How to measure frequency without cro?

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why do we do the experiments regarding motors(swinburns, magnetization of dc shunt motor....) with constant speed

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In a binary data sequence, the duration of symbol 0 or 1 is 1ms. If a carrier of freq 4khz is used in ask, what is the minimum transmission bandwidth required? What is min bandwidth?

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Difference between electronic and electrical.

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Explain what are the applications of integrators?

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Silicon carbide reinforced aluminium metal matrix composites find application in

0 Answers   C DAC, CDAC,

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What is 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? Explain an ideal voltage source? Explain 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 half-duplex and full-duplex communication? Which range of signals is used for terrestrial transmission? Why is there 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? Explain 3 dB cutoff frequency? Why is it 3 dB, not 1 dB? Explain ASCII, EBCDIC?

3 Answers   DRDO, Electronics,

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what is the full form of cmos??

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if building "b" height casts a shadow "f ' feet long . the same day a tree "t" feet height will cast a shadow how many feet long ? a)ft/b b)fb/t c)b/ft d)tb/f e)t/fb

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what is operating ratio in railway

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wyh IC start with the number 74 like 7432,7400

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How do you calculate the amount of feedback given in a negative feedback amplifier ? Illustrate

3 Answers  

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