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參數(shù)資料
| 型號(hào)： | NDL7405P4D |
| 廠商： | NEC Corp. |
| 英文描述： | Optical CATV Reture Path Laser Diode(激光二極管) |
| 中文描述： | 有線電視Reture光路激光二極管（激光二極管） |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 74K |
| 代理商： | NDL7405P4D |
Data Sheet P13548EJ3V0DS00
4
NDL7405P Series
ELECTRO-OPTICAL CHARACTERISTICS
(T
C
= 25
°
C, Optical Reflection
≤
40 dB, unless otherwise specified)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Forward Voltage
V
F
I
F
= 30 mA
1.1
1.5
V
Threshold Current
I
th
CW
10
25
mA
CW, T
C
= 85
°
C
25
50
Operating Current
I
op
CW
25
40
mA
CW, T
C
= 85
°
C
50
80
Differential Efficiency from Fiber
η
d
P
f
= 1.0 mW
0.050
0.100
W/A
P
f
= 1.0 mW, T
C
= 85
°
C
0.036
0.070
Center Wavelength
λ
C
P
f
= 1.0 mW, RMS (
20 dB),
T
C
=
40 to +85
°
C
1 260
1 310
1 360
nm
Spectral Width
σ
P
f
= 1.0 mW, RMS (
20 dB),
T
C
=
40 to +85
°
C
4.0
nm
2nd Order Inter-modulation Distortion
IMD2
*1
40
dBc
3rd Order Inter-modulation Distortion
IMD3
*1
50
dBc
Carrier to Noise Ratio
CNR
*1
43
dB
Monitor Current
I
m
V
R
= 5 V, P
f
= 1.0 mW
100
700
1 000
μ
A
Dark Current
I
D
V
R
= 5 V
0.1
10
nA
Tracking Error
γ
*2
I
m
= const., P
f
= 1.0 mW,
T
C
=
40 to +85
°
C
1.0
1.0
dB
*1
Conditions: P
f
= 1.0 mW, T
C
=
40 to +85
°
C, 2 channel unmodulated carriers 13 MHz and 19 MHz,
Optical Reflection =
40 dB, Fiber Loss = 7 dB,
OMI = 20 %/ch @ T
C
=
40 to +85
°
C
*2
γ
= 10 log
I
m
P
f
(mW)
P
f
1.0
I
m
(@ P
f
(25 C) = 1.0 mW)
0
T
C
= –40 to +85 C
T
C
= 25 C
P
f
1.0 mW
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