how to determine AC frequency through hardware ?

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What is the conductivity of perfect dielectric?

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I am electronics and communication engineer.i have applied for jr.executive at airport authority of india..plz recommend me any book on AAI and plz forward me last year question paper and interview question..i"ll be highly obliged...my email id is divya1220@gmail.com.

0 Answers   AAI Airports Authority Of India,

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How to convert a jk flip flop into sr flip flop and vice versa, a sr flip flop into d or t flip flop and vice versa?

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what do u want to be in 5 years and how r u planning for that?

5 Answers   Wipro,

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What is monolithic ic?

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what are different type of routing protocols

3 Answers   3i Infotech,

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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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Consider sinc(x):where sinc(x)=sin (xpi)/xpi. and sinc(x) have max value i.e. unity at x=0 .now if x=0.then pix =0 and sin (pix)=0 at x=0. then above expression sin (xpi)/xpi.should be of 0/0 form i.e. in-determined form. then how sinc(x) is one at x=0. pi is constant.

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Are you familiar in Basic console / mixer programming of DBX system

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What about the year gap criteria for HCL technology?

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What is the mechanism by which conduction takes place inside the semiconductor?

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