National Instruments 5761R - Page 18

NI 5761R User Guide and Specifications 18 ni.com
Figure 13. DC-Coupled Spectral Measurements: 19.5 MHz and 20.5 MHz,
–13 dBFS, 8,192 Point FFT, 10 RMS Average
Figure 14. DC-Coupled Spectral Measurements: 20.1 MHz, –1 dBFS, 8,192 Point FFT, 10 RMS Average
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
25 50 75 100 125
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
10 20 30 40 50 60 70 80 90 100 110 120