Answer / aakash tiwari

pre emphasis circut is amplituid modulatin of the
base band singnal
and the thershould effect is called pre emphasis circut

Answer / satishreddy

this is a technic similar to modulation and de modulation
where u can use carrier to the original signal to make it
transmit here we use noise signal for transmitting the
signal with out any interuption

Answer / vinodh kumar

pre
emphasis:
it is nothing but just boosting up of the message
signal similar to the
noisesignal

de-emphasis :it is used to just oposite of pre
emphasis

Answer / balavenkataraju

They are two technic’s to transmit a signal without
distortion

Name the modulation techniques.

0 Answers  

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What is the main factor for controlling the thermal generation and recombination?

0 Answers  

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Why the singnal of wireless/Tv in db value? and why it is showing in minus(-)?

4 Answers   BSNL, Wipro,

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Define modulation.

0 Answers  

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Difference Between CDMA and GSM?

1 Answers   Alcatel,

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Tell me how many mosfet switches are there in dynamic ram?

0 Answers  

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What is the chemical composition of the substance used as feed horn? And how many types of feedor are there?

0 Answers   HCL,

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Instead of specifying SETUP and HOLD time, can we just specify a SETUP time for '1' and a SETUP time for '0'?

0 Answers  

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What is Front End Tool?

2 Answers   TCS,

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How can you convert an JK Flip-flop to a D Flip-flop?

13 Answers   Bhel, Chenega, Electronics, NTRO, RVS, TCS,

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if an IP host moves from one subnet to another it must change its IP address.why? Must the MAC address also change? why or why not?

1 Answers   HAL,

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What is meant by high impedance state in digital electronics?

2 Answers   Dynamic Engineering, Ericsson,

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