what is need of modulation & de-modulation in communication?

6 Answers  

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Explain the difference between silicon controlled switch (scs) and gate turn-off switch (gto)?

0 Answers  

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Derive intrinsic stand off ratio.

0 Answers  

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Which series of ICs are used for military applications?

2 Answers   BEL, NTPC,

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We have 6.6 KV, 250 KW HT Motor and i want to run this motor with 250 KW LT Variable frequency drive. Is this Possible? How? what are the major modification required?

0 Answers  

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how to know what resistance is required to stabilse the ckt performance

0 Answers  

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What do mean by mnemonics in microprocessors? Give few examples.

9 Answers   NTPC,

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idea uses the 1800mhz band with alloted 4.4mhz bandwidth. this band is divided into 22 channel(up link).how will operator divides these channel in to traffic channel and control channel. explain

0 Answers   Idea,

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What is an analogue circuit? Explain with an example.

0 Answers  

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describe the bandwidth delay problem?

1 Answers   Hathway,

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What is meant by duty-cycle?

0 Answers  

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why the pic micro controller have three timers

2 Answers   HCL,

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