參數(shù)資料
型號(hào): XRT75R12
廠商: Exar Corporation
英文描述: TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
中文描述: 第十二章通道E3/DS3/STS-1線路接口單元與抖動(dòng)衰減器
文件頁(yè)數(shù): 37/89頁(yè)
文件大?。?/td> 457K
代理商: XRT75R12
PRELIMINARY
XRT75R12
REV. P1.0.2
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
34
N
OTE
:
The above values are at TA = 25
0
C and V
DD
= 3.3 V ± 5%.
T
ABLE
6: STS-1 T
RANSMITTER
L
INE
S
IDE
O
UTPUT
AND
R
ECEIVER
L
INE
S
IDE
I
NPUT
S
PECIFICATIONS
(GR-253)
P
ARAMETER
M
IN
T
YP
M
AX
U
NITS
T
RANSMITTER
LINE
SIDE
OUTPUT
CHARACTERISTICS
Transmit Output Pulse Amplitude
(measured with TxLEV = 0)
0.65
0.75
0.90
V
pk
Transmit Output Pulse Amplitude
(measured with TxLEV = 1)
0.90
1.00
1.10
V
pk
Transmit Output Pulse Width
8.6
9.65
10.6
ns
Transmit Output Pulse Amplitude Ratio
0.90
1.00
1.10
Transmit Intrinsic Jitter
0.02
0.05
UI
pp
R
ECEIVER
LINE
SIDE
INPUT
CHARACTERISTICS
Receiver Sensitivity (length of cable)
900
1100
feet
Jitter Tolerance @ Jitter Frequency 400 KHz
0.15
UI
pp
Signal Level to Declare Loss of Signal
Refer to Table 10
Signal Level to Clear Loss of Signal
Refer to Table 10
F
IGURE
23. T
RANSMIT
O
UPUT
P
ULSE
T
EMPLATE
FOR
DS3
AS
PER
B
ELLCORE
GR-499
DS3 Pulse Template
-0.2
0
0.2
0.4
0.6
0.8
1
1.2
-1
-09
-08
-07
-06
-05
-04
-03
-02
-01
0
01
02
03
04
05
06
07
08
09
1
11
12
13
14
Time, in UI
N
Lower Curve
Upper Curve
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