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參數(shù)資料
| 型號： | HC-5502B |
| 廠商： | Intersil Corporation |
| 英文描述： | EIA/ITU PABX SLIC with 30mA Loop Feed |
| 中文描述： | 環(huán)境影響評估/國際電聯(lián)交換機用戶接口以30mA環(huán)路飼料 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 84K |
| 代理商： | HC-5502B |
49
Ground Key Detection Threshold
GKD = V
OL
20
-
-
mA
GKD = V
OH
-
-
10
mA
Loop Current During Power Denial
R
L
= 200
-
±
2
-
mA
Dial Pulse Distortion
0
-
5
ms
Receive Input Impedance
(Note 4)
-
110
-
k
Transmit Output Impedance
(Note 4)
-
10
20
2-Wire Return Loss
SRL LO
Referenced to 600
+2.16
μ
F (Note 4)
-
15.5
-
dB
ERL
-
24
-
dB
SRL HI
-
31
-
dB
Longitudinal Balance
2-Wire Off Hook
1V
RMS
200Hz - 3400Hz, (Note 4)
IEEE Method
0
o
C
≤
T
A
≤
75
o
C
58
65
-
dB
2-Wire On Hook
60
63
-
dB
4-Wire Off Hook
50
58
-
dB
Low Frequency Longitudinal Balance
R.E.A. Method, (Note 4)
R
L
= 600
,
0
o
C
≤
T
A
≤
75
o
C
-
-
23
dBrnC
-
-
-67
dBm0p
Insertion Loss
2-Wire to 4-Wire, 4-Wire to 2-Wire
At 1kHz, 0dBm Input Level, Referenced 600
-
±
0.05
±
0.2
dB
Frequency Response
200 - 3400Hz Referenced to Absolute
Loss at 1kHz and 0dBm Signal Level (Note 4)
-
±
0.02
±
0.05
dB
Idle Channel Noise
2-Wire to 4-Wire, 4-Wire to 2-Wire
(Note 4)
-
1
5
dBrnC
-
-89
-85
dBm0p
Absolute Delay
2-Wire to 4-Wire, 4-Wire to 2-Wire
(Note 4)
-
-
2
μ
s
Trans Hybrid Loss
Balance Network Set Up for 600
Termination at 1kHz
36
40
-
dB
Overload Level
2-Wire to 4-Wire, 4-Wire to 2-Wire
V
B
+ = 5V
1.5
V
PEAK
V
B
+ = 12V
1.75
-
-
V
PEAK
Level Linearity
2-Wire to 4-Wire, 4-Wire to 2-Wire
At 1kHz, (Note 4) Referenced to 0dBm Level
+3 to -40dBm
-
-
±
0.05
dB
-40 to -50dBm
-
-
±
0.1
dB
-50 to -55dBm
-
-
±
0.3
dB
Electrical Specifications
Unless Otherwise Specified, V
B
- = -48V, V
B
+ = 12V and 5V, AG = BG = DG = 0V, Typical Parameters
T
A
= 25
o
C. Min-Max Parameters are Over Operating Temperature Range
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
HC-5502B
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