Diagram
Optical Parameters:
|
|
Performance |
Unit |
Description |
Note |
Optical Wavelength |
nm |
1310 or 1550 |
|
Input Optical Power |
dBmV |
+1.5 ~ -5 |
|
Optical Connector |
|
FC/APC |
|
|
|
|
|
|
|
Link performance:
|
|
Performance |
Unit |
Description |
Note |
Frequency response |
dB |
±1.5 |
|
Output return loss |
dB |
≥16 (5-550MHz)
≥14 (550-860MHz) |
|
Output level |
dBµV |
>108 |
Optical power > -2 dBm |
C/N: |
dBc |
≥51 |
(1) |
C/CSO |
dB |
≥65 |
(2) |
C/CTB |
dB |
≥63 |
(2) |
|
|
|
|
|
|
Test conditions:
(1)Use LGOT4175H optical transmitter, 10km. length fiber link and without-source units loss,4% OMI.
(2)Main output level >104dBµV,received optical power 0dBm
Reverse transmission unit:
|
|
Performance |
Unit |
Description |
Note |
DFB |
FP |
RF Input Level |
dBmV |
18 |
18 |
|
Output Optical Power |
mW |
1~4 |
>1 |
|
Input Return Loss |
dB |
<-14 |
<-14 |
|
Flatness |
dB |
±1 |
±1 |
5~200MHz |
Return link description |
C/N |
dB |
>50 |
>45 |
1、2、3 |
CSO |
dBc |
≤-51 |
≤-45 |
1、2、3 |
CTB |
dBc |
≤-55 |
≤-45 |
1、2、3 |
Output Optical Power |
mW |
1~4 |
>1 |
|
Flatness |
dB |
±1 |
±1 |
5~200 MHz |
Wavelength |
nm |
1310 |
1310 |
|
Operating Temperature |
℃ |
-25~+55 |
-25~+55 |
|
|
|
|
|
|
|
Notes:
- Tested with 4 channels(19,25,31,37MHz).
- Tested with 2 channels(13,19MHz).
- Received by standard receiver, 10dB link loss.
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