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1 Port ADSL Single-Line Filter
1 Port ADSL Single-Line Filter
Adsl splitter/filter can eliminate the interference between data signal and voice signal transmitted in the same telephone line and make the internet and telephone go both at the same time(Data signal for internet voice signal for telephone)
The structure of Adsl splitter/filter: One RJ11 at one end for line.
a telephone line at other end
Specification:
POST PORT IMPEDANCE |
| Zr=600 Ω |
Modem impedance | 30 kHz to 2208 KHz | 100 Ω |
Insertion loss | @ 1004 Hz | <0.3dB |
With 5 filters | 200 to 3.4 kHz | < 2.5 dB |
3.4 kHz to 4 kHz | < 4 dB | |
Attenuation distortion between 600 ohms resistive single filter(relative to 1004 Hz) | 200 Hz<f<3.4 kHz | <0.3dB |
3.4 kHz to 4 kHz | <0.75dB | |
Return loss(LINE to PHONE) | SRL-L | >=12dB |
| ERL | >=10dB |
| SRLH | >=5dB |
Return loss(PHONE to LINE) | SRL-L | >=13dB |
| ERL | >=9dB |
| SRLH | >=3dB |
Longitudinal conversion loss LCL | 200 Hz to 1 kHz | > 58 dB |
| 1 kHz to 3 kHz | >53 dB |
DC resistance |
| <12 Ω |
Delay distortion | 200Hz to 4 kHz | <100 u sec |
Isolation resistance | Tip to Ring | >10MΩ |
Stop band attenuation | 30 kHz<f<300 kHz | >26 dB |
| 300 kHz<f<2208 KHz | >65dB |
