17 | Keysight | M9381A PXIe Vector Signal Generator – Data Sheet
Technical Specifications and Characteristics
Vector modulation (continued)
SSB Residual Carrier Leakage
after IQ alignment Scale = 0.25
SSB Image Rejection
after IQ alignment Scale = 0.25
-40
-40
-50
-60
-70
-80
-90
1 MHz
50 MHz
80 MHz
-50
-60
-70
-80
-90
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Frequency (GHz)
Frequency (GHz)
Figure 13. SSB residual carrier leakage.
Figure 14. SSB image rejection at 1, 50, and 80 MHz offsets.
I/ Q Baseband Feed-through
SSB waveform Scale = 0.5
RF I/ Q Channel Flatness
62-tone baseband waveform Scale = 0.5
-50
-60
1
0.85 GHz
1.8 GHz
1.9 GHz
2.2 GHz
3.5 GHz
5.8 GHz
0.85 GHz
1.8 GHz
1.9 GHz
2.2 GHz
3.5 GHz
5.8 GHz
0.5
0
-70
-80
-0.5
-1
-90
-100
-80
-60
-40
-20
0
20
40
60
80
-80
-60
-40
-20
0
20
40
60
80
Frequency Offset from Carrier (MHz)
Frequency Offset from Carrier (MHz)
Figure 15. I/Q baseband feed-through at various carrier frequencies.
Figure 16. RF I/Q channel flatness at various carrier frequencies.
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