參數(shù)資料
型號(hào): HC5520
廠商: Harris Corporation
英文描述: resistor
中文描述: 二氧化碳/極性反轉(zhuǎn)交換機(jī)用戶線接口電路
文件頁(yè)數(shù): 11/20頁(yè)
文件大小: 191K
代理商: HC5520
11
V
RINGING
R
BL
R
BH
R
BH
R
BL
R
BAL
RD
200
1600
V
BAT
20k
C
RTD
1
F
C
RTD
-5V
FIGURE 8. RING TRIP DETECTION TEST CIRCUIT
PARAMETER
INPUT
MEASUREMENT
SPECIFICATIONS
No Ring Trip Detection
SW = Up
SHDO
SHDO = Hi
Ring Trip Detection
SW = Down
SHDO
SHDO = Lo
SHDO
R
X
T
X
T
X4W
SW
R
PT
R
PR
50
R
RGS
R
TPS
100k
50
100k
TIP
TIPSEN
RING
RINGSEN
HC5520
TIP
RING
R
X
100k
C
VRX
0.47
μ
F
C
VTX
0.47
μ
F
V
RX
V
TX
100k
3
1
2
1k
2
R
4W
90%
90%
V
T
V
R
POLARITY REVERSAL COMMAND
t
REV
FIGURE 9. POLARITY REVERSAL TIME TEST CIRCUIT AND WAVEFORMS
PARAMETER
INPUT
MEASUREMENT
SPECIFICATIONS
Polarity Reversal Time
Reversal Command
t
REV
t
REV
1800
PRI
R
X
T
X
T
X4W
R
PT
R
PR
R
RGS
R
TPS
100k
50
100k
50
TIP
TIPSEN
RING
RINGSEN
HC5520
TIP
RING
RX
100k
C
VRX
0.47
μ
F
C
VTX
0.47
μ
F
V
RX
V
TX
100k
R
4W
V
T
V
R
HC5520
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