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User manual for MA120xxx reference boards
Measurement results
3.3
Output spectrum
The Figure 10 shows the output spectrum that has been obtained by applying 1 mVrms (1 kHz) input signal to
both channels. This gives an output signal of -40 dBV. The noise floor for these settings is shown in the Figure
10. The integrated, A-weighted noise floor number for both channels is 70 µVrms (AW).
40
20
-20
-40
-60
-80
-100
-120
-140
-160
Figure 10
Output FFT spectrum
Application Note
Ch0
Ch1
0
20
200
2000
Frequency (Hz)
16 of 28
20000
V 1.0
2019-04-28
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