National Instruments 5441 사용자 설명서
NI 5441 Specifications
14
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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
Value
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
section for more
information
about internal
clock sources.
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