參數(shù)資料
型號(hào): XRT59L91
廠商: Exar Corporation
英文描述: Single-Chip E1 Line Interface Unit(單片E1 線接口單元)
中文描述: 單芯片E1線路接口單元(單片素E1線接口單元)
文件頁(yè)數(shù): 7/28頁(yè)
文件大?。?/td> 292K
代理商: XRT59L91
XRT59L91
7
Rev. P2.00
Preliminary
RECEIVER ELECTRICAL CHARACTERISTICS
T
A
=-40 to 85°C, V
DD
=3.3V±5%, unless otherwise specified.
Parameter
Receiver Loss of Signal:
Threshold to Assert
Threshold to Clear
Time Delay
Hysteresis
Receiver Sensitivity
Min
Typ
Max
Unit
Test Conditions
12
11
10
-
11
20
15
-
5
13
-
dB
dB
bit
dB
dB
Cable attenuation @ 1024KHz
255
-
-
per ITU-G.775
Below nominal pulse amplitude of 3.0V
for 120
W
and 2.37V for 75
W
applications.
With -18dB interference signal added.
Interference Margin
Input Impedance
-18
-
-14
5
-
-
dB
K
W
With 6dB cable loss
Jitter Tolerance:
20Hz
700Hz
10KHz —100KHz
10
5
0.3
-
-
UIpp
Return Loss:
51KHz —102KHz
102KHz—2048KHz
2048KHz—3072KHz
14
20
16
-
-
-
-
-
-
dB
dB
dB
per ITU-G.703
TRANSMITTER ELECTRICAL CHARACTERISTICS
T
A
=-40 to 85°C, V
DD
=3.3V±5%, unless otherwise specified.
Parameter
AMI Output Pulse Amplitude:
75
W
Application
120
W
Application
Min
Typ
Max
Unit
Test Conditions
2.13
2.70
2.37
3.00
2.60
3.30
V
Use transformer with 1:2 ratio
and 9.1
W
resistor in series
with each end of primary.
Output Pulse Width
Output Pulse Width Ratio
Output Pulse Amplitude Ratio
224
0.95
0.95
244
1.00
1.00
264
1.05
1.05
ns
-
-
per ITU-G.703
per ITU-G.703
Output Return Loss:
51KHz —102KHz
102KHz—2048KHz
2048KHz—3072KHz
10
16
12
-
-
-
-
-
-
dB
dB
dB
per ETSI 300 166 and CH PTT
ABSOLUTE MAXIMUM RATINGS
Storage Temperature
-65°C to + 150°C
Operating Temperature
-40°C to + 85°C
Supply Voltage
-0.5V to + 6.0V
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