am7945 Advanced Micro Devices, am7945 Datasheet - Page 13
am7945
Manufacturer Part Number
am7945
Description
Subscriber Line Interface Circuit
Manufacturer
Advanced Micro Devices
Datasheet
1.AM7945.pdf
(18 pages)
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DC FEED CHARACTERISTICS (continued)
30
25
20
15
10
5
0
0
R
V
BAT
DC1
= –47.3 V
+ R
R
L
DC2
1000
= R
a
b
DC
I
L
b. Loop Current vs. Load Resistance (Typical)
= 18.52 k
Feed current programmed by R
Figure 1. DC Feed Characteristics
A
B
2000
c. Feed Programming
SLIC Products
Load Resistance ( )
SLIC
3000
RDC
RSN
DC1
and R
4000
DC2
R
R
DC1
DC2
5000
C
DC
6000
13
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