Q. What is the common mode rejection ratio of an operational amplifier which has common mode gain=0.6 and differential gain=1000?

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Q. Common mode rejection ratio is defined as (common mode gain)/(differential mode gain).

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Q. Which noise is also termed as multiplicative noise?

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Q. Who invented median filter?

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Q. Which filter should be used to remove speckle noise from an image?

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Q. Which filter should be used to remove salt and pepper noise from an image?

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Q. Mean filter is better than median filter.

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Q. Noise reduction technique is only applicable for audio and other time varying signals.

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Q. What is the full form of FPGA in terms of signal filtering and noise reduction technique?

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Q. Which type of signal facilitates easier noise removal?

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Q. What is the full form of IIR in terms of signal filtering and noise reduction technique?

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Q. Which is an example of Power line filter?

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Q. Who invented wiener filter?

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Q. Median filter removes the sharp edges from an image.

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Q. Low pass filters removes the sharpness of an image.

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Q. Which noise is caused by voltage spikes?

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Q. Which filter should be used to remove impulse noises?

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Q. Who invented wheatstone bridge?

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Q. Why wheatstone bridge is generally used in DC ciruit?

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Q. Who invented Wien bridge?

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