NI 5441 Specifications 14 ni.com
Figure 6. Direct Path, 2-Tone Spectrum (Typical)
Note The noise floor in Figure 6 is limited by the measurement device. Refer to the
Average Noise Density specifications.
Sample Clock
Specification Valu e Comments
Sources 1. Internal, Divide-by-N (N 1)
2. Internal, DDS-based, High-Resolution
3. External, CLK IN (SMB front panel connector)
4. External, DDC CLK IN (DIGITAL DATA &
CONTROL front panel connector)
5. External, PXI Star trigger (backplane connector)
6. External, PXI_Trig<0..7> (backplane connector)
Refer to the
Onboard Clock
section for more
information
about internal
clock sources.
0.0 25.0M 50.0M 75.0M 100.0M 125.0M 150.0M 175.0M 200.0M
–90.0
–80.0
–50.0
–70.0
–40.0
–60.0
–30.0
–20.0
–10.0
0.0
10.0
Frequency (Hz)
dBm