What is meant by pre-emphasis and de-emphasis?

2 Answers  

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why we used -48 dc volt for telecom equipments ?

2 Answers  

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why rx level is negative in telecom?

2 Answers  

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what happens when a capacitor is connected in i)series ii)parallel to the circuit

2 Answers  

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which is the best college to study engineering? why and list any 10?

2 Answers   TCS,

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i want tech mahindra recent placement paper conducted for campus recruitment in bangalore

1 Answers   MAHINDRA,

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Which type of power plant is more easier to produce electrical power at economical condition?

0 Answers   HAL,

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What are the main components used for isolating the power circuits, power semiconductor from the low-power circuit?

0 Answers  

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i want to know some description about SIM architecture... what is inside the SIM?

0 Answers   TCS,

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Distinguish between Angle modulation and Amplitude modulation.

9 Answers  

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What is fm transceiver.

0 Answers  

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What are the charge carriers in p-type and n-type semiconductors?

0 Answers  

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