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'''Signal-to-noise and distortion ratio''' ('''SINADR'''<ref>{{cite journal | url=http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=1273722&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F22%2F28503%2F01273722.pdf%3Farnumber%3D1273722 | title=Evaluation of signal-to-noise and distortion ratio degradation in nonlinear systems | author=Lavrador, Pedro Miguel Telecommun. Inst., Univ. of Aveiro, Portugal de Carvalho, N.B.; Pedro, Jose Carlos | journal=IEEE Microwave Theory and Techniques Society |date=March 2004 | volume=52 | issue=3 | pages=813 - 822 | doi=10.1109/TMTT.2004.823543 | ISSN=0018-9480}}</ref>) is a measurement of the purity of a signal. SINADR is typically used in data converter specifications. SINADR is defined as:
:<math>
\mathrm{SINADR} = \frac{P_\mathrm{signal}}{P_\mathrm{quantizationError} + P_\mathrm{randomNoise} + P_\mathrm{distortion}}
</math>
where <math>P</math> is the average power of the [[signal (electronics)|signal]], [[quantization error]], random [[noise (electronics)|noise]] and [[distortion]] components. SINADR is usually expressed in [[decibel|dB]]. SINADR is a standard metric for [[analog-to-digital converter]] and [[digital-to-analog converter]].

SINADR (in dB) is related to [[ENOB]] by the following equation:
:<math>
\mathrm{SINADR} = ENOB\cdot 6.02 + 1.76
</math>

==References==
{{Reflist}}

==See also==
*[[Signal-to-noise ratio]]
*[[ENOB]]

[[Category:Electronics]]
[[Category:Digital signal processing]]

{{electronics-stub}}

Waveguide filter - Revision history

en>Piledhigheranddeeper: /* Filters */ syntax