Answer / mostafa kamal

A way of encoding data in a communications channel that
adds redundancy bits into the transmission path to obtain
lower error rate. Such methods are widely used in wireless
communications. See convolutional code and Viterbi decoder.

how u will measure the polarisation of antenna?

1 Answers   Bosch, Eric,

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sir, i have completed engineering diploma in electronics and now got the call letter for written exam for the post "junior engineer" from rrb chennai. could you help me about the model and type of questions that i should prepair?

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Explain we take the area of collector wide comparison to base and emitter. Why?

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Differentiate between static and dynamic resistance of a diode.

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Define what do you mean by drift velocity and mobility of a free electron?

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How to program micro controller?

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Explain how to increase the gain and directivity of an antenna?

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what is the difference between electrical and electronic chokes

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what is the main function of transistor Basie?

4 Answers   Crompton Greaves,

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Differentiate between avalanche and zener breakdown.

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When an inductor tunes at 200 KHz with 624 pF capacitor and at 600 KHz with 60.4 pF capacitor then the self capacitance of the inductor would be a) 8.05 pF b) 10.05pF c.) 16.01pF d.) 20.01pF

3 Answers   BSNL, EFF, Satyam, Wipro,

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can you give me example of igbt drive circuit... i still not under stand how it can be design with certain equation using mathlab program...

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