National Instruments NI PXI-5621 用户手册

Figure 2.  Intermodulation Distortion

Intermodulation distortion
(2-tone, 0 dBm signals, 200 kHz separation)

4–15 MHz, dither enabled ...............<–86 dBm

0–32 MHz, dither disabled ..............<–78 dBm

Residual responses (input terminated)....<–75 dBm

0.00

–10.00

–20.00

–30.00

–40.00

–50.00

–60.00

–70.00

–80.00

–90.00

–100.00

–110.00

30.5M 30.6M 30.7M

31.1M

31.3M

31.5M

Frequency (Hz)

Amplitude (dBm)

30.9M

30.8M

31.0M

31.2M

31.4M

Typical Results