參數資料
型號: AD9957BSVZ
廠商: Analog Devices Inc
文件頁數: 5/64頁
文件大?。?/td> 0K
描述: IC DDS 1GSPS 14BIT IQ 100TQFP
產品培訓模塊: Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
標準包裝: 1
分辨率(位): 14 b
主 fclk: 1GHz
調節(jié)字寬(位): 32 b
電源電壓: 1.8V, 3.3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-TQFP 裸露焊盤
供應商設備封裝: 100-TQFP-EP(14x14)
包裝: 托盤
產品目錄頁面: 552 (CN2011-ZH PDF)
配用: AD9957/PCBZ-ND - BOARD EVAL AD9957 QUADRATURE MOD
Data Sheet
AD9957
Rev. C | Page 13 of 64
0
–20
–10
–50
–40
–30
–80
–70
–60
–90
–100
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, fS = 1 GHz
0
–20
–10
–50
–40
–30
–80
–70
–60
–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, fS = 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, fS = 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
–20
–10
–50
–40
–30
–80
–70
–60
–90
–100
CENTER 222MHz
2MHz/DIV
SPAN 20MHz
06384-
042
Figure 15. Narrow-Band View of Figure 12
0
–20
–10
–50
–40
–30
–80
–70
–60
–90
–100
CENTER 372MHz
2MHz/DIV
SPAN 20MHz
06384-
043
Figure 16. Narrow-Band View of Figure 13
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