electronics devices and circuits by salivahanan ppt

... demands Power electronics is all about using electronic devices and circuits with storage ement to control the level of voltage and current, either in the form of AC or DC Powerelectronics circuits ... Trang 1Power Electronics: Devices and Circuits5.1 Introduction Power electronics is an enabling technology for all electrical and electronic apparatusrequiring electric ... Conversion by SwitchingThe characteristics of power conversion by power electronics converters are summarized 4 Power Electronics technologies are based on switching on and off the power source by power

Ngày tải lên: 31/07/2014, 14:20

... at the mouth and gas exchange were recorded breath-by-breath (Vmax 229, 84 Optoelectronics – Devices and Applications. .. coupling of upper and lower canine rib cage and its functional ... binary and ternary configuration of GaInNAs SPSL should also provide better compositional control since the 70 Optoelectronics – Devices and Applications SPSLs and Dilute-Nitride O ptoelectronic Devices ... interstitial and substitutional nitrogen in GaN x As 1x , Applied Physics Letters 80: 2314–2316. 72 Optoelectronics – Devices and Applications SPSLs and Dilute-Nitride O ptoelectronic Devices 23

Ngày tải lên: 19/06/2014, 11:20

... mm and f =30 GHz : (a) A, A, A media with z= = −z′ 1.4 mm and f =30 GHz: (a) A, A, A xx zy zz G G G normalized by µ0and GΦ normalized by 1ε0 ; (b) F, F, F xx zy zz G G G normalized by ε0 and ... focuses on developing accurate and efficient modeling and simulation methods to analyze high-speed interconnects and circuits and perform mixed electromagnetic and circuit simulation Specifically, ... manipulation by hands to integrated circuits of VLSI and ULSI with millions of transistors per chip Examples of modern advanced integrated circuits include microprocessor unit (MPU), dynamic random-access

Ngày tải lên: 16/09/2015, 15:55

... Laboratory Manual to accompany Electronic Devices and Circuit Theory Eleventh Edition Prepared by Franz J Monssen Trang 3EXPERIMENT 1: OSCILLOSCOPE AND FUNCTION GENERATOR OPERATIONS Part 1: ... combination of a 1 Meg resistance and a 30pf capacitor n measuring device which reduces loading of scope on a circuit and effectively increases input impedance of scope by a factor of 10 Part 2: The ... of the wave 2 count the number of cm's occupied by the wave 3 note the timebase setting 4 multiply timebase setting by number of cm's occupied by wave This is equal to the period of the wave

Ngày tải lên: 28/08/2021, 13:51

... IMPATT diodes are designed and studied thoroughly by Mukherjee et al (2009 a) at three different window frequencies: 35 GHz (Ka-band), 140 GHz (D-band) and 220 GHz (Y-band) and the corresponding ... IMPATT diodes are designed and studied thoroughly by Mukherjee et al (2009 a) at three different window frequencies: 35 GHz (Ka-band), 140 GHz (D-band) and 220 GHz (Y-band) and the corresponding ... semiconductor SiC are 29.0 and 278 and those for GaN are 77.8 and 756 Hence, SiC and GaN are found to be superior to both conventional Si and GaAs for high-frequency and high-power operation Thus,

Ngày tải lên: 21/06/2014, 06:20

... the carrier and depends on the channel bandwidth. Recent standards like mobile WiMAX and LTE are very flexible and propose different channel bandwidths, number of carriers and coding and modulation ... the carrier and depends on the channel bandwidth. Recent standards like mobile WiMAX and LTE are very flexible and propose different channel bandwidths, number of carriers and coding and modulation ... WiMAX standards, the specified bands are between 100 and 200 MHz. Therefore, RF filters have wide pass-bands and the ratio between the bandwidth of the pass-band and the central frequency of

