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AK2572 Datasheet, PDF (21/50 Pages) Asahi Kasei Microsystems – APC for Burst Mode Applicable Direct Modulation Laser Diode
ASAHI KASEI
[AK2572]
Table 4-8 Operation Setting and APC Operation at Self-Operation Mode
RE_APC_
FB_SET
RE_APC RE_APC_
_FF_SET INIT_SET
R_BIAS_FF
R_MOD_FF
R_APC
_FB
00 (0)
00 (0)
01 (1)
10 (2)
11 (3)
x
0
0
0
x
0
E_MOD_TC 0
x
E_BIAS_TC
0
0
x
E_BIAS_TC E_MOD_TC 0
R_APC
_FBIV
0
0
0
0
R_BIAS
_FBRT
-
-
-
-
R_MOD
_FBRT
-
-
-
-
K_BIAS
_FBRT
0
0
0
0
K_MOD
_FBRT
0
0
0
0
BIAS
(R_DAC2)
MOD
(R_DAC1
or R_DAC3)
0
0
0
FF
FF
0
FF
FF
E_BIAS E_MOD
_TC
_TC
-
-
-
FF
FF
-
FF
FF
01 (1)
00 (0)
0
0
0
FB
0
-
-
0
1
0
FB
--
-
1
0
0
FB E_MOD_TC
-
-
0
1
0
FB
- FB_INIT
01 (1)
0
0
E_MOD_TC FB
0
-
-
0
1
0
FF + FB
-
FF
1 [*]
-
-
-
-
-
-
-
-
-
-
-
-
10 (2)
0
E_BIAS_TC
0
FB
0
-
-
0
1
FF
FB
FF
-
1
E_BIAS_TC
0
FB E_MOD_TC
-
-
0
1
FF
FB
FF FB_INIT
11 (3)
x
E_BIAS_TC E_MOD_TC FB
0
-
-
0
1
FF
FF + FB
FF
FF
10 (2)
00 (0)
0
0
0
FB
0
-
-
1
0
FB
0
-
-
1
0
0
FB E_BIAS_TC
-
-
1
0
FB
0
FB_INIT -
01 (1)
0
0
E_MOD_TC FB
0
-
-
1
0
FB
FF
-
FF
1
0
E_MOD_TC FB E_BIAS_TC
-
-
1
0
FB
FF
FB_INIT FF
10 (2)
0
E_BIAS_TC
0
FB
0
-
-
1
0
FF + FB
0
FF
-
1 [*]
-
-
-
-
-
-
-
-
-
-
-
-
11 (3)
x
E_BIAS_TC E_MOD_TC FB
0
-
-
1
0
FF + FB
FF
FF
FF
11 (3)
00 (0)
0
0
0
FB
0
E_BIAS E_MOD R_BIAS R_MOD
_FBRT _FBRT _FBRT/128 _FBRT/128
FB
FB
-
-
1
0
0
FB
E_BIAS_TC
E_BIAS
_FBRT
E_MOD R_BIAS R_MOD
_FBRT _FBRT/128 _FBRT/128
FB
FB
FB_INIT -
01 (1)
0
0
E_MOD_TC FB
0
E_BIAS E_MOD R_BIAS R_MOD
_FBRT _FBRT _FBRT/128 _FBRT/128
FB
FF + FB
-
FF
1
0
E_MOD_TC
FB
E_BIAS_TC
E_BIAS
_FBRT
E_MOD R_BIAS R_MOD
_FBRT _FBRT/128 _FBRT/128
FB
FF + FB FB_INIT FF
10 (2)
0
E_BIAS_TC
0
FB
0
E_BIAS
_FBRT
E_MOD R_BIAS R_MOD
_FBRT _FBRT/128 _FBRT/128
FF + FB
FB
FF
-
1 [*]
-
-
-
-
-
-
-
-
-
-
-
-
11 (3)
x
E_BIAS_TC E_MOD_TC FB
0
E_BIAS
_FBRT
E_MOD R_BIAS R_MOD
_FBRT _FBRT/128 _FBRT/128
FF + FB
FF + FB
FF
FF
[*] It is prohibited to set <RE_APC_FB_SET=”01”, RE_APC_FF_SET=”01”, RE_APC_INIT_SET=”1”>, <RE_APC_FB_SET=”10”, RE_APC_FF_SET=”10”,
RE_APC_INIT_SET=”1”> or <RE_APC_FB_SET=”11”, RE_APC_FF_SET=”10”, RE_APC_INIT_SET=”1”>.
-21-
< MS0290-E-01>
2004/8