XRT73L03 Datasheet, PDF (37/62 Pages) Exar Corporation – 3 CHANNEL E3/DS3/STS-1 LINE INTERFCE UNIT

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PRELIMINARY
3 CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT XRT73L03
REV. P1.0.13
FIGURE 17. RECOMMENDED SCHEMATIC FOR TRANSFORMER-COUPLING THE RECEIVE SECTION OF THE
XRT73L03 TO THE LINE
RxPOS(n)
RxNEG(n)
RxClk(n)
RTIP(n)
Channel (n)
RPOS(n)
RNEG(n)
RxClk(n)
R1
37.5Ω
R2
37.5Ω
RRing(n)
Only One Channel Shown
C1
0.01uf
J1
T1
BNC
1:1
FIGURE 18. RECOMMENDED SCHEMATIC FOR CAPACITIVE-COUPLING THE RECEIVE SECTION OF THE
XRT73L03 TO THE LINE
RxPOS(n)
RxNEG(n)
RxClk(n)
RTIP(n)
Channel (n)
RPOS(n)
RNEG(n)
RxClk(n)
RRing(n)
C1
J1
0.01uf
BNC
R1
75Ω
C2
0.01uf
Only One Channel Shown
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