Explain the primary advantage of multiplexing?

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what is the minimum and maximam trace width in PCB design? why trace is measured in mils? what is the use of via? why the crystal oscillator is placed near chip?

0 Answers   Wipro,

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What is meant by fermi level in semiconductor? Where does the fermi level lie in an intrinsic semiconductor?

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Hi and my regards to whomsoever who will help me. I am going to appear for Airport Authority of India Manager ( Electronics) written test on 9th Now 2008. I am totally unaware about this test. Please any one who have got any idea for its Paper style or have got any of related model papers then please please help me out. I will be thankful to all of you a lot.

0 Answers   AAI Airports Authority Of India,

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why three pick-up tubes are provided in a clour camera?

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how to calculate qty. of random rubble masonary in retaining wall?

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what is the basic difference between latches and flip flops

5 Answers   ABC,

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How many hours did the fuse tubelight glow after it connect it to the rectifier circuit?

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i am preparing for aai atc ? plz can u send me som emodel qus?

0 Answers   AAI Airports Authority Of India,

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What is meant by 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? What do you mean by an ideal voltage source? What do you mean by 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 briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the 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? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

0 Answers   MAHINDRA,

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interviewr asked about sampling theorem and i said the common def.(i.e ...sam freq must >=s max freq in the signal for a sampled signal to recover without alising).he asked that i have a sin signal of freq 1hz and i sampled at two zero amplitude points can it be recoverable without aliasing????

4 Answers   BARC,

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Explain About RRC states

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