structure that consist of two drift layers, one for electrons and other for holes on either side of the central avalanche zone.
3. Double avalanche region (DAR) – The DAR diode has a p+nipn+ structure that consist of one drift zone sandwiched between two avalanche zones. The electrons and holes from the two junctions travel across the central i-region in opposite directions and deliver power.
Applications
These diodes make excellent microwave generators for many applications like:-
1. Parametric amplifier,
..................[:=> 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, computer engineering network traffic analysis project ,
ended to help new or beginning network administrators learn how to use packet capture software for basic network troubleshooting and traffic analysis. It will cover both installation ..................[:=> 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,
ectra Physics LAB-
1760, 532 nm, 7 ns, 10 Hz is used as the light source, and
the wavelength dependences of the samples are studied by
using a tunable laser Quanta Ray MOPO, 5 ns, 10 Hz . The
sample is moved in the direction of light incidence near the
focal spot of the lens with a focal length of 200 mm. The
radius of the beam waist
0
is calculated to be 35.4
m. The
Rayleigh length z
0
= w
0
2
/ is estimated to be 7.4 mm, much
094914-2
Irimpan, Nampoori, and Radhakrishnan
J. Appl. Phys. 103, 094914 2008
Author complimentary copy. Redistribution subject to AIP license or cop..................[:=> 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 ,
hows the variation of the turn-on voltage with
oxygen pressure, P(O
2
).
Fig. 6. Current density“voltage (J“V) plot of ZnO/n-Si heterojunc-
tions on a logarithmic scale. The inset shows the current“voltage
(I“V) plot of the In/ZnO contact.
Fig. 7. (a) The band structure of the ZnO/p-Si heterojunction (grown
at 0.007 mbar oxygen pressure) under zero bias. (b) The variation of
DE
v
with oxygen pressure during PLD of ZnO films.
Ajimsha, Jayaraj, and Kukreja
Journal :
11664_JEM
Dispatch :
18-12-2007
Pages : 6
h LE
h TYPESET
Article No.: 365
h CP
h DISK..................[:=> 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,
ique, H. Murata,
338
G.P. Kuhsto, R. Schlaf, Z.H. Kafafi, and D.B. Chrisey, Appl.
339
Phys. Lett. 76, 259 (2000).
340
4. C.J. Lee, T.J. Lee, S.C. Lyu, Y. Zhang, H. Ruh, and H.J. Lee,
341
Appl. Phys. Lett. 81, 3648 (2002).
342
5. R.L. Hoffman, J.F. Wager, M.K. Jayaraj, and J. Tate,
343
J. Appl. Phys. 90, 5763 (2001).
344
6. H. Ohta, M. Orita, and M. Hirano, J. Appl. Phys. 89, 5720
345
(2001).
346
7. H. Sato, T. Minami, S. Takata, and T. Yamada, Thin Solid
347
Films 236, 27 (1993).
348
8. R.L. Hoffman, B.J. Norris, and J.F. Wager, Appl. Phys. Lett.
349
82, 733 (2003).
35..................[:=> 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,
on etc.). Usually the waste is disposed in the community bin along with domestic waste creating environmental pollution. Incineration and land filling are the most widely used technique 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 e..................[:=> 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 ,
agnetic field kind of amplifier and is of Class H type.

Visually a mag amp device may resemble a transformer but the operating principle is quite different from a transformer - essentially the mag amp is a saturable reactor. It makes use of magnetic saturation of the core, a non-linear property of a certain class of transformer cores. For controlled saturation characteristics the magnetic amplifier employs core materials that have been designed to have a specific B-H curve shape that is highly rectangular, in contrast to the slowly tapering B-H curve of softly saturating core materials tha..................[:=> 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
LVDS , Signaling, Differential , Low Voltage, low voltage differential signalling , low voltage signaling, low voltage differential signaling seminar , low voltage differential signaling, lvds seminars and ppts , poster presentation on low voltage differential signaling, low voltege differential signaling , lvds rs422 single ended interface scheme, low votage differential signalling seminar report , lvds sminar report, seminar report low voltage differential signaling pdf , seminar report on low voltage differential signalling pdf file, low voltage differential signaling seminar pdf , lvds abstract and report doc, tia eia 899 electrical characteristics of multipoint low voltage differential signaling ,
ice 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 extremely high-performance solution that consumes a minimum of power, generates little noise, (must meet increasingly stringent FCC/CISPR EMI..................[:=> Show Contents <=:]



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