參數(shù)資料
型號(hào): XRT75L00DIV
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述: DATACOM, PCM TRANSCEIVER, PQFP52
封裝: 10 X 10 MM, TQFP-52
文件頁(yè)數(shù): 23/92頁(yè)
文件大小: 894K
代理商: XRT75L00DIV
XRT75L00D
REV. 1.0.2
E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
18
3.0
LINE SIDE CHARACTERISTICS:
3.1
E3 line side parameters:
The XRT75L00D meets the pulse shape specified in ITU-T G.703 for 34.368 Mbits/s operation at the
secondary of the transformer. The pulse mask as specified in ITU-T G.703 for 34.368 Mbits/s is shown in
Figure 7.
F
IGURE
7. P
ULSE
M
ASK
FOR
E3 (34.368
MBITS
/
S
)
INTERFACE
AS
PER
ITU
-
T
G.703
T
ABLE
3: E3 T
RANSMITTER
AND
RECEIVER
LINE
SIDE
SPECIFICATIONS
(T
A
= 25
0
C
AND
VDD = 3.3 V ± 5%)
PARAMETER
MIN
TYP
MAX
UNITS
T
RANSMITTER
LINE
SIDE
OUTPUT
CHARACTERISTICS
Transmit Output Pulse Amplitude
(Measured at secondary of the transformer)
Transmit Output Pulse Amplitude Ratio
Transmit Output Pulse Width
Intrinsic Jitter
0.90
1.00
1.10
V
pk
0.95
12.5
1.00
14.55
0.02
1.05
16.5
0.05
ns
UI
PP
R
ECEIVER
LINE
SIDE
INPUT
CHARACTERISTICS
Receiver Sensitivity (length of cable)
Interference Margin
Jitter Tolerance @ Jitter Frequency 800KHz
1200
-15
0.28
feet
dB
UI
PP
dB
dB
UI
UI
-20
0.15
Signal level to Declare Loss of Signal
Signal Level to Clear Loss of Signal
Occurence of LOS to LOS Declaration Time
Termination of LOS to LOS Clearance Time
-35
-15
10
10
255
255
0%
50%
V = 100%
14.55ns
Nominal Pulse
12.1ns
(14.55 - 2.45)
17 ns
(14.55 + 2.45)
8.65 ns
10%
10%
20%
相關(guān)PDF資料
PDF描述
XRT75L02 TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
XRT75L02IV TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
XRT75L03D THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L04D FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L04DIV FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
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