CPF127F Ver la hoja de datos (PDF) - YCL Electronics
Número de pieza
componentes Descripción
Fabricante
CPF127F Datasheet PDF : 10 Pages
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Product Specification
4.2. Electrical specification:
4.2.1. ISDN requirement :
CPF127F
Splitter parameter
Electrical requirements
Range
values
ISDN band(3dB bandwidth)
DC to 94KHz
ADSL band
138KHz –2208KHz
Nominal impedance
Line impedance ZL
150 ohm
CO impedance ZTc
150 ohm
RT impedance ZTr
150 ohm
Modem impedance
Current voice band
100 ohm
Loop current
DC resistance
80mA
DC resistance
<=12.5 ohm
Isolation resistance tip/ring 100 Vac
>5 M ohm
ISDN band characteristic
Delay distortion
300Hz<f<80KHz
<=20 µs
300Hz<f<30KHz
>40 dB
Longitudinal balance
30KHz<f<1104KHz
>50 dB
1104KHz<f<5MHz
>30 dB
Splitter parameter
Range
Value
Port
Modem ISDN/POTS Line
Insertion Loss
1KHz<f<60KHz
<1.2dB
ZADSL 150
150
60KHz<f<80KHz
<2.0 dB
ZADSL 150
150
1KHz<f<60KHz
<1.5dB
NA 150
150
60KHz<f<80KHz
<2.5 dB NA 150
150
Return Loss
1KHz<f<60KHz
≥16 dB
ZADSL 150
150
60KHz<f<80KHz
≥14 dB
ZADSL 150
150
1KHz<f<60KHz
≥16 dB
NA 150
150
60KHz<f<80KHz
≥14 dB
NA 150
150
138KHz<f<2208KHz >55 dB
ZADSL
ZRHF
100
Stop Band Attenuation
138KHz<f<150KHz >55 dB
ZADSL
ZISDN
100
150KHz<f<1104KHz >65 dB
ZADSL
ZISDN
100
1104KHz<f<2208KHz >55 dB
ZADSL
ZISDN
100
120KHz<f<170KHz <3 dB
ADSL insertion loss
170KHz<f<1104KHz <1 dB
100 NA
100
Data sheet subject to change without notice
RDPS-POTS485(R0)03/28/2003
SHEET 5 OF 10
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