XRT7300 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT7300' PDF : 55 Pages View PDF
áç
XRT7300
E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.1.1
FIGURE 5. TRANSMIT PULSE AMPLITUDE TEST CIRCUIT FOR DS3, E3 AND STS-1 RATES
TTIP
R1
36Ω
R2
36Ω
TRING
T1
R3
75Ω
1:1
FIGURE 6. ITU-T G.703 TRANSMIT OUTPUT PULSE TEMPLATE FOR E3 APPLICATIONS
17 ns
(14.55 + 2.45)
V = 100%
8.65 ns
Nominal Pulse
50%
10%
0%
10%
14.55ns
12.1ns
(14.55 - 2.45)
20%
15
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