XRT59L91ID View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT59L91ID' PDF : 28 Pages View PDF
XRT59L91
Preliminary
TxPOS
T xN E G
T xLineC lk
U1
2
TxPOS
3
T xN E G
1
T xC lk
13
T T IP
1
R1 2
9.1
15
T R in g
1
R2 2
9.1
1 1:2 5
4
8
PE-65835
T T IP
T R IN G
XRT59L91
Figure 6. Illustration of how to interface the Transmit Section of the XRT59L91
device to the Line (for “120W ” Applications)
Notes:
1. Figures 5 and 6 indicate that for both “75W and “120W ”
applications, the user should connect a 9.1W resistor,
in series, between the TTIP/TRing outputs and the
transformers.
2. Figure 5 and 6 indicate that the user should a “1:2
STEP-UP” Transformer.
Rev. P2.00
12
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