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參數(shù)資料
| 型號(hào)： | L7557 |
| 廠商： | Lineage Power |
| 英文描述： | Low-Power SLICs （electronic subscriber loop interface circuits ）with Battery Switch(帶電池開(kāi)關(guān)的低功耗用戶(hù)環(huán)路線(xiàn)接口電路（SLIC）) |
| 中文描述： | 低功耗SLIC組件（電子用戶(hù)環(huán)路接口電路）與電池開(kāi)關(guān)（帶電池開(kāi)關(guān)的低功耗用戶(hù)環(huán)路線(xiàn)接口電路電路（SLIC）） |
| 文件頁(yè)數(shù)： | 13/28頁(yè) |
| 文件大小： | 753K |
| 代理商： | L7557 |
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Lucent Technologies Inc.
13
Data Sheet
January 2000
with Battery Switch
L7556, L7557 Low-Power SLICs
Test Configurations
(continued)
12-2583.b (F)
Figure 6. Longitudinal PSRR
V
S
= 0.5 Vrms 30% AM 1 kHz MODULATION,
f = 500 kHz
—1 MHz
DEVICE IN POWERUP MODE, 600
TERMINATION
5-6756.b (F)
*
HP
is a registered trademark of Hewlett-Packard Company.
Figure 7. RFI Rejection
12-2585.a (F)
Figure 8. Longitudinal Impedance
12-2582.b (F)
Figure 9. Metallic PSRR
12-2587.e (F)
Figure 10. ac Gains
V
S
4.7
μ
F
100
V
BAT
OR
V
CC
DISCONNECT
BYPASS CAPACITOR
56.3
V
BAT
OR V
CC
TIP
RING
BASIC
TEST CIRCUIT
PSRR = 20logV
S
V
M
67.5
10
μ
F
10
μ
F
67.5
V
M
–
+
BASIC TEST
CIRCUIT
TIP
RING
V
BAT
0.01
μ
F
0.01
μ
F
600
2.15
μ
F
82.5
82.5
HP
* 4935A
TIMS
50
1
2
4
6, 7
LB1201
V
S
TIP
RING
BASIC
TEST CIRCUIT
+
–
+
–
I
LONG
I
LONG
V
PT
V
PR
Z
LONG
= V
OR
PT
V
PR
I
LONG
V
S
4.7
μ
F
100
V
BAT
OR
V
CC
DISCONNECT
BYPASS CAPACITOR
V
T/R
V
BAT
OR
V
CC
TIP
RING
BASIC
TEST CIRCUIT
+
–
PSRR = 20log
V
S
V
T/R
900
TIP
RING
BASIC
TEST CIRCUIT
600
V
T/R
+
–
G
XMT
=
V
XMT
V
T/R
G
RCV
=
V
T/R
V
RCV
XMT
RCV
V
S
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