XRT75L04 Datasheet, PDF (25/57 Pages) Exar Corporation – FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER

REV. 1.0.4
XRT75L04
FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
TABLE 6: DS3 PULSE MASK EQUATIONS
TIME IN UNIT INTERVALS
-0.85 < T < -0.36
-0.36 < T < 0.36
LOWER CURVE
NORMALIZED AMPLITUDE
- 0.03
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
TYP
TRANSMITTER LINE SIDE OUTPUT CHARACTERISTICS
Transmit Output Pulse Amplitude
(measured with TxLEV = 0)
0.65
0.75
Transmit Output Pulse Amplitude
(measured with TxLEV = 1)
Transmit Output Pulse Width
0.90
10.10
1.00
11.18
Transmit Output Pulse Amplitude Ratio
0.90
RECEIVER LINE SIDE INPUT CHARACTERISTICS
1.00
Receiver Sensitivity (length of cable)
Jitter Tolerance @ 400 KHz (Cat II)
900
1100
0.60
MAX
0.85
1.10
12.28
1.10
UNITS
V_pk
V_pk
ns
feet
UI_pp
NOTE: The above values are at
TA = 25⁰C and V_DD = 3.3V ± 5%.
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