FU-48SDF-L31M40F データシートの表示（PDF） - MITSUBISHI ELECTRIC
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FU-48SDF-L31M40F Datasheet PDF : 6 Pages
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JAN06 (2/6)
MITSUBISHI (OPTICAL DEVICES)
FU-48SDF-x31M4yF
1.3 μm DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL
ELECTRICAL/OPTICAL CHARACTERISTICS (Tld=25°C, Tc=25°C, unless otherwise noted)
Parameter
Symbol
Condition
Limits
Units
Min.
Typ. Max.
Threshold Current
Ith
CW
-
10
20
mA
Operating Current
Iop
CW
-
40
70
mA
Modulation Current
Imod Imod = Iop-Ith
Please see
mA
'Type vs. CATV performance'
Operating Voltage
Vop
CW, If = Iop (Note1)
-
1.3
1.8
V
Output Power from
Pf
CW, If = Iop
Please see
mW
Fiber End
'Type vs. CATV performance'
Input impedance
Zin
If=Iop
-
25
-
Ω
Central Wavelength
λc
CW, If = Iop
1300
1310 1320
nm
RF driver power
RFin terminate with 50ohm
-20
-17
-12
dBm
by adding 25ohm serial resistor
Side Mode
Sr
CW, If = Iop
30
35
-
dB
Suppression Ratio
Cut-off Frequency fc(-1.5dB) If = Iop
2
3.5
-
GHz
Frequency response
Ripple
ΔS21
If = Iop
f = 47~870MHz
-0.5
-
0.5
dB
Composite Second Order
Composite Triple
Order
Carrier to Noise Ratio
CSO
CTB
CNR
112channel loading
55.25MHz~745.25MHz
(6MHz spacing)
If = Iop (Note2)
-
-60
-57
dBc
-
-70
-65
dBc
Please see
dB
'Type vs. CATV performance'
Optical Modulation Depth
m
2.9
3.0
3.3
%
RIN (Note 3)
Nr
CW, If = Iop, f =40~870MHz
-
-160 -155 dB/Hz
Tracking Error(Note 4)
Er
Tc = -20~65°C, APC, ATC
-
0.3
0.5
dB
Differential Efficiency
η
If(average) = Iop
Please see
mW/mA
'Type vs. CATV performance'
Monitor Current
Imon CW, If = Iop, Vrd = 5V
0.1
-
2.5
mA
Dark current( PD )
Id
Vrd = 5V
-
0.1
1
μA
Capacitance ( PD )
Ct
Vrd = 5V, f = 1MHz
-
10
20
pF
Isolation
Iso
Tc = 0 to 65°C
25
37
-
dB
Note1. If : LD forwad current
Note2. Detailed test condition:
Total loss includes the fiber loss. (Please see 'Type vs. performance'.)
Receiver responsively = 0.9A/W
Input equivalent noise current = 7pA(Hz)1/2
Optical return loss of the connector should be greater than 40dB in order to get the specification performance.
Note3. Relative intensity noise does not include shot noise of receiver.
Note4. Er = MAX | 10*log(Pf/Pf(25°C))|
TYPE VS. CATV PERFORMANCE (Tld=25°C, Tc=25°C Unless otherwise noted)
Type
Pf[mW]
Imod[mA]
η[mW/mA]
CNR[dB]
Min. Typ. Max Typ. Max Min. Typ. Max Min. Typ.
-x31M40F 1.5 2 2.5 25 35 0.05 0.08 0.13 50 51
-x31M41F 2.5 3 4 25 35 0.07 0.12 0.16 52 53
-x31M42F
4
5
6
25
35 0.11 0.20 0.30 49.5 50.5
-x31M43F 6 6.5 8 30 40 0.15 0.23 0.40 50.5 51.5
-x31M44F 8 8.5 10 32 40 0.20 0.27 0.40 48 49
-x31M45F 10 10.5 13 35 45 0.22 0.30 0.40 49 50
Total loss[dB]
Fiber length
5
5km
5
5km
8.5
15km
8.5
15km
12
26.5km
12
26.5km
Mitsubishi Electric Corporation reserves the right to make changes to the products or information contained herein
without notice. No liability is assumed as a result of their use or application.
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