National Instruments 5441 用户手册

Figure 4.  10 MHz Single-Tone Spectrum, Direct Path, 100 MS/s, DAC Interpolation Factor Set to 4

The noise floor in Figure 4 is limited by the measurement device. Refer to the 

 specifications.

0.0

25.0M

50.0M

75.0M

100.0M

125.0M

158.0M

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