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參數(shù)資料
| 型號： | XE0204 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2-Wire/4-Wire Telephone Line Interface |
| 中文描述： | 2-Wire/4-Wire電話線接口 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 39K |
| 代理商： | XE0204 |
XECOM
(4)
XE0204
Power Supply Current
4-Wire Operation
10
16
mA
Transmit Insertion loss
2-Wire line, 1000 Hz, 600 Ohm line
-0.5
0
0.5
dB
Receive Insertion Loss
2-Wire line, 1000 Hz, 600 ohm line
4-Wire line, 1000 Hz, 600 ohm line
-0.5
0
0.5
3.0
dB
dB
0.8
Telephone Line Impedance
At 1800 Hz, (2 and 4 wire Lines)
540
600
660
Ohms
Coupler Match input
Impedance
Output impedance driving RCVR in four-
wire mode
531
536
541
Ohms
Transmit Input Impedance
At 1800 Hz
8
10
12
KOhms
Receive Output Impedance
2 Wire mode, 1800 Hz
10
100
Ohms
Transhybrid Loss
2-wire mode, 1 KHz, 600 ohm line
15
21
dB
Ring Detect Sensitivity
Type B Ringer
38
150
Vrms
Ring Indicate Output
Ring Voltage present on Tip and Ring
0.2
0.5
Volts
Hook Switch Control Voltage
ON: (off-hook)
OFF: (on-hook)
4.0
Volts
Volts
0.8
Hook Switch Control Current
Off-Hook
0.5
mA
/4WIRE Switch
2-Wire
4-Wire
4.0
Volts
Volts
0.8
Loop Current, Tx Pair
Off-hook
0
100
mA
Loop Current, Rx Pair
4-Wire Line
0
mA
Parameter
Conditions
Min
Typ
Max Units
XE0204 Electrical Specifications
(VCC= +5V + 10%, Ta = 0C to 70C)
XE0204 Absolute Maximum Ratings
Supply Voltage - VCC
+6.5 Volts
Storage Temperature
-25
O
C to +85
O
C
Operating Temperature Range
0
O
C to +70
O
C
Maximum Lead Temperature
(soldering 2 seconds per wave)
260
O
C
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