Vector Signal Generator
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20
30
40
50
60
70
80
90
The specifications in figures 8 through 11 were measured under the
following conditions:
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Modulation: QPSK
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Symbol rate: 3.84 MS/s
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Filter: root raised cosine with alpha value of 0.22
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Filter length: 128 symbols
–100
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RF power: set to -10 dBm
–110
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812M
814M
816M
818M
820M
822M
824M
826M
828M
830M
832M
834M
836M
838M
Prefilter gain: set to -5 dB
Frequency (Hz)
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Number of averages by receiver: 100
Figure 8. Typical Adjacent Channel Power at 825 MHz
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Noise cancellation: On
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
2.39G
2.392G
2.392G
2.396G
2.398G
2.4G
2.402G
2.404G
2.406G
2.408G
2.41G
Frequency (Hz)
Figure 9. Typical Adjacent Channel Power at 2.4 GHz
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
3.388G 3.39G 3.392G 3.394G 3.396G 3.398G
3.4G
3.402G 3.404G 3.406G 3.408G 3.41G 3.412G
Frequency (Hz)
Figure 10. Typical Adjacent Channel Power at 3.4 GHz
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
5.988G
5.99G
5.992G 5.994G 5.996G 5.998G
6G
6.002G 6.004G 6.006G 6.008G
6.01G
6.012G
Frequency (Hz)
Figure 11. Typical Adjacent Channel Power at 5.8 GHz
BUY ONLINE at ni.com or CALL 800 813 3693 (U.S.)
8
NI [ National Instruments ]
