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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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he 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,
2. Parametric up converter,
3. Parametric down converter,
4. Negative resistance parametric amplifier.
Summary
IMPATT stands for Impact Avalanche And Transit Time
Operates in reverse-breakdown (avalanche) re..................[:=> 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,
oubleshooting and traffic analysis. It will cover both installation and use of packet capture software and the fundamentals of basic network traffic analysis, including identifying communication issues, monitoring network performance, verifying network security and tracking communication transacti..................[:=> 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,
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29
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32
Y. Sun, J. E. Riggs, K. B. Henbest, and R. B. Martin, J. Nonlinear Opt.
Phys. Mater. 9, 481 2000 .
33
F. M. Quereshi, S. J. Marti..................[:=> 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 ,
aj,
355
Appl. Phys. Lett. 88, 1 (2006).
356
12. R.S.Ajimsha,K.A. Vanaja,M.K.Jayaraj,P.Misra,V.K.Dixit,
357
and L.M. Kukreja, Thin Solid Films 515, 7352 (2007).
358
13. B. Lin, Z. Fu, and Y. Jia, Appl. Phys. Lett. 79, 943 (2001).
359
14. F.S. Hickernell, J. Appl. Phys. 44, 1061 (1973).
360
15. G.H. Lee, Y. Yamamoto, M. Kourogi, and M. Ohtsu, Thin
361
Solid Films 386, 117 (2001).
362
16. A.S. Riad, S.A. Mahmoud, and A.A. Ibrahim, Physica B 296,
363
319 (2001).
364
17. S.H. Lim, J. Washburn, Z.L. Weber, and D. Shindo, J. Vacc.
365
Sci. Technol. A 19, 2601 (2001).
366
18. X..................[:=> 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,
tch :
18-12-2007
Pages : 6
h LE
h TYPESET
Article No.: 365
h CP
h DISK
4
4
Author ProofPage 2

UNCORRECTE
D
PROOF
72
73
EXPERIMENTAL
74
The pulsed laser deposition (PLD) of the ZnO
75
films was carried out in a growth chamber, which
76
was first evacuated to a base pressure of 10
-6
mbar.
77
A polycrystalline, stoichiometric, sintered (for 5 h at
78
1200°C) pellet of ZnO with a purity of 99.999% was
79
used as the target for PLD. The third harmonics
80
(355 nm) of a Q-switched Nd:YAG laser with a
81
repetition rate of 10 Hz, pulse width of 9 ns, and
..................[:=> 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,
ive enough to rectify the problems in the handling and disposal of wasters. This could be done by properly studying the hospital, its waste generation characteristics etc. A properly designed system should have along with appropriate methods of collection, transportation and disposal of wastes, awareness creation programmes for its staff and an organizational structure of the waste management committees and/or teams. The system designed for the two hospitals, namely the Sree Avittom Tirunal Hospital and Medical College Hospital has been done through proper study and so has almost all the compo..................[:=> 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 ,
well as in lighting control. They have been largely superseded by semiconductor based solid-state switches, though recently there has been some regained interest in using mag amps in compact and reliable switching power supplies. PC ATX power supplies often use mag amps for secondary side voltage regulation.

Magnetic amplifiers are still used in some arc welders.

Magnetic amplifier transformer cores designed specifically for switch mode power supplies are currently manufactured by several large electromagnetics companies, including Metglas and Mag-Inc.

Magnetic amplifiers can be used..................[:=> 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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generation
c)High noise rejection
d)Robust transmission signals
e) Ability to be integrated into system level ICs

LVDS technology allows products to address high data rates ranging from 100's of Mbps to greater than 2 Gbps. For all of the above reasons, it has been deployed across 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 sy..................[:=> Show Contents <=:]



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