1751A-20-BB-PG-10 查看數據表（PDF） - Emcore Corporation
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1751A-20-BB-PG-10 Datasheet PDF : 6 Pages
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1751A 1550 nm DWDM DFB Laser Module
DATASHEET | JUNE 2012
FIBER OPTICS
RF Characteristic
Parameter
Symbol
Condition
Min
Typ
Max Units
Frequency Range1
Return Path
Forward Path
Frequency Response1
Return Path Version 5-210 MHz
Forward Path Version 40- 860 MHz
RF Return Loss1
F
-
-
| S11 |
IF = 60 mA
IF = 60 mA,
TOP = 25 C
-
5
-
210
MHz
40
-
860
MHz
-
±0.5
-
dB
-
±0.5
-
dB
16
-
-
dB
Composite Second Order
Composite Triple Beat
Carrier to Noise Ratio
Adiabatic Chirp
CSO
IF = IOP
Note 2, 3, 4 and 5
50
CTB
IF = IOP
Note 2, 3, 4 and 5
60
CNR
IF = IOP
Note 2, 3, 4 and 5
51
FM
IF = 60 mA, T = 25 C,
measured at 500 MHz
40
-
-
dBc
-
-
dBc
-
-
dB
-
100
MHz/m
A
Nominal Input Impedance
ZIN
-
-
25
-
dB
1. Measured on a 50 resistively matched system.
2. I OP is the bias point at which simultaneously the linearity, the min. optical power and the required operating wavelength,
OP are obtained.
3. 8 channel loading with 10% OMI and 40 km fiber length.
4. Receiver thermal noise 8 pA*Hz-0.5, 0.5mA at Ith+40mA, photodiode responsivity ~1.1A/W, noise bandwidth 4.2 MHz
5. Forward band (FB=45-870 MHz): Eight channel CW measurement: channel frequencies set at 553.25, 559.25, 565.25,
571.25, 577.25, 583.25, 589.25, and 595.25 MHz. CTB measured at 553.25, 577.25, and 595.25 MHz. CSO measured at
42 MHz
6. Measured Wavelength = Operating wavelength with a tolerance of + 0.05 nm.
Electrical Schematics
Figure 1. 1751A Laser Schematic
Figure 2. 1751A Circuit Schematic
| REV 2012.06
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
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