Optical transmitter
The designed transmission distance is 60km,the products' case are Standard rack 19 " in 1U.
Features:
■Used DFB lasers ,have ATC and APC function
■ Used internally modulated RF/optical signal conversion
■ Ultra-low noise design
■ Adopt hot plug card design
■ Waveforms are not easilly distorted
■ Have RF and optical power detection
Technical parameters of products
|
Num of ways |
Frequency |
Model |
signal direction |
Frequency range |
Environment |
|
2 |
L |
RoF-LT2IB |
T |
0.95-2.7GHz |
I |
|
2 |
L |
RoF-LR2IB |
R |
I |
|
|
2×2 |
L |
RoF-LM2×2OB |
M |
O |
|
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Frequency range |
0.95-2.7GHz |
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Functions |
Have 2 ways L band Signal transmission function through optical fiber |
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Have reverse 10M analog signal transmission function |
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Used temperature controlled laser |
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Have transmission distance（or optical loss）adaptive parameter adjustment function |
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Wavelength |
1310nm |
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Wavelength stability |
≤ ±1nm（-40℃～+70℃） |
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Input power |
-60dBm～-20dBm |
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Input Saturation power |
≥ -10dBm（maximum gain） |
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Transmission distance |
0km～60km |
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Input/Output SWR |
≤1.5 |
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Noise Figure |
≤15dB（maximum gain /deembed of transmission line); |
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Reverse 10MHz Transmission performance index |
Frequency range: 10MHz |
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Input/Output power range:(6±2)dBm |
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connector |
AC input connector:AC 220V±22V 50Hz±1Hz/with three-core power outlet; |
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RF input Output connector:N-50K |
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10M analog signal input Output connector:SMA-50K |
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Input /Output connector:FC-APC |
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Parameter |
Index |
Comment |
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Input RF frequency range |
30MHz～2700MHz |
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Input RF power range |
- 60～+10dBm |
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Noise Figure |
≤35dB |
Measure back to back with receiving light module |
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Output power |
10dBm±0.5dBm(constant power output) |
Have APC function，can close |
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Isolation |
55dB |
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Transmit power detection |
Range -5～+10dBm，Error±0.5dB |
Output power 0～5V |
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Laser RIN |
≤-155dB |
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Laser package mold |
DFB coaxial package |
With TEC module |
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Receiving module |
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Output RF frequency range |
30MHz～2700MHz |
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Input power range |
-10～+10dBm |
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Received power detection |
Range -5～+10dBm，Error±0.5dB |
Output power 0～2.5V |
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Receiving module PIN diode responsibility |
≥0.85 |
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