Datasheet

Data Sheet AD9957
Rev. C | Page 13 of 64
0
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START 0Hz 50MHz/DIV STOP 500MHz
06384-044
Figure 11. QPSK, 7.8125 Msymbols/s, 4x Oversampled Raised Cosine,
α = 0.25, CCI = 8, Carrier = 102 MHz, f
S
= 1 GHz
0
–20
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–40
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–80
–70
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–90
–100
START 0MHz 50MHz/DIV STOP 500MHz
06384-045
Figure 12. QPSK, 7.8125 Msymbols/s, 4x Oversampled Raised Cosine,
α = 0.25, CCI = 8, Carrier = 222 MHz, f
S
= 1 GHz
0
–20
–10
–50
–40
–30
–80
–70
–60
–90
–100
START 0Hz 50MHz/DIV STOP 500MHz
06384-046
Figure 13. QPSK, 7.8125 Msymbols/s, 4x Oversampled Raised Cosine,
α = 0.25, CCI = 8, Carrier = 372 MHz, f
S
= 1 GHz
0
–20
–10
–50
–40
–30
–80
–70
–60
–90
–100
CENTER 102MHz 2MHz/DIV SPAN 20MHz
06384-041
Figure 14. Narrow-Band View of Figure 11
0
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–100
CENTER 222MHz 2MHz/DIV SPAN 20MHz
06384-042
Figure 15. Narrow-Band View of Figure 12
0
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CENTER 372MHz 2MHz/DIV SPAN 20MHz
06384-043
Figure 16. Narrow-Band View of Figure 13