參數(shù)資料
型號: AD9857AST
廠商: ANALOG DEVICES INC
元件分類: 通信及網(wǎng)絡
英文描述: CMOS 200 MSPS 14-Bit Quadrature Digital Upconverter
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP80
封裝: MS-026-BEC, LQFP-80
文件頁數(shù): 25/31頁
文件大?。?/td> 551K
代理商: AD9857AST
AD9857
–25–
REV. 0
I
0
TxENABLE
PDCLK
D<13:0>
Q
1
I
1
Q
0
Q
2
I
2
I
0
Q
0
I
1
Q
1
SYSCLK/N
SYSCLK/2N
SYSCLK/4N
SIGNAL PATH I
SIGNAL PATH Q
INVCIC CLOCK
LATENCY THROUGH DATA ASSEMBLER LOGIC
IS 3 PDCLK CYCLES
INVERSE CIC
FILTER SETUP
TIME
DON'T CARE
Figure 31. Latency from D<13:0> to Signal Processing Chain, Four PDCLK Cycles
I
0
TxENABLE
PDCLK
D<13:0>
Q
1
I
1
Q
0
Q
2
I
2
I
0
Q
0
I
1
Q
1
SYSCLK/N
SYSCLK/2N
SYSCLK/4N
SIGNAL PATH I
SIGNAL PATH Q
INVCIC CLOCK
LATENCY THROUGH DATA ASSEMBLER LOGIC
IS 3 PDCLK CYCLES
INVERSE CIC FILTER SETUP TIME
DON'T CARE
Q
3
I
3
Figure 32. Latency from D<13:0> to Signal Processing Chain, Five PDCLK Cycles
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