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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Q. The process of using a pulse signal to represent information is called _______

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Q. Which of the following is false with respect to pulse modulation?

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Q. Which of the following is not a form of pulse modulation?

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Q. How many voltage levels are present in a PWM signal?

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Q. Power consumption is low in pulse modulation.

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Q. Which pulse modulation technique is least expensive?

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Q. Which of the following is false with respect to pulse position modulation?

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Q. Pulse modulation is not used in which of the following?

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Q. The process of signal compression and expansion used to reduce distortion and noise is called _____

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Q. What type of digital modulation is widely used for digital data transmission?

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Q. What is the output voltage if the input voltage of a compander with a maximum voltage range of 1 V and a μ of 255 is 0.25?

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Q. What is the output voltage if the input voltage of a compander with a maximum voltage range of 1 V and a μ of 255 is 0.8?

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