POTS/ISDN Splitter
APC77101
ELECTRICAL SPECIFICATIONS@25°C
OPERATING TEMPERATURE -40°C TO +85°C
Description
ISDN Splitter
LPF
NOTES:
Passband
Frequency
Insertion Loss
max
Return Loss
min
Stopband
Frequency
Attenuation
min
Impedance
DC to 125kHz
0.4 dB
20 dB
800kHz to
7.9MHz
65 dB
150
APPLICATION OF APC77101 POTS/ISDN SPLITTER
- MATCHED IMPEDANCES
- PROVIDES POTS <-> XDSL ISOLATION
- ALLOWS DC LOOP CURRENT OF 100 mA DC MIN
- MINIMIZES LOSSES
- PRESERVES POTS QOS
SCHEMATIC
APC77101 FILTER RESPONSE
volts dBs (0dB=500m) [27C]
0
-10
-20
POTS/
ISDN
-30
DATA
-40
-50
-60
-70
-80
100
("tip" - "out")
300
1k
3k
10k
30k
300k
100k
1M
hertz
MECHANICAL
SUGGESTEDP�
ADLA�
YOUT�
0.700�
17,78�
0.100�
TYP�
2,54�
0.998�MAX�
25,37�
16�
9�
0.010�
TYP�
0,25�
0.720�
18,29�
0.539�
13,95�
1�
0.050�TYP
1,27�
0.120�TYP�
3,05�
8�
0.143�
TYP�
3,65�
0.018�TYP�
0,46�
0.290�
7,37�
0.760� 0.580�
19,30� 14,73�
0.004/0,10�
12SURF�
ACES�
0°-8°�
0.100�
TYP�
2,54�
0.300�
7,62�
0.700�
17,78�
NOTES:
DIMENSIONS INCHES UNLESS OTHERWISE SPECIFIED
MM
ALL TOLERANCES +/- 0.010
0.25
©2003 Bel Fuse Inc. Specifications subject to change without notice. 09.05.03
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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