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參數(shù)資料
| 型號： | AK2570 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | Feed Forward APC LSI for LD Module |
| 中文描述： | 前饋apc的大規(guī)模集成電路模塊為勞工處 |
| 文件頁數(shù)： | 23/27頁 |
| 文件大?。?/td> | 292K |
| 代理商： | AK2570 |
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ASAHI KASEI
[AK2570]
<MS0115-E-00>
2001/10
23
VPDIN-pin is 0.0V (constant).
CLK
(155.52MHz)
tENVDT1
tENVDT2
tENVDT
tVIN
tALMO
ENVIN
VPDIN
ALM
<Note> The clock (155.52MHz) is not applied to AK2570.
Delay time between the falling edge of ENVIN and that of ALM
In the 50Mbps burst transmission mode and the 156Mbps burst transmission mode, the ALM signal
becomes the
‘
L
’
level in the case of that the ALM signal is still generated (at the
‘
H
’
level) and the
‘
L
’
level
signal is forced to ENVIN-pin (ENV signal). There is the delay time between the falling edge of the ENV
signal and that of the ALM signal in this case.
Parameter
Symbol
Condition
Min.
Typ.
Max.
unit
Delay time between the falling
edge of ENVIN and that of ALM
tALMDL
CL=20pF
19.3
ns
tALMDL
ENVIN
ALM
Error on the judgment for ALM signal
There is some error on the judgment for generating the alarm signal. Therefore ALM signal will be often
generated in the case that the input voltage to VPDIN-pin is slightly bigger than the DA3 output (the alarm
threshold level). The error shown below is the value against the DA3 output.
DA3 output (Typ.)
58.8mV
98.0mV
Error on the judgment for ALM signal [*]
±
3dB
±
2dB
Remarks
Designed reference value
Designed reference value
[*] dB = the converted value for the power
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK2572 | APC for Burst Mode Applicable Direct Modulation Laser Diode |
| AK2573A | 125M / 156M Laser Diode Driver + APC |
| AK2573AVB | 125M / 156M Laser Diode Driver + APC |
| AK2574 | 156M Laser Diode Driver + APC for Burst Mode |
| AK2574VB | 156M Laser Diode Driver + APC for Burst Mode |
相關(guān)代理商/技術(shù)參數(shù) |
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| AK2571 | 制造商:AKM 制造商全稱:AKM 功能描述:Single-Chip Automatic Power/Temperature Control for WDM Laser Diodes |
| AK2572 | 制造商:AKM 制造商全稱:AKM 功能描述:APC for Burst Mode Applicable Direct Modulation Laser Diode |
| AK2573A | 制造商:AKM 制造商全稱:AKM 功能描述:125M / 156M Laser Diode Driver + APC |
| AK2573AVB | 制造商:AKM 制造商全稱:AKM 功能描述:125M / 156M Laser Diode Driver + APC |
| AK2574 | 制造商:AKM 制造商全稱:AKM 功能描述:156M Laser Diode Driver + APC for Burst Mode |
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