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參數(shù)資料
| 型號(hào)： | HC5520CQ |
| 廠商： | Harris Corporation |
| 英文描述： | CO/PABX Polarity Reversal Subscriber Line Interface Circuit |
| 中文描述： | 二氧化碳/極性反轉(zhuǎn)交換機(jī)用戶(hù)線(xiàn)接口電路 |
| 文件頁(yè)數(shù)： | 17/20頁(yè) |
| 文件大?。?/td> | 191K |
| 代理商： | HC5520CQ |
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17
Typical Application Circuit Diagram
NOTE: The HC5520 application circuit is configured to provide a receive gain of 0dB, a transmit gain of 0dB, and a synthesized 2W imped-
ance of 593
. Note, the value of R
TPS
, R
RGS
should always be selected to be 100k
.
TIPSEN
TIP
RING
RINGSEN
R
PSG
R
PST
R
PSR
R
PSB
R
BH
R
BL
RGND
TA
TB
RD
TAI
TBI
RCI
PDI
PRI
TSDO
SHDO
R
X
R
N
K
ZO
T
X4W
T
X
C
DC
R
DC
C
RTD
C
P
V
CC
AGND
V
EE
BGND
V
BAT
910
0.47
μ
F
0.47
μ
F
1
μ
F
1
μ
F
4.7
μ
F
C
RTD
+5V
+5V
TEST
ACCESS
RELAY
RING
RELAY
0.1
μ
F
V
RX
V
TX
HC5520
TO RING
GENERATOR
R
CP
R
TPS
R
RGS
R
PST
R
PR
R
PT
R
N
R
KZO
C
P
-5V
C
DC
R
DC
-5V
-48V
0.1
μ
F
0.1
μ
F
0.1
μ
F
+5V
TIP
RING
±
5V GND
BATTERY GND
R
PSR
R
BH
237K
R
BL
R
BAL
CVRX
C
VTX
R
4W
R
X
EARTH GROUND
GROUND PLANE
SURGECTOR
1
237K
100K
50
100K
50
910
RELAY
RELAY
RELAY
2.15K
200
15.4K
6.49K
100K
100K
HC5520
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