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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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ween 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) region
Applied voltage causes momentary breakdown once per cycle
This starts a pul..................[:=> Show Contents <=:]



Good Seminars


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 10:22:48 AM
Last Edited Or Replied at :Saturday 20th of September 2008 10:22:48 AM
Seminars , Good,
time to make that clear.
Try to provide a perspective (a puzzle, an empirical regularity, an historical example, a casual observation, a curious gap in the literature, etc.) that you can use as a hook to get your audience's attention.

Give an outline of the presentation.It's not necessary to read from the slide each of the steps of your talk (e.g., literature review, model, data, results, conclusion)--most of those present in the audience can read very well without your help. However, if you want to emphasize a particular part of your talk (e.g.. I really want to get to the results so..................[:=> Show Contents <=:]



How to take seminars effectively


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 10:17:19 AM
Last Edited Or Replied at :Wednesday 29th of July 2015 04:07:09 AM
effectively, seminars , take,
) from the seminars* (don't leave the audience wondering why they sat through the seminars)

Clarity

1) Speak clearly and 'speak up' - project your voice without shouting at your audience
2) State the objectives, hypotheses and rationale of study right at the start of the talk
3) Be certain to relate the seminars to the larger context (Can we predict something better because this study was conducted? Do have better knowledge of a basic pattern in nature?)
4) Your seminars should be understandable to a general audience (remember: you have read paper or done the research - the audien..................[:=> Show Contents <=:]



How to face a seminar


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 10:15:31 AM
Last Edited Or Replied at :Tuesday 07th of April 2015 12:16:57 AM
seminar, face , how 2 face saminar, emergitics technology ece seminar topics , how to face seminar on stage, steps to face seminar , how to face seminor, how to face seminars , how to face seminar for first time, how to face seminar , presentation on how to face a seminar, how to nface a seminor ,
heading. Say what you want to say and move on. If you forget something, that's okay; the audience will never know unless you tell them.
Practice creating just a few meaningful headings to use and practice using only these headings as..................[:=> Show Contents <=:]



CV TIPS GUIDELINES


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 10:13:18 AM
Last Edited Or Replied at :Friday 24th of August 2012 06:40:25 AM
GUIDELINES, TIPS ,
are a few suggested guidelines:





Page 1
The summary page should make an immediate impact on the recruiter, it comprises of the following:


A descriptive profile:
A descriptive profile of your professional status (e.g. Credit Manager, backed up by key features of your professional career and also including your immediate ambitions.)
This is punchy, precise and no longer than a few sentences.


Key skills:
Listed as bullet points. Eight points is usually enough and they are relevant to the particular position and concisely written. This includes your formal training ..................[:=> Show Contents <=:]



10 tips to take a seminar


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 10:11:25 AM
Last Edited Or Replied at :Wednesday 29th of July 2015 04:03:52 AM
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plan to tell them What's In It For Me?
9) Have I polished and prepared the language and words I will use?
10) Have I taken care of the little details that will help me speak more confidently?..................[:=> Show Contents <=:]



At the seminar


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 10:10:09 AM
Last Edited Or Replied at :Friday 25th of March 2011 01:12:46 AM
seminar,
tent of the presentation.
4) If the original speaker planned to use slides, quickly skim each slide and write down the key points.
5) Do not concern yourself with the exact words on the slide.
6) If the slides are properly prepared, each will have only a few key phrases --your talking points for each section of the presentation.
7) In the event you don't have a co-worker's handouts or slides, quickly develop an outline or mind map and do the following:--

a) List your main points and write down a few key words about each
b) Speak spontaneously and confidently from your heart.
c) Trust..................[:=> Show Contents <=:]



Important


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 10:09:08 AM
Last Edited Or Replied at :Tuesday 04th of August 2015 08:58:41 AM
Important, mail goldrule com loc es , contact goldrule com loc es, ethical hacking ,
Hey
If you Ask doubts about the topics just reply be..................[:=> Show Contents <=:]



INTERVIEW TIPS


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 10:07:54 AM
Last Edited Or Replied at :Tuesday 09th of November 2010 08:35:36 AM
TIPS, INTERVIEW ,
lf aware of issues in the news about the company concerned. Prepare some good answers to the questions your interviewers might ask you. Try to anticipate the general questions which will be asked and prepare some questions to ask the interviewer. Remember to find out whether this company can offer you the career you are looking for. To do well at the interview you will need to convince your interviewer that you are technically qualified to do the job and you will also need to show that you are sufficiently motivated to get the job done, and that you will fit well within the company's organizat..................[:=> Show Contents <=:]



