參數(shù)資料
型號: XRT59L921IB
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA316
封裝: 21 X 21 MM, STBGA-316
文件頁數(shù): 29/32頁
文件大?。?/td> 377K
代理商: XRT59L921IB
XRT59L921
27
REV. 1.2.1
TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT
APPLICATION INFORMATION
Figure 17
and
Figure 18
, provide example schematics on how to interface Channel 1 of the XRT59L921 to the
line, under the following conditions.
Receiver is Transformer-coupled to a 75
unbalanced line.
Receiver is Transformer-coupled to a 120
balanced line.
F
IGURE
17. I
LLUSTRATION
ON
HOW
TO
INTERFACE
C
HANNEL
1 (
OF
THE
XRT59L921)
TO
THE
L
INE
(R
ECEIVER
IS
T
RANSFORMER
-
COUPLED
TO
A
75
UNBALANCED
LINE
)
9.1
9.1
TxPOS_x
TxNEG_x
TxLineClk_x
XRT59L921
TxLineClk_x
TxPOS_x
TxNEG_x
TTIP_x
TRING_x
1:2
75
RxPOS_x
RxNEG_x
Loss Of Signal_x
RxLOS_x
RxPOS_x
RxNEG_x
RTIP_x
RRING_x
1:1
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