Digital Communication has so many advantages over Analog communication then why do we use Analog Communication

4 Answers  

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What is intrinsic semiconductor ?

0 Answers  

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Which was intel's first microprocessor

0 Answers  

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1) is external oscillator XTAL1 &XTAL2 connection must needed ? 2) shall we proceed without oscillator for simple logialoutput

0 Answers   Jayam Engineering Works,

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in which osi layer tcp works?

5 Answers   NSN,

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how to convert the plain text into cipher text

1 Answers  

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difference between neutral ground and phase

3 Answers  

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Hi...........i want to know the pattern for written test for the post of Jr.Executive(Electronics) in AAI(Airports Authority Of India).Kindly send me the same.My email id Is zeenaz.786@gmail.com.

0 Answers   AAI Airports Authority Of India,

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Which modulation is good for Radio Broadcasting. AM(Amplitude Modulation) or FM(Frequency Modulation)?

7 Answers   TCS, Vodafone,

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why length of antenna is taken as one half of wavelength or one fourth of wavelength? Why not one eighth or one sixteenth?

0 Answers  

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What do you mean by protection loop?

1 Answers   NSN,

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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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