ISDN / ADSL CO Splitter Filter
0802-1000-32
FEATURES
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•
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ISDN over ADSL Central Office (CO) splitter
Designed to meet ETSI specifications TS 101 952-1-3 v1.1.1
LPF matched to 150 ohms line impedance for ISDN 4B3T applications
SPECIFICATIONS @ 25° C
Parameter
Frequency
Requirement
ISDN Impedance
1.0 kHz to 80 kHz
150 Ohms
1.0 kHz to 60 kHz
60 kHz to 80 kHz
1.0 kHz to 60 kHz
60 kHz to 80 kHz
-1.2dB MAX
-2.0 dB MAX
-16 dB MIN
-14 dB MIN
ISDN Insertion Loss
ISDN Return Loss
ISDN Group Delay
1.0 kHz to 80 kHz
<20us MAX
-65 dB MIN
Stop Band Attenuation
150 kHz to 1104 kHz
Isolation For ADSL
DC Current
170 kHz to 1104 kHz
DC
<1 dB
60 mA
DC Resistance
DC
12.5 Ohms MAX
BLOCK DIAGRAM
©2004 Bel Fuse Inc. Specifications subject to change without notice. 10.07.04
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
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