參數(shù)資料
型號(hào): AM79R70JC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 模擬傳輸電路
英文描述: Ringing Subscriber Line Interface Circuit
中文描述: TELECOM-SLIC, PQCC32
封裝: PLASTIC, LCC-32
文件頁數(shù): 16/17頁
文件大?。?/td> 271K
代理商: AM79R70JC
P R E L I M I N A R Y
16
Am79R70 Data Sheet
TEST CIRCUITS (continued)
+5 V
H. Am79R70 Test Circuit
VNEG
VCC
R
D
75 k
RD
VTX
RSN
R
RX
300 k
R
DC2
20 k
R
DC1
80 k
C
DC
R
T
RDC
–5 V
VBAT1
DET
D
1
BGND
RYOUT1
HPB
B(RING)
C
HP
HPA
RTRIP2
RTRIP1
A(TIP)
B(RING)
BAT1
VBAT2
2.2 nF
2.2 nF
V
TX
V
RX
B2EN
D
2
BAT2
A(TIP)
0.1 μF
RYOUT2
RYE
C1
C2
C3
D1
D2
E1
R
DCR
RDCR
AGND/
DGND
R
SLEW
100 k
C
SLEW
0.33 μF
RINGIN
R
open
R
open
RSGL
RSGH
R
RT1
430 k
R
RT2
12 k
C
RT
1.5 μF
2.0 k
1.2 μF
See Note.
C
AX
C
BX
18 nF
300 k
0.1 μF
Note:
The input should be 50% duty cycle CMOS-compatible input.
BATTERY
GROUND
ANALOG
GROUND
DIGITAL
GROUND
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