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參數(shù)資料
| 型號(hào)： | LG1627BXC |
| 英文描述： | LG1627BXC Clocked Laser Driver |
| 中文描述： | LG1627BXC時(shí)鐘激光驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 921K |
| 代理商： | LG1627BXC |
6
Agere Systems Inc.
Data Sheet
May 2001
LG1627BXC Clocked Laser Driver
Typical Optical Evaluations and Performance Characteristics
5-7693(F)r.4
Notes:
All bypass capacitors should be mounted close to the package.
For optimum performance, the package must be soldered to ground.
Mark density (MK and MK) outputs are terminated with 1 k
pull-up resistors.
For single-ended operation, unused data and clock inputs should be ac coupled to a 50
termination.
Pin 13 and pin 14 should be tied together with a separate path to the ground plane.
Figure 4. Typical Optical Evaluation of the LG1627BXC and D2500 Laser
Zo = 50
CLOCK
IN
0.047
μ
F
CLK
V
D
C
S
V
S
B
1
2
3
4
5
6
7
8
9
10 11 12
13
14
15
16
17
18
19
20
21
22
23
24
LG1627BXC
CLOCKED LASER
DRIVER
Zo = 50
DATA
IN
V
S
V
S
V
M
0.1
μ
F
V
SS
= –5.2 V
0.047
μ
F
1
1
M
M
CLK_E
V
IN
I
OUT
V
S
I
OUT-PRE
V
P
V
D
C
S
Zo = 25
1
2
3
4
5
6
7
14
13
12
11
10
9
8
D2500
LASER
2000
LASER
RF INPUT
LASER
dc BIAS
0.1
μ
F
3 k
0.1
μ
F
2 k
V
SS
VOLTAGE
DIVIDER
0.1
μ
F
1
V
SS
TO NODE
V
SS2
AND V
SS3
ONE EACH
TO USER
VOLTAGE MONITOR
(DVM)
CURRENT
SENSE
0.1
μ
F
V
SS
TO
V
SS1
BYPASS
FOR V
SS1
REQUIRED TO SET
V
MOD
AND V
PRE
TO ACHIEVE DESIRED
MODULATION AND PREBIAS
V
TH
V
IN (OPTIONAL)
5 k
V
SS
= –5.2 V
M
BG2P5
LM4040
P
P
CLK
(OPTIONAL)
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