參數(shù)資料
型號(hào): AD9898
廠商: Analog Devices, Inc.
英文描述: CCD Signal Processor with Precision Timing⑩ Generator
中文描述: CCD信號(hào)處理器精確定時(shí)⑩發(fā)生器
文件頁(yè)數(shù): 22/52頁(yè)
文件大小: 557K
代理商: AD9898
REV. 0
–22–
AD9898
P[0]
PIXEL
PERIOD
RG
H1
P[48] = P[0]
CCD
SIGNAL
P[24]
P[12]
P[36]
POSITION
cds
(INTERNAL)
t
S1
RGf[12]
RGr[0]
Hr[0]
Hf[24]
SHP[20]
SHD[40]
1. ALL SIGNAL EDGES ARE FULLY PROGRAMMABLE TO ANY OF THE 48 POSITIONS WITHIN ONE PIXEL PERIOD.
2. DEFAULT POSITIONS FOR EACH SIGNAL ARE SHOWN.
Figure 13. High Speed Clock Default and Programmable Locations
FIXED CROSSOVER VOLTAGE
H1
H2
t
PD
<
t
RISE
H2
H1
t
RISE
t
PD
Figure 14. H-Clock Inverse Phase Relationship
1. DCLK1 PHASE IS ADJUSTED BY SETTING THE DCLKPHASE REGISTER (ADDR 0x02).
2. DOUT PHASE CAN BE ADJUSTED BY SETTING THE DOUTPHASE REGISTER (ADDR 0x02).
P[0]
P[48] = P[0]
PIXEL
PERIOD
P[12]
P[24]
P[36]
DOUT
DCLK1
t
OD
Figure 15. Digital Output Phase Adjustment
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