XRT75L06 Datasheet, PDF (35/63 Pages) Exar Corporation – SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR

SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75L06
REV. 1.0.3
TABLE 6: DS3 PULSE MASK EQUATIONS
TIME IN UNIT INTERVALS
NORMALIZED AMPLITUDE
LOWER CURVE
-0.85 < T < -0.36
- 0.03
-0.36 < T < 0.36
·
0.5
1
+
sin



π_--
2


1
+
0----.^{T-1----8--}



– 0.03
0.36 < T < 1.4
-0.85 < T < -0.68
-0.68 < T < 0.36
- 0.03
UPPER CURVE
0.03
·
0.5
1
+
sin



π_--
2
¹
+
0----.^{T-3----4--}



+ 0.03
0.36 < T < 1.4
0.08 + 0.407 x e^{-1.84[T-0.36]}
TABLE 7: DS3 TRANSMITTER LINE SIDE OUTPUT AND RECEIVER LINE SIDE INPUT SPECIFICATIONS (GR-499)
PARAMETER
MIN
TRANSMITTER LINE SIDE OUTPUT CHARACTERISTICS
Transmit Output Pulse Amplitude
0.65
(measured with TxLEV = 0)
Transmit Output Pulse Amplitude
0.90
(measured with TxLEV = 1)
Transmit Output Pulse Width
10.10
Transmit Output Pulse Amplitude Ratio
0.90
Transmit Intrinsic Jitter
TYP
0.75
1.00
11.18
1.00
0.02
MAX
0.85
1.10
12.28
1.10
0.05
RECEIVER LINE SIDE INPUT CHARACTERISTICS
Receiver Sensitivity (length of cable)
900
Jitter Tolerance @ 400 KHz (Cat II)
0.15
1100
Signal Level to Declare Loss of Signal
Signal Level to Clear Loss of Signal
Refer to Table 10
Refer to Table 10
UNITS
V_pk
V_pk
ns
UI_pp
feet
UI_pp
NOTE: The above values are at TA = 25⁰C and V_DD = 3.3V ± 5%.
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