參數(shù)資料
型號: AD9957BSVZ-REEL
廠商: ANALOG DEVICES INC
元件分類: 通信及網絡
英文描述: 1 GSPS Quadrature Digital Upconverter with 18-Bit IQ Data Path and 14-Bit DAC
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP100
封裝: ROHS COMPLIANT, MS-026AED-HD, TQFP-100
文件頁數(shù): 12/60頁
文件大?。?/td> 840K
代理商: AD9957BSVZ-REEL
AD9957
Rev. 0 | Page 12 of 60
0
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–80
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–90
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START 0Hz
50MHz/DIV
STOP 500MHz
0
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
–10
–50
–40
–30
–80
–70
–60
–90
–100
START 0MHz
50MHz/DIV
STOP 500MHz
0
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
0
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
0
Figure 14. Narrow-Band View of Figure 11
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–90
–100
CENTER 222MHz
2MHz/DIV
SPAN 20MHz
0
Figure 15. Narrow-Band View of Figure 12
0
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–10
–50
–40
–30
–80
–70
–60
–90
–100
CENTER 372MHz
2MHz/DIV
SPAN 20MHz
0
Figure 16. Narrow-Band View of Figure 13
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