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參數(shù)資料
| 型號： | L9214A |
| 廠商： | Lineage Power |
| 英文描述： | Low-Cost Ringing SLIC(低價格振鈴用戶環(huán)路接口電路) |
| 中文描述： | 低成本振鈴用戶接口（低價格振鈴用戶環(huán)路接口電路） |
| 文件頁數(shù)： | 40/44頁 |
| 文件大?。?/td> | 964K |
| 代理商： | L9214A |
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Preliminary Data Sheet
October 2000
Low-Cost Ringing SLIC
L9214A/G
40
Lucent Technologies Inc.
ac Applications
(continued)
Design Examples
(continued)
Third-Generation Codec ac Interface Network—Complex Termination
(continued)
Table 17. L9214 Parts List for Lucent T8536 Third-Generation Codec Meter Pulse Application ac and dc
Parameters; Fully Programmable
*
For loop stability, increase to 50
minimum if synthesizing 900
or 900
+ 2.16
μ
F termination impedance.
Name
Fault Protection
R
PT
R
PR
Protector
Power Supply
C
VBAT1
C
VBAT2
D
BAT1
C
CC
C
F1
C
F2
dc Profile/Ringing/Ring Trip
R
IPROG
R
IREF
C
RT
R
RT1
R
RT2
C
FB1
Value
Tolerance
Rating
Function
30
30
1%
1%
—
Fusible or PTC Protection resistor
*
.
Fusible or PTC Protection resistor
*
.
—
Secondary protection.
Lucent L7591
0.1
μ
F
0.1
μ
F
1N4004
0.1
μ
F
0.47
μ
F
0.1
μ
F
20%
20%
—
20%
20%
20%
100 V
50 V
—
10 V
100 V
100 V
V
BAT
filter capacitor.
V
BAT
filter capacitor. |V
BAT2
| < |V
BAT1
|.
Reverse current.
V
CC
filter capacitor.
Filter capacitor.
Filter capacitor.
6.49 k
28.7 k
1.0
μ
F
133 k
75 k
0.01
μ
F
1%
1%
20%
1%
1%
20%
1/16 W
1/16 W
10 V
1/16 W
1/16 W
100 V
With R
IREF
, fixes dc current limit.
With R
IPROG
, fixes dc current limit.
Ring trip filter capacitor.
Ring trip filter resistor.
Ring trip filter resistor.
With C
FB2
, slows rate of battery reversal. Sets crest fac-
tor of balanced power ring signal.
With C
FB1
, slows rate of battery reversal. Sets crest fac-
tor of balanced power ring signal.
C
FB2
0.01
μ
F
20%
100 V
ac Interface
R
GX
R
CR
C
CC1
C
TX
C
C1
4750
10 k
270 pF
0.1
μ
F
0.1
μ
F
1%
5%
20%
20%
20%
1/16 W
1/16 W
10 V
10 V
10 V
Sets T/R to VITR transconductance.
Compensation resistor.
Compensation capacitor.
ac/dc separation.
dc blocking capacitor.
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| L9217A | 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Cost Line Interface with Reverse Battery and PPM |
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| L9219A | 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Cost Line Interface with Reverse Battery and Dual Current Limit |
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