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參數資料
| 型號： | L8567 |
| 英文描述： | SLIC for Peoples Republic of China Applications |
| 中文描述： | 為人民共和國的中國用戶接口的應用 |
| 文件頁數： | 25/42頁 |
| 文件大?。?/td> | 701K |
| 代理商： | L8567 |
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Lucent Technologies Inc.
25
Data Sheet
August 1999
People’s Republic of China Applications
L8567 SLIC for
Applications
(continued)
Table 15. Parts List for Loop Start Application
Name
Value
Function
Integrated Circuits
SLIC
Protector
Ringing and Test Access
Codec
L8567
Crowbar Protector
1
L7583B
T7507
Subscriber loop interface circuit (SLIC).
Secondary protection.
Switches ringing signals and test buses.
Transmit/receive gains, termination impedance, hybrid
balance, D/A, A/D, and filtering.
1. Contact your Lucent Technologies account representative for protector recommendations. Choice of this (and all) component(s) should be
evaluated and confirmed by the customer prior to use in any field or laboratory system. Lucent does not recommend use of this part in the
field without performance verification by the customer. This device is suggested by Lucent for customer evaluation. The decision to use a
component should be based solely on customer evaluation.
Overvoltage Protection
R
PT
R
PR
Power Supply
C
BAT1
/C
BAT2
C
CC
C
DD
C
F1
C
F2
dc Profile
R
PROG
R
PWR
(with single battery supply) 2.2 k
, 5%, 2 W
50
50
Protection resistor. PTC or fusible.
Protection resistor. PTC or fusible.
0.1
μ
F, 20%, 100 V
0.1
μ
F, 20%, 10 V
0.1
μ
F, 20%, 10 V
0.47
μ
F, 20%, 100 V
0.1
μ
F, 20%, 100 V
V
BAT
filter capacitors.
V
CC
filter.
V
DD
filter.
With C
F2
, improves idle-channel noise.
With C
F1
, improves idle-channel noise.
63.4 k
, 1%, 1/16 W
Sets dc loop current limit.
Limits power dissipated on the SLIC, provides dc
power to the loop.
ac Characteristics
C
B2
R
TG
Supervision
R
TS1
R
TS2
0.1
μ
F, 20%, 100 V
7.87 k
, 1%, 1/16 W
ac/dc separation capacitor.
Sets SLIC transconductance.
402
, 5%, 2 W
274 k
, 1%, 1/16 W
Ringing source series resistor.
With C
RTS2
, forms first pole of a double pole, 2 Hz ring
trip sense filter.
With R
TSN
, R
TSP
, forms second 2 Hz filter pole.
With R
TS2
, forms first 2 Hz filter pole.
With C
RTS1
, R
TSP
, forms second 2 Hz filter pole.
With C
RTS1
, R
TSN
, forms second 2 Hz filter pole.
C
RTS1
C
RTS2
R
TSN
R
TSP
0.022
μ
F, 20%, 5 V
0.27
μ
F, 20%, 100 V
2 M
, 1%, 1/16 W
2 M
, 1%, 1/16 W
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相關代理商/技術參數 |
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| L8575 | 制造商:Leviton Manufacturing Co 功能描述: |
| L8576B | 制造商:AGERE 制造商全稱:AGERE 功能描述:Dual Ringing SLIC |
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