What is working principle of profibus and how it transfer data?

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Why series inductor and l-section filters cannot be used with half-wave rectifiers?

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Define pair?

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what is the operation of logic gates when no input is applied

2 Answers  

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Hi.im IMRAN.Im pursuing my B.tech final yr.plzzz any 1 guide that vich course shud i take in telecom.either protocol development or protocol testing or hardware plzzzz tell me n hz this important in future n why shud i take.plzzzzz its my request u to send this answer.thnx bro i vil wait for u r answer.k.byeeeeeee

1 Answers  

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Explain the use of excitation table in digital electronics?

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temperature transmitter range o to 100c over range set value 21.6ma if you give source on the field transmitter showing iop out put also 21.6ma but dcs not showing iop samething if you simulat from hart 21.6ma in dcs showing iop how its possible?

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Why half-wave rectifiers are generally not used in dc power supply?

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What is the relation between α & β?

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What is the age of Ramprakash? i. Ramprakash was born when his father was 26 yrs old ii. Ramprakash's mothers age is 3yrs less than his father's

1 Answers   Cap Gemini,

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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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interrupt controller

0 Answers   GAIL, ONGC,

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