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National Instruments Corporation
15
NI 5761R User Guide and Specifications
Figure 9.
AC-Coupled
Spectral Measurements: 19.5 MHz and 20.5 MHz,
–13 dBFS, 8,192 Point FFT, 10 RMS Average
Figure 10.
AC-Coupled Spectral Measurements: 20.1 MHz, –1 dBFS, 8,192 Point FFT, 10 RMS Average
20
0
–115
–110
–105
–100
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
–45
–40
–35
–30
–25
–20
–15
–10
–5
0
Amplitude (dBFS)
Frequency (MHz)
40
60
80
100
120
10
0
–115
–110
–105
–100
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
–45
–40
–35
–30
–25
–20
0
Amplitude (dBFS)
Frequency (MHz)
–15
–10
–5
20
30
40
50
60
70
90
100
110
120
80