Q. What type of filter is an antialiasing filter?

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Q. Which of the following is not used in antialiasing filters?

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Q. What is sampling at a rate higher than the Nyquist frequency called?

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Q. Which of the following is not a disadvantage of oversampling?

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Q. What is processing gain?

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Q. What is the process gain of a signal with bandwidth 20 MHz and a sampling frequency of 100 MHz?

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Q. Which of the following is true with respect to undersampling?

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Q. Which circuit is used to produce the IF for better selection and filtering?

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Q. According to the sampling theorem, what is the minimum sampling frequency to retain all the information if the bandwidth of the signal is 20 MHz?

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Q. Which of the following is not an advantage of undersampling?

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Q. Pick the odd one out?

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Q. Which of the following does not belong to the R-2R converter?

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Q. What is the resolution of a sting DAC if the reference voltage is 10 V and the number of input bits is 3?

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Q. What is the alias produced when a signal of 15 MHz is sampled at a rate of 28 MHz?

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Q. Settling time is the time taken to convert one binary data into analog.

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Q. What is the maximum operation frequency that can be used if the settling time is 100 ns?

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Q. During the sample mode the sample and hold circuit passes the analog signal unchanged.

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Q. Which of the following is the fastest type of ADC?

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Q. Find the resolution of an ADC which uses 14 bit numbers and have a voltage range of -6V to +6V?

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Q. What is the dynamic range of a 12 bit converter?

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