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HANGZHOU HUATAI OPTIC TECH. CO., LTD
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Product Classification |
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NGB9921
AGC, SNMP Bi-direction Optical receiver |
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 Downstream technical index |
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| Performance |
Index |
Supplement |
| Optical feature |
Operating wavelength |
(nm) |
1260~1620 |
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Response degrees |
(A / W) |
>0.85 |
1310nm |
| >0.9 |
1550nm |
Optical AGC control range |
(dBm) |
-7~+3 |
Expanded to -10~+3 |
Optical return loss |
(dB) |
≥50 |
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Fiber linker |
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LC / APC |
OptionalSC / APC , FC / APC |
RF feature |
Operating Bandwidth |
(MHz) |
47~1050 |
NGB9921-0 |
| 52~1050 |
NGB9921-4 |
| 88~1050 |
NGB9921-6 |
Flatness |
(dB) |
≤±1.0 |
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Output level |
(dBμV) |
112±1.0 |
Pin:-7.0~+3.0dBm |
Max, output level |
(dBμV) |
120 |
Pin:-7.0~+3.0dBm |
AGC feature |
(dB) |
≤±1.0 |
Pin:-7.0~+3.0dBm |
Output level adjust range |
(dB) |
-20~0 |
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Output slope adjustment range |
(dB) |
-10~0 |
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Return loss |
(dB) |
≥14 |
47~1050MHz |
| Output Impedance |
(Ω) |
75 |
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| RF connector |
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F-Female |
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| Link feature |
Test channel |
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59CH ( PAL-D ) |
47~550MHz analog |
Digital QAM |
550-1050MHz |
| OMI |
(%) |
3.8 |
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| CNR |
(dB) |
≥52 |
Pin = -2.0dBm |
CTB |
(dB) |
≥-65 |
Vo = 108 dBμV |
CSO |
(dB) |
≥-63 |
Vo = 108 dBμV |
HUM |
(dB) |
≥-63 |
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Upstream technical index |
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 Non-burst modeulation return mode
| Performance |
Index |
Supplement |
Return transmit feature |
Optical emission wavelength |
(nm) |
1310 |
43×4, 63×4 |
1550 |
45×4, 65×4 |
1590 |
49×4, 69×4 |
1610 |
46×4, 66×4 |
Laser type |
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DFB |
4×D4, 6×D4 |
FP |
4×F4, 6×F4 |
Optical output power |
(dBm) |
2~4 |
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RF operating bandwidth |
(MHz) |
5~42 |
NGB9921-4 |
5~65 |
NGB9921-6 |
Input level |
(dBμV) |
85~90 |
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Input Impedance |
(Ω) |
75 |
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Butst modeulation return
| Performance |
Index |
Supplement |
Return transmit feature |
Optical wavelength |
(nm) |
1310 |
43×4, 63×4 |
1550 |
45×4, 65×4 |
1590 |
49×4, 69×4 |
1610 |
46×4, 66×4 |
Laser type |
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DFB |
4×D4, 6×D4 |
FP |
4×F4, 6×F4 |
Optical output power |
(dBm) |
2~4 |
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RF operating bandwidth |
(MHz) |
5~42 |
NGB9921-4 |
5~65 |
NGB9921-6 |
| Flatness |
(dB) |
≤±1.0 |
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Input Impedance |
(Ω) |
75 |
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| RF reutrn loss |
(dB) |
≥16 |
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| RF intput level |
(dBmV) |
10~25 |
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General feature |
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| Performance |
Index |
Supplement |
General feature |
SNMP network management interface |
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RJ45 |
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| Power supply |
(V) |
AC ( 150~265 ) V |
AC220 |
AC ( 35~90 ) V |
AC60 |
Power consumption |
(W) |
≤25 |
With return mode ≤32 |
| Work Temp. |
(℃) |
-40~60 |
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Storage temp. |
(℃) |
-40~65 |
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Relative humidity |
(%) |
5~59 |
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Size (W)×(D)×(H) |
( ” ) |
1.5”×4.8”×4” |
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| (nm) |
191.5×122.5×100.5 |
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Structure diagram |
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Product series |
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Model |
Upstream RF bandwidth |
Downstream RF bandwidth |
Upstream wavelength |
Laser type |
Upstream optic power |
upstrem mode |
NGB9921-0000 |
Without |
47~1050MHz |
Without |
Without |
Without |
Without |
NGB9921-口3D4 |
5~42MHz or 5~65MHz |
54~1050MHz or 87~1050MHz |
1310nm |
DFB |
2~4dBm |
Non- burst modulation return |
NGB9921-口3F4 |
FP |
NGB9921-口5D4 |
1550nm |
DFB |
NGB9921-口5F4 |
FP |
NGB9921-口9D4 |
1590nm |
DFB |
NGB9921-口9F4 |
FP |
NGB9921-口6D4 |
1610nm |
DFB |
NGB9921-口6F4 |
FP |
NGB9921-口3D4 |
5~42MHz or 5~65MHz |
54~1050MHz or 87~1050MHz |
1310nm |
DFB |
2~4dBm |
Burst modulation renturn |
NGB9921-口3F4 |
FP |
NGB9921-口5D4 |
1550nm |
DFB |
NGB9921-口5F4 |
FP |
NGB9921-口9D4 |
1590nm |
DFB |
NGB9921-口9F4 |
FP |
NGB9921-口6D4 |
1610nm |
DFB |
NGB9921-口6F4 |
FP |
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Model explanation |
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Copyright © 2006-2007 Hangzhou Huatai Optic Tech Co., Ltd. All rights reserved. Zhejiang ICP keep on record: 05003023
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Structure diagram OF NGB9921