XRT59L921ES Exar, XRT59L921ES Datasheet - Page 29

• Manufacturer Part Number: XRT59L921ES
• Description: Peripheral Drivers & Components - PCIs 21 CH E1 LIU
• Manufacturer: Exar

Specifications of XRT59L921ES

• Product Category: Peripheral Drivers & Components - PCIs
• Rohs: yes

REV. 1.2.1
APPLICATION INFORMATION
Figure 17
line, under the following conditions.
•
•
F
T
RANSFORMER
IGURE
Receiver is Transformer-coupled to a 75Ω unbalanced line.
Receiver is Transformer-coupled to a 120Ω balanced line.
17. I
and
Loss Of Signal_x
LLUSTRATION ON HOW TO INTERFACE
-
Figure
COUPLED TO A
TxLineClk_x
RxNEG_x
TxPOS_x
TxNEG_x
RxPOS_x
18, provide example schematics on how to interface Channel 1 of the XRT59L921 to the
75Ω
UNBALANCED LINE
TxPOS_x
TxNEG_x
TxLineClk_x
RxPOS_x
RxNEG_x
RxLOS_x
XRT59L921
C
RRING_x
TRING_x
HANNEL
RTIP_x
TTIP_x
)
TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT
27
1 (
OF THE
9.1 Ω
9.1 Ω
XRT59L921)
75 Ω
TO THE
1:2
1:1
L
INE
XRT59L921
(R
ECEIVER IS