3998 Series 1550 nm
Externally-Modulated Transmitter
DATASHEET | OCTOBER 2013
FIBER OPTICS
Optical / Electrical Characteristics
L-Type
Property
Performance (note 1-8)
Specified Link Length
Units
Models
3998-L02 3998-L03
Comments
3998-L01
3998-L04
L (km)
25
25
25
25
With 36 QPSK carriers
from 950 to 2800 MHz
Channel Plan
NTSC 80-Ch
8.5/8.5
PAL 60-Ch
NTSC 110-ch
PAL 89-Ch
8.5/8.5
Min. 10 dBm version
avail. See Chart
Optical Output Power
Po (dBm)
8.5/8.5
8.5/8.5
Noise Bandwidth
BW (MHz)
(dBm)
4
5
4
5
SBS Suppression
15.0
51.0
-65
-65
-64
27
15.0
51.0
-65
-65
-64
27
15.0
49.5
-65
-65
-64
27
15.0
49.5
-65
-65
-64
27
Min.
CATV Carrier to Noise Ratio
CATV Composite Second Order
CATV Composite Triple Beat
CATV Composite Triple Beat
SAT-IF Carrier to Noise Ratio
SAT-IF Intermodulation Products
SAT-IF Spurious Products
CNR (dB)
CSO (dBc)
CTB (dBc)
CTB (dBc)
CNR (dB)
(dBc)
Min.
Max. Port 1
Max. @ +25°C
Max. @ 0oC to 50oC
Min.
-35
-38
-35
-38
-35
-38
-35
-38
Max. Port 1
Max.
(dBc)
D-Type
Property
Performance (note 1-7)
Specified Link Length
Units
Models
Comments
3998-D01
3998-D02
3998-D03
3998-D04
L (km)
40
40
40
40
Channel Plan
NTSC 80-Ch
PAL 60-Ch
11.0
5
NTSC 110-ch
PAL 89-Ch
11.0
5
Optical Output Power
Noise Bandwidth
Po (dBm)
BW (MHz)
(dBm)
11.0
4
11.0
4
Min.
SBS Suppression
> 12.0
54.0
-65
>12.0
54.0
-65
>12.0
51.0
-65
>12.0
51.0
-65
Min.
Carrier to Noise Ratio
Composite Second Order
Composite Triple Beat
Composite Triple Beat
CNR (dB)
CSO (dBc)
CTB (dBc)
CTB (dBc)
Min.
Max.
-65
-65
-65
-65
Max. @ +25°C
Max. @ 0oC to 50oC
-64
-64
-64
-64
|
REV 2013.10
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.