Ngày tải lên: 21/06/2014, 06:20

... Ultrawideband Bandpass Filter using Composite Right- and Left- HandednessLineMetamaterialUnit-Cell SungtekKahng X Ultrawideband Bandpass Filter using Composite Right- and Left-Handedness ... Technologies:SemiconductorDevices,CircuitsandSystems394 [7] H. Wang, L. Zhu and W. Menzel, “Ultra-Wideband Bandpass Filter with Hybrid Microstrip/CPW Structure,” IEEE Microwave And Wireless Components ... [...]... in Tables 7 and 8 and values of s1 and s2 are restricted by s1, s2 < 3, while values of c1 and c2 are restricted by c1, c2 < 30 Indexes 1 Advanced Microwave and Millimeter

Ngày tải lên: 21/06/2014, 06:20

... and 21 dB by the pertinent part of the CD for July 2007, for the attenuation between 21 dB and 3 dB by the pertinent part of the CD for August 2007 and for the attenuation smaller than 3 dB by ... and 21 dB by the pertinent part of the CD for July 2007, for the attenuation between 21 dB and 3 dB by the pertinent part of the CD for August 2007 and for the attenuation smaller than 3 dB by ... between 34 dB and 6 dB by the pertinent part of the CD for August 2007 and for attenuation smaller than 6 dB by the pertinent part of the CD for September 2007 The obtained monthly and yearly CDs

Ngày tải lên: 21/06/2014, 06:20

... source and load impedances 306 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems For X-band and above (up to W-band), tuner ... voltage and solving for   tP , we obtain AdvancedMicrowaveandMillimeterWave Technologies:SemiconductorDevices,CircuitsandSystems278                    t PPPtP ... 2006, Daigler 2008) and discharging (Papaioannou 2007c) processes by providing enough energy to trapped charges to be released and to dipoles to overcome potential barriers and randomize their orientation.

Ngày tải lên: 21/06/2014, 10:20

... scripts to make your system easier to handle, and a full overview of what to do and what you don't want to do in C to avoid problems like memory leaks, and how to allow easy scalability. Web ... groups in linux. * and they are all about Linux! Make sure you read the FAQ and rules of every newsgroup you want to post to 26 100 Linux Tips and Tricks Tip 23: Bytes per inodes ... starts a command, it runs with the permissions of that user What if you want to allow them to run some commands with root permissions? You can, and that's called suid You can set a command to be

Ngày tải lên: 21/12/2013, 04:18

... (int)$result ".\n"; 3 $result = $x and $y and $z; echo "$x and $y and $z yields " (int)$result ".\n"; 4 $result = ($x and $y and $z); echo "($x and $y and $z) yields " (int)$result ...  variables  are  intialized and. .. pow(3,2); // 1000 rand(start,finish) Generate  a  random   integer  between   start and  finish echo rand(1,10); // 5 echo rand(1,10); // 7 echo rand(1,10); // 10 round() ... performs the simple task of incrementing the value of its operand by 1, and the autodecrement operator decrements the value of its operand by 1. The operator has two forms: The first form prefixes

Ngày tải lên: 24/12/2013, 03:17

... strings and strings from arrays (see Table 8.3) Table 8.3 Arrays and Strings Function What  It  Does explode() Splits  up  a  string by  a  specified  delimiter and  creates  an... by  the ... elements, you can use either 0 and 1 to represent each key and value, or the keywords key and value to do the same thing Used with a looping construct,... The each and list Functions < ?php ...  delimiter and  creates  an... by  the  as  keyword and  a  variable   to  represent  the  key,  called  $key,  followed by  the  =>  operator, and  a  variable  to   represent  the  value,  called

Ngày tải lên: 21/01/2014, 09:20

... down and copy the letters—as well as the pic-tures on them Trang 5Part 1 ➤ Drawing and Seeing, Seeing and Drawing34 Warm-Up for the Eyes and Hand Just as you may have practiced your penmanship by ... texture, shape, and proportion inyour hand, and try to put it into your drawing Keep working until you have drawn all the lines and shapes in the palm of your hand That it won’t look like a hand doesn’t ... your hand at practicing the exercises you’ve learned in this chapter Trang 15Part 1 ➤ Drawing and Seeing, Seeing and Drawing44 The Least You Need to Know ➤ A warm-up for your eyes and hand is

