1688-20 View Datasheet(PDF) - Emcore Corporation
Part Name
Description
Manufacturer
1688-20 Datasheet PDF : 5 Pages
| |||
1688 1310 nm DFB Laser Module
DATASHEET | FEBRUARY 2012
FIBER OPTICS
RF Characteristic
Laser Temperature (TL) = 25oC, IF = IOP, Beginning of Life (BOL)
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Frequency Range
F
-
5
-
1002
MHz
Frequency Response
Carrier-to-Noise Ratio
S21
IF = 60 mA, 5 MHz-1002 MHz
-
±0.5
-
dB
CNR
OMI = 3.7%, 79 ch., NTSC
50
51
-
dB
Composite Second Order
CSO
OMI = 3.7%, 79 ch., NTSC
57
-
-
dB
Composite Triple Beat
CTB
OMI = 3.7%, 79 ch., NTSC
65
-
-
dB
Relative Intensity Noise
RIN
-
-150
-155
-
dB/Hz
In order to prevent reflection-induced distortion, the laser must be connected to an optical cable having a return loss of at
least 55 dB for discrete reflections and 30 dB for distributed reflections.
Fiber Characteristics
SC/APC Connector:
Fiber Length:
Fiber Type:
Standard
> 1.0 meter (1.5 meter typical), with respect to end of package wall.
Single Mode Fiber, SMF-28 or compatible, 900 micron buffer, up to one splice allowed for optical
Power models <16mW. The lossy splice location is defined as below.
Electrical Schematics
Figure 1. 1688 Laser Schematic
Figure 2. 1688 Circuit Schematic
| REV 2012.02
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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