What is a soft starter

1 Answers   OGPL, RBM,

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what is the necessity of phase locked loop in amplitude modulation systems ?

0 Answers   Cipla,

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What do u mean by CODEC?

6 Answers   TCS,

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what is d basic difference between a latch and a flip flop ?

5 Answers  

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What 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 Answers   DRDO, Electronics,

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why do we conduct the campus interviews?

4 Answers   Infosys,

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types of communication scheme in power plant ?

0 Answers   DVC,

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how to prepare a cv?

0 Answers  

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State the differences between fir and iir filters?

0 Answers  

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Tell me how to calculate knee point voltage? Describe its purpose for differential protection.

0 Answers  

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What are the advantages of freewheeling diode in rectifier circuit?

0 Answers  

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how do i write program like one shown 1234567654321 123456 654321 12345 54321 1234 4321 123 321 12 21 1 1

4 Answers   College School Exams Tests, DELL, HCL, NIIT, Punjabi University, Queen Mary College, TCS, Wipro,

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