参数资料
型号: TZA3011A
英文描述: TRANSIL
中文描述: 30 Mbits /秒高达3.2 Gb /秒阿率(商标)激光驱动器
文件页数: 19/28页
文件大小: 138K
代理商: TZA3011A
2003 Apr 02
19
Philips Semiconductors
Product specification
30 Mbits/s up to 3.2 Gbits/s
A-rate
TM
laser drivers
TZA3011A; TZA3011B
12.3
TZA3011B with dual-loop control
A simplified application using the TZA3011B with dual-loop control and with a DC-coupled laser at 3.3 V or 5 V laser
voltage is illustrated in Fig.8. The average power level and the extinction ratio are determined by the resistors R
AVR
and
R
ER
. The MODOUT and BIASOUT outputs are connected to the MODIN and the BIASIN inputs respectively.
The open-drain outputs ALOP and ALMON are short-circuited with pin ENABLE causing an active alarm to disable the
bias and modulation current sources. The ALRESET input will reset the alarm latches and enable normal operation.
handbook, full pagewidth
MGT894
TZA3011B
1
32
A
E
M
M
B
B
M
V
E
A
A
M
V
M
R
P
31
30
29
28
27
26
25
24
23
22
21
20
19
18
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
BIAS
laser with
monitor diode
GND
LA
LA
LAQ
LAQ
GND
VCCA
VCCD
DIN
3.3 V
3.3 V or 5 V
3.3 V
DINQ
TEST
CIN
CINQ
GND
ALRESET
Fig.8 TZA3011B with DC-coupled laser and dual-loop control.
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