ADSL语音分离器生产厂家
一,产品简介
巴西ADSL分离器也中巴西ADSL语音分离器,就是适合巴西市场的ADSL语音分离器,巴西人通常叫ADSL FILTER,ADSL SPLITTER。
二,巴西市场对ADSL分离器的要求
三,巴西局端ADSL分离器
3.1规格要求
POST PORT IMPEDANCE | Zr=600 Ω | |
Insertion loss | @ 1000Hz | <0.3dB |
Distortion | 200 Hz<f<3.4 kHzwith 1000Hz center | <± 1 dB |
Return loss | 300 Hz< f< 500 Hz | >=14 dB |
500 Hz< f< 2000 Hz | >=18 dB | |
2000 Hz< f< 3400 Hz | >=14 dB | |
Longitudinal conversion loss LCL | 50 Hz< f< 600 Hz | > =46 dB |
600 Hz< f< 3400 Hz | >=52dB | |
4000 Hz< f< 30K Hz | >=40dB | |
30K Hz< f< 1104K Hz | >=50dB | |
1104K Hz< f< 5000 KHz | >=30 dB | |
Delay distortion | 200 Hz<f<600Hz | <250 u sec |
600 Hz<f<3200Hz | <200 u sec | |
3200 Hz<f<4000Hz | <250 u sec | |
Insertion resistance | <50 Ω | |
Isolation resistance, branch-branch | 100 VDC; term =∞Ω | >5MΩ |
Stop band attenuation | 30 kHz<f<1104 kHz | >55dB |
3.2巴西局端ADSL分离器图片
四,巴西用户端ADSL分离器
4.1巴西用户端ADSL分离器要求
POST PORT IMPEDANCE | Zr=600 Ω | |
Modem impedance | 30 kHz to 1104K Hz | 100 Ω |
Insertion loss with 1 splitter | @ 1000Hz | <0.8dB |
Insertion loss with parallel 3 splitters | @ 1000Hz | <0.8dB |
Insertion loss distortion with 1 splitter | 300 Hz<f<3.4 kHz | <± 1 dB |
Insertion loss distortion with parallel 3 splitters | 300 Hz<f<3.4 kHz | <± 2dB |
Return loss with 1 splitter | 300 Hz< f< 3400 Hz | >=14 dB |
Return loss with parallel 3 splitters | 300 Hz< f< 3400 Hz | >=14 dB |
Longitudinal conversion loss LCL | 60 Hz< f< 600 Hz | > =40 dB |
600 Hz< f< 3400 Hz | >=46dB | |
| 3400 Hz< f< 30K Hz | >=40dB |
30K Hz< f< 1.1M Hz | >=45dB | |
Delay distortion | 500 Hz<f<2800Hz | 150 u sec |
DC resistance | <25 Ω | |
Isolation resistance, branch-branch | 100 VDC; term =∞Ω | >100MΩ |
ADSL band characteristics | ||
Insertion loss distortion | 30K<f<2208k Hz | <0.25dB |
Stop band attenuation with 1 splitter | 30 kHz<f<1104 kHz | >=40dB |
Stop band attenuation with parallel 3 splitters | 30 kHz<f<1104 kHz | >=40dB |
4.2巴西用户端ADSL分离器图片
用户端ADSL分离器有两种,一种是一进二出,巴西人通常叫ADSL SPLITER。另一种是一进一出的,巴西人通常叫ADSL FILTER。
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五,巴西VDSL分离器
5.1.1巴西用户端VDSL分离器
5.1.2巴西局端VDSL分离器