參數(shù)資料
型號(hào): L7554
廠商: Lineage Power
英文描述: Low-Power SLIC(低功耗用戶線接口(SLIC))
中文描述: 低功耗用戶接口(低功耗用戶線接口電路(SLIC))
文件頁數(shù): 12/28頁
文件大?。?/td> 476K
代理商: L7554
12
Lucent Technologies Inc.
Data Sheet
March 1997
L7554 Low-Power SLIC
Test Configurations
12-2570 (C)
Figure 4. L7554 Basic Test Circuit
B1
NLC
V
BAT
V
BAT
BGND V
CC
AGND
V
CC
0.1 μF
0.1 μF
PT
PR
I
PROG
DCOUT
LCTH
RTSP
RTSN
I
CM
VTR
SN
RCVP
B0
CF1
20 k
20 k
V
REG
XMT
RCVN
NRDET
RGDET
0.1 μF
CF2
R
LOOP
XMT
65 k
10 k
RCV
68.1 k
24.9 k
L7554
SLIC
26 k
VTX
TXI
FB2
FB1
0.1 μF
B2
0.1 μF
100
100
PSRR = 20 log
12-2335.a (C)
Figure 5. Metallic PSRR
PSRR = 20 log
12-2336.a (C)
Figure 6. Longitudinal PSRR
4.7 μF
100
V
BAT
OR
V
CC
DISCONNECT
BYPASS CAP
V
T/R
900
V
BAT
OR V
CC
TP
PR
BASIC
TEST CIRCUIT
+
V
S
S
T/R
---------
V
S
4.7 μF
100
V
BAT
OR
V
CC
DISCONNECT
BYPASS CAP
56.3
V
BAT
OR V
CC
PT
PR
BASIC
TEST CIRCUIT
67.5
10 μF
10 μF
67.5
V
M
+
S
V
M
------
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