Measurement Examples; Thd+N Vs Input Level - Texas Instruments PCM1681 User Manual

Evaluation module
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3.2

Measurement Examples

Figure 3-2
illustrates THD+N performance according to a 1-kHz signal sweep of the digital input level.
Figure 3-3
through
under a range of conditions. FFT data numbers are 32-k points for all four FFT graphs.
SBAU137 – April 2008
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Figure 3-2. THD+N vs Input Level
Figure 3-6
show FFT results for full-scale performance and characteristic performance
Figure 3-3. FFT (0 dB)
Typical Performance and Measurement Examples
Measurement Examples
23

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