National Instruments NI-5761, User Manual And Specifications

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NI 5761R User Guide and Specifications 16 ni.com
Figure 11.
AC-Coupled Spectral Measurements: Terminated, 8,192 Point FFT, 10 RMS Average
DC-Coupled Specifications
Input range (normal operating conditions) ............1.23 V
pk-pk
Absolute maximum input.......................................±4.5 V DC
Bandwidth (–3 dB).................................................DC to 500 MHz
Bandwidth (–1 dB).................................................DC to 250 MHz
Table 6 lists the DC-coupled spectral performance measurements. All values are measured with a
250 MHz external Sample clock.
Channel to channel isolation
1 MHz ............................................................>90 dB
100.1 MHz .....................................................80 dB
501 MHz ........................................................70 dB
Table 6.
DC-Coupled Spectral Performance
Measurement 20.1 MHz 70.1 MHz 122.1 MHz
SNR 65.7 dB 64.3 dB 63 dB
SINAD 65.2 dB 61.8 dB 56.6 dB
SFDR 76 dB 65 dB 58 dB
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 40 60 100 120 80