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參數資料
| 型號： | D374 |
| 英文描述： | D374-Type Digital Uncooled 2.5 Gbits/s Laser Module |
| 中文描述： | D374型數碼制冷2.5 Gb /秒激光模組 |
| 文件頁數： | 3/8頁 |
| 文件大小： | 56K |
| 代理商： | D374 |
Data Sheet
December 2000
D374-Type Digital Uncooled 2.5 Gbits/s Laser Module
3
Agere Systems Inc.
Handling Precautions
Caution: This device is susceptible to damage as a result of electrostatic discharge (ESD). Take proper pre-
cautions during both handling and testing. Follow guidelines such as JEDEC Publication No. 108-
A (Dec. 1988).
Although protection circuitry is designed into the device, take proper precautions to avoid exposure to ESD.
Electrical/Optical Characteristics
* Higher and lower powers available. See Table 4 for more information.
The slope efficiency is used to calculate the modulation current for a desired output power. This modulation current plus the threshold current
comprise the total operating current for the device.
V
R
= reverse voltage.
Table 2. Electrical/Optical Characteristics
(over operating temperature range unless otherwise noted)
Parameter
Symbol
T
Test Conditions
—
Min
–40
Typ
—
Max
85
Unit
°
C
Operating Temperature
Range
Optical Output Power*
Threshold Current
P
I
TH
F
CW, nominal
T = 25
T = full range
= 1.0 mW, T = 25
CW, I
MON
= constant,
T = full range
CW, P
F
= 1.0 mW, T = 25
P
F
= 1.0 mW, CW
P
F
= 1.0 mW, 155 Mbits/s
I
MON
= constant, CW
I = (0.9) I
10%—90% pulse
T = 25
At bias coil
—
V
= 5 V
V
= 5 V
—
—
4.5
1
10
8
1
9
—
15
—
—
15
45
20
35
mW
mA
mA
mA
mA
°
C
Modulation Current
I
MOD
CW, P
F
°
C
Slope Efficiency
Center Wavelength
RMS Spectral Width
Tracking Error
Spontaneous Emission
Rise/Fall Times
SE
λ
λ
TE
P
TH
t
R
, t
°
C
50
1270
—
—
—
—
75
—
2
0.5
—
0.125
100
1350
3
±
1
50
0.150
μ
W/mA
nm
nm
dB
μ
W
ns
C
TH
F
°
C
Forward Voltage
Input Impedance
Monitor Current
Monitor Dark Current
Wavelength Temperature
Coefficient
V
R
F
—
—
150
—
—
1.1
25
—
10
0.4
1.6
—
750
200
0.5
V
μ
nA
I
MON
I
D
—
R
R
A
nm/
°
C
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