參數(shù)資料
型號: L8574D
英文描述: CAP 15PF 50V 5% C0G SMD-0402 TR-7-PA SN100
中文描述: L8574D電阻用戶線接口電路(SLIC),環(huán)繼電器和保護(SRP)的為遠距離和TR - 57應(yīng)用
文件頁數(shù): 19/36頁
文件大?。?/td> 489K
代理商: L8574D
Lucent Technologies Inc.
19
Data Sheet
October 1998
Relay, and Protector (SRP) for Long Loop and TR-57 Applications
L8574D Resistive Subscriber Line Interface Circuit (SLIC), Ring
Applications
(continued)
General
(continued)
12-3384.d (F)
* Optional components to improve PSRR by 6 dB.
Figure 5. External Components Required
R1
R2
P
P
P
7
V
R
22
V
B
34
F
23,
40
V
B
R3 100 k
R5 200 k
+5 D
V
CCA
AGND
XMT
V
DD
DGND
+5 D
0.1
F
CV
DD
0.1
μ
F
L8574
RCVN
PT
TS
PR
R10 600 k
RS
V
BF
RSW
C
LIM
33 nF
RTS
0.22
μ
F
C
RT
0.1
μ
F
CBN
CLIM
VF
R
O(n)
B3
CS
B0
B1
B2
CE
PARALLEL DATA
INTERFACE TO
CONTROL LOGIC
NSTAT
IRCV
RGBN
RDO
19
16
15
14
13
12
11
9
44
1
4
GS
X
(n)
1/4
T7504
VF
X
IN(n)
R
RV1
R
HB1
K1
17
18
2, 36
2, 27, 35
RINGING
SUPPLY
19.6 k
C
BIAS1
10
μ
F
20 V
27
8
38
R
BIAS2
19.6 k
C
BIAS2
0.47
μ
F
+
V
FX
C
B1
R4
R6 200 k
R8 1 k
R7 1 k
R
RT
1 M
41
42
31
30
43
25
21
20
33
3
R
CBN3
9.53 k
R
CBN2
301 k
1 M
5.11 k
DG
0.1
μ
F
200
100 k
200
R
CBN1
C
CBN1
R
CBN4
C
CBN2
0.01
μ
F
R
BIAS1
D
SPEED
C
VBAT
0.1
μ
F
RESISTOR
MODULE
R9
20 k
C
GBN
R
RV2
R
GX
C
B2
0.1
μ
F
R
T1
V
FX
XMT
C
2
R
T2
CV
CC
RESISTOR
MODULE
R
CX1
R
GBN
50 k
*
47 pF*
TIP
RING
F1
F2
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