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參數資料
| 型號： | AD9853 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Programmable Digital QPSK/16-QAM Modulator(可編程數字的四相移鍵控/16-正交幅度調制的調節器) |
| 中文描述： | 可編程數字QPSK/16-QAM調制器（可編程數字的四相移鍵控/ 16 -正交幅度調制的調節器） |
| 文件頁數： | 13/31頁 |
| 文件大小： | 339K |
| 代理商： | AD9853 |
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AD9853
–13–
REV. A
S
DEVICE ADDRESS
A(S)
REGISTER ADDRESS
A(S)
DATA
A(S)
WRITE
DATA
A(S)
P
S
DEVICE ADDRESS
A(S)
REGISTER ADDRESS
A(S)
READ
DATA
A
(M)
P
DEVICE ADDRESS
A(S)
DATA
S
A(M)
LSB = 0
LSB = 1
A(S) = ACKNOWLEDGE BY SLAVE
A(M) = ACKNOWLEDGE BY MASTER
S = START CONDITION
P = STOP CONDITION
A
(M) = NO ACKNOWLEDGE BY MASTER
Figure 27. Serial Control Bus—Read and Write Sequences
R/W
MSB
A
1
0
0
0
0
0
LSB
0 = WRITE / 1 = READ
ADDRESS CONTROL
(SET VIA DEVICE PIN 6)
Figure 28. Serial Control Bus—8-Bit Device Address Detail
t
FH
t
FL
FEC DISABLE/
ENABLE CONTROL
T
X
ENABLE
t
FH
= FEC TO T
X
ENABLE SETUP TIME = 0ns
t
FL
= FEC TO T
X
ENABLE HOLD TIME = 0ns
Figure 29. FEC Enable/Disable Timing Diagram
t
TR
t
RL
T
X
ENABLE
RESET
CONTROL CLOCK
CONTROL DATA
t
RH
t
PWH
t
PWL
t
CH
t
DS
t
DH
t
CS
t
TR
= MINIMUM T
X
ENABLE LOW TO RESET LOW = 10ns
t
RL
= MINIMUM RESET PULSEWIDTH = 10ns
t
RH
= MINIMUM RESET TO START CONDITION = 10ns
t
CH
= MINIMUM CLOCK HOLD TIME START CONDITION = 10ns
t
CS
= MINIMUM CLOCK SETUP TIME STOP CONDITION = 10ns
t
DS
= MINIMUM DATA SETUP TIME = 10ns
t
DH
= MINIMUM DATA HOLD TIME = 10ns
t
PWH
=
t
PWL
= MINIMUM CLOCK PULSEWIDTH HIGH/LOW = 10ns
t
MP
= MINIMUM CLOCK PERIOD = 40ns = 25MHz
t
MP
Figure 30. Serial Control Interface Timing Diagram
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9853-45PCB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Programmable Digital OPSK/16-QAM Modulator |
| AD9853-65PCB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Programmable Digital OPSK/16-QAM Modulator |
| AD9853AS | 制造商:Analog Devices 功能描述: 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD9854 | 制造商:AD 制造商全稱:Analog Devices 功能描述:CMOS 300 MHz Quadrature Complete-DDS |
| AD9854/PCB | 制造商:Analog Devices 功能描述:Evaluation Board For IC Digital Synthesizer Single 制造商:Analog Devices 功能描述:Direct Digital Synthesizer IC (DDS) |
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