Answer / ishant

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Answer / siva

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What are d uses of a diode . What is diode equation . And what is its use

2 Answers   Bosch, Infosys, Siemens,

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How the E1 speed is calculated as2.048mbps.write the full procedure.

2 Answers   Ericsson,

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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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What happens if we use limiter in AM receiver?

5 Answers  

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Name the two forms of boolean expression?

0 Answers  

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DNS uses UDP instead of TCP.if a DNS packet is lost,there is no automatic recovery.does this cause a problem and if so, how is it solved?

1 Answers  

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SIR I faced two exams for the junoior Engg. but i do not passed them so sir i requested sir u send me question papers for technicallly for elect& comm engg.

0 Answers   RRB,

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at the time of doing second year which course can we study..? and where we should study...?

0 Answers  

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Charging & discharging of capacitor.

1 Answers  

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what is the difference between electrical and electronic chokes

0 Answers  

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How many types of Transmission cards are in Flexi BTS?

1 Answers   NSN,

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What are the standards for the following :RS-23-C 802.3 X.25 802.11 ?

3 Answers  

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