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參數(shù)資料
| 型號： | 755M-20-079-L75-25-SA |
| 廠商： | EMCORE CORP |
| 元件分類： | 光發(fā)射 |
| 英文描述： | FIBER OPTIC TRANSMITTER, SC/APC CONNECTOR |
| 封裝： | ROHS COMPLIANT PACKAGE |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 2391K |
| 代理商： | 755M-20-079-L75-25-SA |
3
DATASHEET| AUGUST 6, 2008
EMCORE CORPORATION
Model 755M Optical Transmitter
RF Characteristics
The following specifications are reference at 25C. The test receiver responsivity of 0.95 A/W (at 1550 nm) and an
equivalent noise current of 7pA/rt(Hz). Test fiber is single mode, Corning SMF-28 (or equivalent) with 0.25 dB/km
maximum loss (at 1550 nm). In order to prevent reflection-induced distortion, the transmitter subassembly must be
connected to an optical cable with discrete reflections < -55 dB and distributed reflections < -30 dB.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
Operating Temperature Range
Top
-
0
-
50
°C
CATV Response Flatness
S21-CATV
47MHz - 1002MHz,
Peak to Valley
-
1.5
dB
Test Port Response Flatness
S21-TP
Relative to 75 Ohm Input
-1
-
1
dB
CATV Input Return Loss
S11-CATV
47 MHz – 1002 MHz, 75
16
-
dB
Test Port Return Loss
S11-TP
47 MHz – 1002 MHz, 75
16
-
dB
RF Test Point Level
Pout-TP-CATV
Relative to 75 Ohm
Input Level
-21
-20
-19
dBm
CATV RF input power detection range
-
Note 1
-20
-
-9.7
dBm
AGC Range
-
Perform to specification
-3
+3
dB
L-Band Response Flatness
S21-Lband
950MHz – 2600 MHz,
Peak to valley
-
3.5
dB
L-Band Return Loss
S11-LBand
950MHz – 2600 MHz
16
-
dB
L-Band Input Level
Pin-LBand
-
-0.5
0
+0.5
dBm
L-Band Input C/I (3rd Order)
F1=2000MHz, F2=2000.5MHz
2-tone @ -3dBm/tone
Rx Opt Power = 0dBm
CATV Input with Loading specified
in CATV 75
Input Option
-
-60
dBc
1. Detects RF power of CATV input port only. The total input power is defined in section 3.10 and 3.11. The input RF power detector
can handle the input power range between +5 to –10dB range from the nominal input power level.
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