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ADC Dynamic Range

This page covers ADC Dynamic Range with equation.

Dynamic range is the nominal input power range over which radio receiver function efficiently. In other words it is the range in decibels from the sensitivity level of receiver to the input level by which maximum output is obtained.

Difference between sensitity level and 1dB input compression point is also referred as dynamic range of the receiver. For ADC this figure is described below with the equation.

ADC Dynamic range = 20 * Log (2n - 1)
Where n is the no. of bits used to represent Analog signal.

Dynamic range is the ratio of the largest to the smallest possible signals that can be resolved by ADC.

Maximum S/N = 20 Log ( 2n- 1 * SQRT(6))
Or S/N = 6.02n + 1.76 dB

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