1.Excellent linearity
2.Extremely return losses
3.Extremely flatness
4.Lower power expense
SUMMARY
BEST-8000 type is a two way optical node and the ideal platform for delivering video (digital or analog) as well as high-speed data services over advanced hybrid fiber/coax (HFC) network; this Optical Node combines the superior proven technologies of both the RF amplifier and optical components. with its modular design of fiber receiver, reverse fiber transmitter and RF amplifier electronics, the BEST-8000 Node can provide the full complement of functions required by advanced networks.
FEATURES
1.Excellent linearity
2.Extremely return losses
3.Extremely flatness
4.Lower power expense
5.Compact construction
6.Package operating with a voltage supply of 12-15V(DC)
7.An electrical output with an impedance of 75Ω
8.The module containan optical receiver and optical transmitter
9.Employing GaAs for amplifier
10.Optical adapted with two SC/APC
11.With two -20dB RF monitor test ports
TECHICS PARAMETERS
SYMBOL | PARAMETER | CONDITIONS | MIN | TYP | MAX | UNIT |
Down-stream Receiver | ||||||
λ | optical wavelength |
| 1290 |
| 1600 | nm |
Vopt.in | monitor voltage | λ=1310 |
| 1 |
| V/mW |
Pin | optical input power | continuous | 0.25 | 1 | 2 | mW |
F | frequency range(option) |
| 53 |
| 870 | MHz |
FL | flatness of frequency response | f=53 to 870MHz |
| ±0.5 |
| dB |
S22 | output return loss |
| 16 | 18 |
| dB |
Lo | refrence output level |
|
| 25 |
| dBmV |
| optical input return losses |
| 45 |
|
| dB |
CTB |
| 59 Pal-D channel loading, |
|
| 61 | dB |
CSO |
|
|
| 60 | dB | |
f | equivalent noice input | f=55MHz |
|
| 7 | pA/Hz |
Up-stream Transmitter | ||||||
λ | optical wavelength |
| 1290 | 1310 | 1600 | nm |
Wout | optical output power |
| -5 | 1 | 2 | mW |
Vopt.in | monitor voltage | λ=1310 |
| 1 |
| V/mW |
LRin | RF input level |
|
| 15 |
| dBmV |
F | frequency range(option) |
| 5 |
| 42 | MHz |
FL | flatness of frequency response | f=5 to 42MHz |
| ±0.5 |
| dB |
S11 | input return loss | f=5 to 42MHz | 16 | 18 |
| dB |
| optical output return loss |
| 45 |
|
| dB |
Itot | total current consumption(DC) | V+=8V |
| 350 |
| mA |
Tmb | operating mounting base temperature |
| -20 |
| +65 | °C |
