供应高效局端类语音分离器

主端ADSL分离器 POST PORT IMPEDANCE

Zr:600Ω//54nF

Modem impedance

30 kHz< f< 1104 kHz:

100 Ω

Nominal voice band

0.3 kHz to 3.4 kHz

Insertion loss (Zreal(1))

200Hz-4KHz±0.3dB

with 1002Hz center.

Delay Distortion

500Hz-2.8KHz 150us MAX

DC Loop current

< 100 mA

DC resistance

< 25 Ω

Nominal voice band

0.3 kHz to 3.4 kHz

ADSL band

30 kHz to 1104 kHz

Return loss

300Hz-500Hz >14dB

500Hz-2000Hz >18dB

2000Hz-3400Hz >14dB

Stop band attenuation

30KHz-138KHz >45dB

138KHz-4.4MHz >55dB