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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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teristics
Small Signal model
Some IMPATT Circuits
Classification
Device structure is based on the doping profile. The three basic types of Impatt diodes are:-
1. Single drift region (SDR) - The SDR diode consists of a single avalanche zone and a single drift zone with p+nn+ structure.
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 z..................[:=> 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,
nded 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 an..................[:=> 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,
recognized
as one of the most promising and rapidly emerging research
areas. Promising applications are expected or have already
been realized in many fields of technology such as optical
and electronic materials, solid electrolytes, coating technol-
ogy, sensorics, catalysis, and separation science. Significant
investigations have been done in the photophysical and pho-
tochemical behaviors of single and multicomponent metals
and semiconductor nanoclusters.
6
Such composite materials
are especially of interest in developing efficient light-energy
conversion systems, optical device..................[:=> 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 ,
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
4
4
Author ProofPage 5

UNCORRECTE
D
PROOF
263
respectively. The variation of DE
v
with oxygen
264
pressure during PLD of ZnO films is shown in
265
Fig. 7b. Both DE
v
and DE
c
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,
for the growth on the Si substrates.
96
For electrical measurements, indium metal contacts
97
were made on both p-type silicon surface and n-type
98
ZnO films, which were found to be ohmic in nature.
99
The room-temperature electrical measurements of
100
the ZnO thin films grown on the silica substrates
101
were carried out using the four-probe van der Pau
102
configuration in the Hall geometry.
103
RESULTS AND DISCUSSION
104
The thickness of the deposited ZnO films, mea-
105
sured using a stylus profiler (Dektak 6 M Stylus
106
profiler) was found to be about 250 nm. The ..................[:=> 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,
ages, 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 waste generation characteristics etc. A properly designed system should have along w..................[:=> 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 ,
ize=x-large]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 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..................[:=> 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 ,
rs through LAN, phone, and satellite systems to home set-top b..................[:=> Show Contents <=:]



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