參數(shù)資料
型號： AK2572
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： APC for Burst Mode Applicable Direct Modulation Laser Diode
中文描述： apc的突發(fā)模式適用的直接調(diào)制激光器
文件頁數(shù)： 41/50頁
文件大小： 463K
代理商： AK2572
ASAHI KASEI
[AK2572]
-41-
< MS0290-E-01>
2004/8
Table 9-6 Register Configuration (Continued)
Register
R_APC_FF_SET [7:6]
R_APC_FB_SET [5:4]
R_APC_INIT_SET [3]
Address
02h
02h
02h
Function
APC FF setting
APC FB setting
APC_FB initial value setting
Bit Form R/W
2
U
2
U
1
U
Note
R/W
R/W
R/W
Refer to Table 4-6
Refer to Table 4-6
0: OFF, 1: ON
0:Gain
＝
1
1:Gain
＝
1.2/2.2
R_DAC3_GAIN [2]
02h
V-DAC3 gain setting
1
U
R/W
R_DAC2_GAIN [1]
R_DAC1_GAIN [0]
R_TIMER
_OPTALM [6]
R_EXTALM2_POL [5]
R_EXTALM1_POL [4]
02h
02h
I-DAC2 gain setting
I-DAC1 gain setting
OPTALM mask time setting
for SFP_TXFAULT detection
EXTALM2 polarity setting
EXTALM1 polarity setting
Temperature difference
detection at Shutdown release
1
1
U
U
R/W 0:Gain
＝
1/2, 1: Gain
＝
1
R/W 0:Gain
＝
1/10, 1: Gain
＝
1
0:160ms, 1:2ms [Typ.]
(Refer to Table 8-1)
R/W 0:“H” active, 1:“L” active
R/W 0:“H” active, 1:“L” active
0:OFF, 1:ON
Refer to Section 7.2
0:OFF, 1:ON
[2] : V-DAC3,
[1] : I-DAC2
[0] : I-DAC1
R/W 0:1/3, 1:1/4, 2:1/6, 3:1/7
R/W
Refer to Table 4-3
03h
1
U
R/W
03h
03h
1
1
U
U
R_TEMP_DET [3]
03h
1
U
R/W
R_DAC_SET [2:0]
03h
DAC operation setting
3
U
R/W
R_OPTALM [7:6]
R_PDGAIN [5:0]
04h
04h
OPTALM threshold
PD gain setting
EXTALM2 setting for
TXFAULT
EXTALM1 setting for
TXFAULT
CURRALM setting for
TXFAULT
OPTALM setting for TXFAULT 1
EXTALM2 mask time setting
for SFP_TXFAULT detection
EXTALM1 mask time setting
for SFP_TXFAULT detection
Set TEMPALM for TXFAULT 1
Window setting for
Temperature difference
detection
DAC setting for Imod (Data
setting for I-DAC1, V-DAC3)
APC_FB dividing value for
Imod
APC_FB dividing value for
Ibias
APC FB initial value
APC target setting
APC_FF value for Imod
APC_FF value for Ibias
2
6
U
U
R_EXTALM2_SET [5]
05h
1
U
R/W
0:OFF, 1:ON (Target)
R_EXTALM1_SET [4]
05h
1
U
R/W
0:OFF, 1: ON (Target)
R_CURRALM_SET [3]
05h
1
U
R/W
0:OFF, 1: ON (Target)
R_OPTALM_SET [2]
R_TIMER
_EXTALM2 [1]
R_TIMER
_EXTALM1 [0]
R_TEMPALM_SET [7]
05h
U
R/W
0:OFF, 1: ON (Target)
0:0ms , 1:2ms [Typ.]
（
Refer to Table 8-2
）
0:0ms , 1:2ms [Typ.]
（
Refer to Table 8-2
）
0:OFF, 1: ON (Target)
05h
1
U
R/W
05h
1
U
R/W
06h
U
R/W
R_TEMP_WIN [7:0]
07h
8
U
R/W
Refer to Section 7.2 and
Table 4-10
R _MODV_SEL [7]
08h
1
U
R/W
Refer to Table 3-4
R_MOD_FBRT [6:0]
08h
7
U
R/W
Refer to Section 4.2.4
R_BIAS_FBRT [6:0]
09h
7
U
R/W
Refer to Section 4.2.4
R_APC_FBIV [7:0]
R_APC_TRGT [4:0]
R_MOD_FF [7:0]
R_BIAS_FF [7:0]
0Ah
0Bh
0Ch
0Dh
8
5
8
8
U
U
U
U
R/W Refer to Table 4-10 [*2]
R/W
Refer to Table 4-4
R/W
I-DAC1 or V-DAC3
R/W
I-DAC2
V-DAC3 or I-DAC1
(DAC isn’t for Imod)
R_EXTRA [7:0]
0Eh
EXTRA DAC value
8
U
R/W
R_CURRALM
_BIAS [7:4]
0Fh
CURRALM setting for Ibias
4
U
R/W
Refer to Section 6.3
R_CURRALM
_MOD [3:0]
0Fh
CURRALM setting for Imod
4
U
R/W
Refer to Section 6.3
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