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how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...
1669anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS
1967What is D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? Explain an ideal voltage source? Explain zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain half-duplex and full-duplex communication? Which range of signals is used for terrestrial transmission? Why is there need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? Explain 3 dB cutoff frequency? Why is it 3 dB, not 1 dB? Explain ASCII, EBCDIC?
3 8897Why we need two angle of projections ( 1st angle and 3rd angle)? Cant we standardize to one.
2 16408explain any 4 search engines? explain any 3 web server? list out the diff e-commerce to perform the electronic data interchange transition?any 5 in detial
1633HI frds,,,am final yr IT student.. i secured 81% in x 55% in xii 87% in Btech upto last sem (no standing arrears..) i dt kw clearly abt MNC eligibility criteria.. i heard tat TCS hired 1y abv 60% 1y..so pls help me.. wic cmpnys r anouncd 55% may eligibl in 2011??? pls rly me clearly and sugst som of d compny names...
1 1722
friends....i have been searching the model paper for HPCL officer trainee for chemical eng....tat apptitude section...if u people got any information regarding tat...please send me to my mail...my id is: maruthu.flower@gmail.com...pls send me wtever information u knew....thank u....
Why are the coupling capacitors required?
Explain basic weaves with the help of illustration?
What are demand of crotonaldehyde99% in the worldand its international market ?
What is FTA card? How it works?
What is the use of ranging?
Hello Can any body tell me the list of interview answers asked UMTS Planning and optimazation as i have interview today. Pla mail me on satish_jd2000@yahoo.com its urgent. Thank you
Explain the working of a multiplexer.
What Is HO factor in power selection
In ics the substrate is not employed as collector. Explain why?
what to expect of your activities on the job?
Which of the following protection methods is NOT supported by FlexiHoppers with FIU19(E)?
what is sevice settings for mccb?How can be it setted?
What is meant by vector group
What are the raitings of Mcb,mccb and Acb in detail ??
