| |
Performance |
Index |
Supplement |
Optic feature |
Operation wavelength |
(nm) |
1210~1600 |
B9428/NC |
1540~1560 |
B9428/WF, B9428/WD |
| Input wavelength |
(nm) |
1310, 1490/1550 |
| Pass wavelength |
(nm) |
1310, 1490 |
| Channel Isolation |
(dB) |
≥40 |
1550 &1490nm |
| Responsivty |
(A/W) |
≥0.85 |
1310nm |
≥0.9 |
1550nm |
| Receiving power |
(dBm) |
+3 ~ -12 |
|
| Optical return loss |
(dB) |
≥55 |
|
| Optical fiber connector |
|
SC/APC |
B9428/WD: LC/APC |
RF feature |
Work bandwidth |
(MHz) |
47 ~ 862 |
|
| Flatness |
(dB) | ≤±1.0 |
|
| Output level |
(dBμV) | 88 |
Pin: -5dBm |
| Output level adjust |
(dB) |
0 ~ 18 |
MGC |
| Return loss |
(dB) | ≥14 |
47 ~ 862MHz |
| Output impedance |
(Ω) |
75 |
|
| Output port number |
| 4 |
|
| RF tie-in |
| F-Female |
|
| Link feature |
Test channel |
CH | PAL-D/59CH |
NTSC/80CH |
| OMI |
(%) |
3.8 |
|
CNR1 |
(dB) |
56.6 |
Pin: -2dBm |
CNR2 |
(dB) |
48.5 |
Pin: -8dBm |
CTB |
(dB) |
≤-63 |
Vo≤88dBμV |
CSO |
(dB) |
≤-63 |
Vo≤88dBμV |
| HUM |
(dB) |
≤-60 |
|
General feature |
Power supply |
(V) |
+12VDC |
±1.0V |
| Power Consume |
(W) |
≤3 |
+12VC, 190mA |
| Work temp |
(℃) |
-20 ~ +50 |
|
| Storage temp |
(℃) |
-40 ~ 85 |
|
| Work relative temp |
(%) |
5 ~ 59 |
|
| Size (W)×(D)×(H) |
|
4.6×2.9×1.1 ( " )
118×73×29 ( mm ) |
|
 Test data  Diagram 1: Built-in PAD is 0dB attenuate:
Pin(dBm) |
-5 |
-6 |
-7 |
-8 |
-9 |
-10 |
-11 |
Vo(dBμV) |
88 |
86 |
84 |
82
| 80
| 78
| 76
|
CNR(dB) |
52 |
51 |
49.5 |
48.5 |
47 |
45 |
44.3 |
CTB(dB) |
63 |
66 |
68 |
68 |
70 |
68 |
67 |
CSO(dB) |
72 |
72 |
74 |
74
| 69
| 68
| 67
|
Diagram 2: Built-in PAD is 7dB attenuate:
Pin(dBm) |
-1 |
-2 |
-3 |
-4 |
-5 |
-6 |
-7 |
-8 |
-9 |
-10 |
-11 |
Vo(dBμV) |
89 |
87 |
85 |
83 |
81 |
79 |
77
| 75
| 73
| 71
| 69
|
CNR(dB) |
57 |
56 |
55 |
54 |
53 |
51.5 |
49.5 |
48 |
47 |
45 |
44 |
CTB(dB) |
62 |
63 |
66 |
66 |
68 |
68 |
68 |
68 |
68 |
68 |
64 |
CSO(dB) |
70 |
72 |
75 |
74 |
73 |
70 |
70
| 68
| 66
| 65
| 62
|
Remark: 1. Test condition: PAL-D59CH, OMI=3.8%
2. Vo is output level of each port
3. Test sample: B9428
Product series
Model |
Input wavelength |
Operating wavelength |
Pass wavelength |
Fiber connector |
B942/NC |
1310/1550nm |
1210~1600nm |
-
| SC/APC
|
B9428/WD |
1310, 1490/1550nm |
1540~1560nm |
1310~1490nm |
LC/APC |
B9428/WF |
1310, 1490/1550nm |
1540~1560nm |
- |
SC/APC |
Model explanation
|
