Why making capacity of the circuit breaker is higher than breaking capacity?

0 Answers  

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why is the diffusion technique of formation of resistor most widely used?

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why -48 voltage is given to bts?

0 Answers   Ericsson,

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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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What is meant by bcd code?

0 Answers  

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what is selective flooding?

2 Answers   Syntel, TCS,

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how to prepare a cv?

0 Answers  

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the coefficient of coupling between two air core coils depends on ?

5 Answers  

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For 65hp motors how kvr capacitor should be on??

0 Answers  

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What are LAPD and LAPDm?

2 Answers   Qualcomm,

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19. Name different types of TRXs which supports different GSM bands 20. ODU LED shows orange – what is the significance?

0 Answers   NSN,

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hi i am electronics & telecomm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you. shahrukhkhalid911@gmail.com and shahrukh_khalid911@yahoo.co.in

0 Answers   AAI Airports Authority Of India, ATC,

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