Cirrus-logic CRD44600-PH-FB User Manual download pdf (Page 30)

CRD44600-PH-FB

30 MAR '05 DS633RD1

-140

+0

-130

-120

-110

-100

-90

-80

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-60

-50

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-30

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d

B

r

A

20 20k50 100 200 500 1k 2k 5k 10k

Hz

Figure 22. FFT at -1 dBFS and 1 kHz. Red = PSR Feedback Off. Blue = PSR Feedback On

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CRD44600-PH-FB 1

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