ENOB

NI High-Speed Digitizers Help (NI-SCOPE)

Edition Date: January 2017

Part Number: 370592AB-01

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NI-SCOPE (English | Japanese)

Effective number of bits (ENOB) is another way of specifying signal-to-noise and distortion ratio (SINAD). ENOB is calculated using the following formula.

where A is the input amplitude and V is the full scale range of the ADC.

The ENOB indicates that the ADC is equivalent to an ideal ADC of this number of bits.