Answer Posted / rehan

two types of modulations are used(1)amplitude
modulation(AM)for video(2)frequency modulation(FM) for audio.

In OC-n why n X 51.84 Mbps??? How 51.84 Mbps is come it is a limit of STS-1 or something else.???

2255

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How to measure frequency without cro?

1057

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What is the difference between circuit switching and packet switching?

1051

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What is an asic?

1155

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what is thermal tracking

2365

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Can a transistor be obtained by connecting tow semiconductor diodes back-to-back?

1361

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how to know what resistance is required to stabilse the ckt performance

2026

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Give some examples of power electronics applications in the day-to-day life?

1070

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What is diff b/w FIFA,FIPA,FIEA....?

3517

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What are the applications of op-amps?

1047

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What are the applications of dc chopper?

1140

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what is a voltage follower?

1027

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Explain the difference between fixed-bias circuit & self-bias circuit?

1522

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what is the difference between delegation and containership?

3784

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Explain what is a differential amplifier?

1060

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