Experimental Theoretical Characterization of CNTs


Posted by: seminar class
Created at: Monday 14th of February 2011 10:29:27 PM
Last Edited Or Replied at :Monday 14th of February 2011 10:29:27 PM
charecterization of cnt ppt, cnt i v characteristics , cntfet technical seminar decomentation, plasma physics , cnt characterization, characterization of cnts ,
tic fields
 Also called as ionized gas.
Plasma ..a good thought..
• High temperature process: ceramic nanoparticles can be synthesized.
• Plasma promotes high rates of chemical reaction.
• Yields high purity products.
• High vacuum condition not needed.
• Low synthesis time scales as compared to chemical methods.
Experimental Characterization using SEM
Sample for SEM
Results from analysis
• Theoretical Characterization
I-V Characteristics of CNT
• Virtual nanolab is used for Characterization.
• Simulations run on it b..................[:=> Show Contents <=:]



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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ft region and is called an IMPATT diode.
The device consists essentially of two regions:
1) the n+p region, at which avalanche multiplication occurs, and
2) the i (essentially intrinsic) region, through which generated holes must drift in moving to p+ contact.


Principle of operation


IMPATT diode
IMPATT I-V Characteristics
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 si..................[:=> Show Contents <=:]



PRACTICAL TRAINING At Z-LED Light full report


Posted by: project topics
Created at: Saturday 24th of April 2010 10:22:35 AM
Last Edited Or Replied at :Saturday 24th of April 2010 10:22:35 AM
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v created one of the first LED.
1955-Braunstein observed infrared emission generated by simple diode structures using gallium antimonide (GaSb), GaAs, indium phosphide (InP), and silicon-germanium (SiGe) alloys at room temperature and at 77 kelvin.
1962 -The first practical visible-spectrum (red) LED was developed inby Nick Holonyak Jr., while working at General Electric Company.
1968-Hewlett Packard (HP) introduced LEDs, initially using GaAsP supplied by Monsanto.
1972- Holonyak is seen as the father of the light-emitting diode.George Craford, a former graduate student of Holonyak, inve..................[:=> Show Contents <=:]



Integrated gate commutated thyristor IGCT Seminar REPORT


Posted by: electronics seminars
Created at: Thursday 31st of December 2009 08:04:04 AM
Last Edited Or Replied at :Thursday 31st of December 2009 08:04:04 AM
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-FREQUENCY OPERATION FOR CONTINOUS AND DYNAMIC CONDITION
One of the impressive capabilities of the IGCT is its ability to handle high frequency turn-on / turn-off pulse bursts, whereas traditional GTO thyristors require a fairly long time between two consecutive turn-off operations. During turn-off current redistribution across the GTO and current crowding lead to a non-uniform temperature distribution (which additionally provokes non-uniform turn-on).This situation can rapidly create hot spots and cause thermal runaway. Thus, the minimum time between consecutive GTO switching operations is ..................[:=> Show Contents <=:]



IGCT


Posted by: sonu
Created at: Sunday 18th of October 2009 08:57:16 AM
Last Edited Or Replied at :Tuesday 20th of October 2009 04:40:54 AM
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i wanna noe more abt integrated gate commuta..................[:=> Show Contents <=:]



IGCT


Posted by: computer science crazy
Created at: Tuesday 07th of April 2009 01:33:26 PM
Last Edited Or Replied at :Monday 27th of July 2009 01:55:53 AM
igct price , igct manufacturers, igct operation , innovation igct main drives, igct manufacturer , igct i v characteristic, igct igbt , igct basics, igct datasheet , igct fuse, igct applications , igct abb, igct app , igct drive, IGCT , what is igct, ece seminar topics on igct ,

The IGCT (Integrated GCT) is the combination of the GCT device and a low inductance gate unit. This technology extends transistor switching performance to well above the MW range, with 4.5kV devices capable of turning off 4kA, and 6kV devices capable of turning off 3kA without snubbers. The IGCT represents the optimum combination of low loss thyristor technology and snubberles gate effective turn off for demanding medium and high voltage power electronics applications.

The thick line shows the variation of the anode voltage during turn-off. The lighter shows the variation of the anode curr..................[:=> Show Contents <=:]



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