參數(shù)資料
型號: XRT83VSH38
廠商: Exar Corporation
英文描述: 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: 8通道的T1/E1/J1短途線路接口單元
文件頁數(shù): 72/76頁
文件大小: 722K
代理商: XRT83VSH38
XRT83VSH38
69
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.7
T
ABLE
50: P
OWER
C
ONSUMPTION
VDD=3.3V ±5%, T
A
=25°C, U
NLESS
O
THERWISE
S
PECIFIED
M
ODE
S
UPPLY
V
OLTAGE
I
MPEDANCE
R
ECEIVER
T
RANSMITTER
T
YP
M
AX
U
NIT
T
EST
C
ONDITION
E1
3.3V
75
1:1
1:2
1.188
0.891
-
W
100% ones
50% ones
E1
3.3V
120
1:1
1:2
1.056
0.825
-
W
100% ones
50% ones
T1
3.3V
100
1:1
1:2
1.683
1.155
-
W
100% ones
50% ones
N
OTE
:
The typical power consumption of the 1.8V supply represents ~ 36mW of the above listed.
T
ABLE
51: E1 R
ECEIVER
E
LECTRICAL
C
HARACTERISTICS
(V
DD
=3.3V±5%, T
A
=25°C
UNLESS
OTHERWISE
SPECIFIED
)
P
ARAMETER
M
IN
T
YP
.
M
AX
U
NIT
T
EST
C
ONDITIONS
Receiver loss of signal:
Number of consecutive
zeros before LOS is set
-
32
-
bit
Cable attenuation @1024KHz
ITU-G.775, ETS1 300 233
Input signal level at LOS
13
16
-
dB
RLOS Clear
12.5
-
-
% ones
Receiver Sensitivity
9
-
-
dB
With nominal pulse amplitude of 3.0V for
120
and 2.37V for 75
application.
Interference Margin
-18
-14
-
dB
With 6dB cable loss
Input Impedance
15
-
K
Jitter Tolerance:
1 Hz
10KHz---100KHz
37
0.3
-
-
-
-
UIpp
UIpp
ITU G.823
Recovered Clock Jitter
Transfer Corner Frequency
Peaking Amplitude
-
20
36
0.5
KHz
dB
ITU G.736
Jitter Attenuator Corner
Frequency(-3dB curve)
JABW=0
JSBW=1
-
-
10
1.5
-
-
Hz
Hz
ITU G.736
Return Loss:
51KHz --- 102KHz
102KHz --- 2048KHz
2048KHz --- 3072KHz
12
8
8
-
-
-
-
-
-
dB
dB
dB
ITU G.703
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