1754C 查看數據表（PDF） - Emcore Corporation
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1754C Datasheet PDF : 7 Pages
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1754C C-Band DWDM DFB Laser Module
DATASHEET | DECEMBER 2013
FIBER OPTICS
RF Characteristic
Laser Temperature (TL) = 25oC, IF=IOP, Beginning of Life (BOL)
Parameter
Symbol
Condition
Min
Carrier-to-Noise Ratio (1)
CNR
79 NTSC, 3.3% OMI
1 m fiber min, 4.2 MHz NBW
52
Composite Second-Order(1)
Composite Triple Beat(1)
CSO
79 NTSC, 3.3% OMI
1 m fiber min
CTB
79 NTSC, 3.3% OMI
1 m fiber min
-
Frequency Response Flatness
RF Return Loss
resistive match 50 to 25 pad
40 MHz to 890 MHz
IF = 60 mA, TOP = 25C
-
|S21|
5 MHz to 2700 MHz
IF = 60 mA, TOP = 25C
|S11|
5 MHz to 2700 MHz
IF = 60 mA, TOP = 25C
16
Carrier-to-Noise Ratio(2)
Composite Second-Order(2)
CNR
Channel Loading: Frequencies set
51
at 7, 13, 19, 25, 31, and 37 MHz
Receiver thermal noise 8 pA*Hz-0.5
CSO
-
Photodiode responsivity ~1.1 A/W
Composite Triple Beat(2)
CTB
Noise Bandwidth 4.2 MHz
-
Typ
Max
-
-
-55
-64
-
1
4
-
-
-
-
-
-50
-
-60
Units
dB
dBm
dBc
dBp-p
dBp-p
dB
dB
dBm
dBc
(1). Broadband Forward Path
(2). Return Path. Guaranteed by design, not to test in production.
In order to prevent reflection-induced distortion, the laser must be connected to an optical cable having a return loss of at least 55 dB for discrete
reflections and 30 dB for distributed reflections.
ITU Grid Channel Numbering
Channel
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
Wavelength
(nm)
1526.44
1529.22
1527.99
1528.77
1529.55
1530.33
1531.12
1531.90
1532.68
1533.47
1534.25
1535.04
1535.82
1536.61
1537.40
1538.19
1538.98
Channel
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
Wavelength
(nm)
1539.77
1540.56
1541.35
1542.14
1542.94
1543.73
1544.53
1545.32
1546.12
1546.92
1547.72
1548.51
1549.32
1550.12
1550.92
1551.72
1552.52
Channel
30
29
28
27
26
25
24
23
22
21
20
19
18
Wavelength
(nm)
1553.33
1554.13
1554.94
1555.75
1556.56
1557.36
1558.17
1558.98
1559.79
1560.61
1561.42
1562.23
1563.05
| REV 2013.12
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.
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