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XRT73R12_07 Datasheet, PDF (35/89 Pages) Exar Corporation – TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.0.2
XRT73R12
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
TABLE 5: E3 TRANSMITTER LINE SIDE OUTPUT AND RECEIVER LINE SIDE INPUT SPECIFICATIONS
PARAMETER
MIN
TRANSMITTER LINE SIDE OUTPUT CHARACTERISTICS
Transmit Output Pulse Amplitude
0.90
(Measured at secondary of the transformer)
Transmit Output Pulse Amplitude Ratio
0.95
Transmit Output Pulse Width
12.5
Transmit Intrinsic Jitter
TYP
1.00
1.00
14.55
0.02
RECEIVER LINE SIDE INPUT CHARACTERISTICS
Receiver Sensitivity (length of cable)
900
Interference Margin
-20
Jitter Tolerance @ Jitter Frequency 800KHz
0.15
1200
-14
0.28
Signal level to Declare Loss of Signal
Signal Level to Clear Loss of Signal
-15
Occurence of LOS to LOS Declaration Time
10
Termination of LOS to LOS Clearance Time
10
MAX
1.10
1.05
16.5
0.05
-35
255
255
UNITS
Vpk
ns
UIPP
feet
dB
UIPP
dB
dB
UI
UI
NOTE: The above values are at TA = 250C and VDD = 3.3 V± 5%.
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