how either analog or digital transmitted through fiber optic cables in the form light signal?

1 Answers  

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sir, I am taking jindal written test,which will be on 19th of this month.If any body have written test paper queatins,Plz send to this mail id.. bhaskarlxm@gmail.com

1 Answers   Jindal,

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If R1=R2, then B=0.5, the total time T of square wave in astable multivibrator using op-amp is A T=RC B T=2 RC ln 3 C T=2 RC ln 2 D T=2RC ln (1+ 0.5)

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Explain how the active power factor correction changes the wave shape of current drawn by a load to improve the power factor?

0 Answers  

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There are 4 segment registers in 8086 microprocessor.Each of the segment register is of 64kb.Then (4*64)=256kb.The total memory in 8086 is 1mb.What about the rest of the memory space?

3 Answers   BEL,

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What Is MAIO and HSN? Explain briefly the relation relation between MAIO and HSN.

1 Answers  

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how work lcd and plasma display what difference between them and what is basic principle of them

1 Answers  

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How many TRx use in one BSC.

15 Answers   Ericsson, Huawei,

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WHAT IS DIFFERENCE BETWEEN. WRITE: a+m(2). m = m + 1. + OF THESE TWO IN SAP ABAP

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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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how a DPAD converts voltage to current?

0 Answers   Dr Reddys,

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Explain how to convert a binary number into bcd number directly and vice-versa, without converting it into any other number system?

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