Ericsson PGT20327 Datasheet
Key Features
• L-band DFB CW source monolithicly
integrated with an Electro Absorptionmodulator (EA)
• Hermetic, 14 pin butterfly package
• Single-mode fiber pigtail
• 4 GHz typical bandwidth
• -3 dBm output power
Applications
• 2.5 Gb/s
• L-band
PGT 203 27
DFB/EA Laser Module
for 2.5 Gb/s Applications
Description
The laser module, intended for L-band DWDM applications at OC-48/STM16, consists of a DFB laser with integrated absorption modulator mounted
in a high speed package including isolator. Laser wavelengths are available
according to the ITU-T grid.
1
PGT 203 27
71
10k
TEC
Figure 1. Block diagram
5.0
Pin 14
ø6.0
4xø2.7
Pin 1
30.0
8
TOP VIEW
20.83 4.58
26.04
30.0
7.38
7x0.5 6x2.54
8.1
8.89
0.76
12.7
14
0.2
5.4
5.0
Pin Description
1. Thermistor
2. Thermistor
3. Laser DC bias (+)
4. Monitor (-)
5. Monitor (+)
6. TEC (+)
7. TEC (-)
8. NC
9. NC
10. GND
11. GND
12. EA modulation (-)
13. GND
14. GND
Figure 2. Mechanical outline and pin description
2
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