參數(shù)資料
型號(hào): XRT73L02MIV
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, QFP-100
文件頁數(shù): 29/46頁
文件大?。?/td> 391K
代理商: XRT73L02MIV
xr
XRT73L02M
TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.0.0
The Equalizer also contain an additional 20 dB gain stage to provide the line monitoring capability of the resis-
tively attenuated signals which may have 20dB flat loss. This capability can be turned on by setting the
RxMON_n bits in the control register or by setting the RxMON pin “High”.
27
5.0.1.1
For E3 mode, ITU-T G.703 Recommendation specifies that the receiver be able to recover error-free clock and
data in the presence of a sinusoidal interfering tone signal. For DS3 and STS-1 modes, the same recommen-
dation is being used. Figure 17 shows the configuration to test the interference margin for DS3/STS1. Figure
18 shows the set up for E3.
I
NTERFERENCE
T
OLERANCE
:
F
IGURE
17. I
NTERFERENCE
M
ARGIN
T
EST
S
ET
UP
FOR
DS3/STS-1
F
IGURE
18. I
NTERFERENCE
M
ARGIN
T
EST
S
ET
UP
FOR
E3.
T
ABLE
9: I
NTERFERENCE
M
ARGIN
T
EST
R
ESULTS
M
ODE
C
ABLE
L
ENGTH
(A
TTENUATION
)
I
NTERFERENCE
T
OLERANCE
E3
0 dB
- 17 dB
12 dB
-15 dB
Test Equipment
Pattern Generator
2
23
-1 PRBS
Sine Wave
Generator
N
S
0 to 900 feet
Coaxial Cable
DUT
(XRT73L02M)
Attenuator
DS3 = 22.368 MHz
STS-1 = 25.92 MHz
Test Equipment
Noise Generator
2
23
-1 PRBS
Signal Source
N
S
0 to 12 dB Cable Loss
DUT
(XRT73L02M)
Attenuator 1
Attenuator 2
相關(guān)PDF資料
PDF描述
XRT73L02 2 Channel E3/DS3/STS-1 Line Interface Unit(2通道 E3/DS3/STS-1線接口單元)
XRT73L03A 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L03AIV 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L03B 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L03BIV 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
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XRT73L03 制造商:EXAR 制造商全稱:EXAR 功能描述:3 CHANNEL E3/DS3/STS-1 LINE INTERFCE UNIT
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