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參數(shù)資料
| 型號： | LG1625AXF |
| 英文描述： | LG1625AXF Laser Driver |
| 中文描述： | LG1625AXF激光驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 363K |
| 代理商： | LG1625AXF |
6
Lucent Technologies Inc.
Data Sheet
June 1999
LG1625AXF Laser Driver
Test Circuit
Notes:
GND pins 3, 4, 5, 8, 9, 10, 14, 15, 17.
V
SS1
pins 1, 6, 13, 22, 23.
5-7876(F)r.1
Figure 5. LG1625AXF Typical Test Circuit
LG1625AXF Application Notes
I
V
SS
bypass capacitors should be mounted close to the package.
I
5000
potentiometer is typically set for 2500
. This establishes an approximate –1.3 V V
TH
which will track
with V
SS
.
I
Mark density (MK and MK) outputs are terminated with 1 k
pull-up resistors.
I
I
MOD
and I
PRE
can be measured and used to control V
MOD
and V
PRE
.
V
IN
MK
V
TH
V
TH
V
SS1
MK
I
OUT
V
PRE
V
MOD
V
SS2
V
SS3
LG1625AXF
1
0
F
1
5
0
μ
F
1
V
SS
–5.2 V
0
μ
F
0
μ
F
1
1
50
50
5
0
μ
F
50
5
0
μ
F
1
V
SS
–5.2 V
I
PRE
IF V
PRE
> –5.0 V
I
MOD
0.1
μ
F
0.1
μ
F
V
SS
–5.2 V
+
12
11
18
21
16
20
19
7
2
24
20
20
I
MONITOR
I
MONITOR
SCOPE
DATA
GENERATOR
x x
MK
MK
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