Ngày tải lên: 21/01/2014, 23:20

... you’re out and about,take care to shield your work bycarrying it in a portfolio andprotect it by placing a sheet ofpaper under your hand as you go so you don’t smudge it Try Your Hand Shadows ... your garden—and beyond—are limited only by your imagination So getout there and see what you can see and draw Get off your chair and draw it! Begin to see how to ate an environment and a mood, ... over again Drawing vegetables, vines,and stalks is a great practice in discovering a variety of shapes and forms and how theyemerge and evolve across the season—and the pages of your sketchbook!

Ngày tải lên: 26/01/2014, 18:20

... Investments and Divestments by Private Equity and Venture Capital Firms in Europe 9 May, 2012 Trang 2Acknowledgements and Disclaimer Acknowledgements We are very grateful for the generous support by ... (Estonia), EVCA (Europe), FVCA (Finland), HVCA (Hungary), IVCA (Ireland), LTVCA (Lithuania), NVCA (Norway), NVP (the Netherlands), PPEA (Poland), SECA (Switzerland), SEEPEA (South Eastern Europe), ... sciences, Computer & consumer electronics and Communications) and a more homogeneous distribution for Buyout & Growth • In 2011 overall fundraising increased by 80% to 40 bn EUR compared

Ngày tải lên: 19/02/2014, 09:20

... removed and cells were detached with 0.1% trypsin plus 0.02% EDTA in NaCl/Pi, pH 7.3, and pelleted by centrifugation at 1000 g for 5 min The pellet was washed with NaCl/Pi, centrifuged as above and ... Hercules, CA, USA) and immunoreac-tive proteins were detected by ECL as described by the supplier (Amersham Pharmacia Biotech, Buckinghamshire, UK) The intensities of autoradiographic bands were measured ... Trang 350 lgÆmL)1leupeptin, and 10 lMpepstatin) After 15 minon ice, insoluble material was removed by sedimentation for 20 min at 100 000 g, and ERK1/2 was recovered by immunoprecipitation with

Ngày tải lên: 21/02/2014, 01:21

... require, by rule, each NRSRO to establish, maintain, and enforce policies and procedures that clearly define and disclose the meaning of any symbol used by the NRSRO to denote a credit rating and ... correspondence between credit ratings and a range of default probabilities and loss expectations under standardized conditions of economic stress; and • standardizing credit rating terminology ... about the feasibility and desirability of standardization and, in particular, most did not feel that standardization would lead to higher levels of accountability, transparency, and competition in

Ngày tải lên: 06/03/2014, 08:20

... lysophospholipids and fatty acids, was confirmed by standard TLC and electrospray ionization mass spectroscopy. Ammodytin I 2 alone did not affect ostreolysin-induced hemolysis, and was not hemolytic by itself, ... we observed a strong and specific inhibition by a series of lysophospholipids, in particular lysophophatidylinositol and sphingosine-1-phosphate, and, to a lesser degree, by nonesterified fatty ... tetra- zolium bromide (MTT), and calcein were obtained from Sigma, and fetal bovine serum was from Euroclone (Wetnerby, UK). Hemolytic activity Hemolytic activity was measured by a turbidimetric method as...

Ngày tải lên: 23/03/2014, 21:20

... time and energy, most of them are not in a position to do so, and much is left to chance. We will be glad if this book helps to change this situation by alleviating pre-examination nerves and by stripping ... algebra and geometry, numbers and sets, analysis, probability, differential equations, vector calculus, and dynamics. All questions on a given course were put in a single paper, except for algebra and ... cells with two balls in them and n −4 with a single ball, or there is one cell with three balls and n −3 with a single ball. Denote probabilities in question by p n and p n , respectively. Then...

Ngày tải lên: 28/03/2014, 10:20