xrt75r12 Exar Corporation, xrt75r12 Datasheet - Page 38

• Manufacturer Part Number: xrt75r12
• Description: Twelve Channel E3/ds3/sts-1 Line Interface Unit With Jitter
• Manufacturer: Exar Corporation

XRT75R12
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
N
Transmit Output Pulse Amplitude
Transmit Output Pulse Amplitude
(measured with TxLEV = 1)
Transmit Output Pulse Width
Transmit Output Pulse Amplitude Ratio
Transmit Intrinsic Jitter
Receiver Sensitivity (length of cable)
Jitter Tolerance @ 400 KHz (Cat II)
Signal Level to Declare Loss of Signal
Signal Level to Clear Loss of Signal
(measured with TxLEV = 0)
OTE
T
ABLE
: The above values are at TA = 25
9: DS3 T
T
IME IN
RANSMITTER
-0.85
-0.85
-0.36
-0.68
0.36
0.36
U
<
<
<
<
<
NIT
<
T
T
T
T
T
T
P
I
<
<
<
NTERVALS
<
<
<
ARAMETER
-0.36
-0.68
0.36
1.4
1.4
0.36
L
INE
T
RANSMITTER LINE SIDE OUTPUT CHARACTERISTICS
T
R
0
S
ABLE
C and V
ECEIVER LINE SIDE INPUT CHARACTERISTICS
IDE
O
8: DS3 P
UTPUT AND
DD
LOWER CURVE
UPPER CURVE
= 3.3V ± 5%.
ULSE
35
R
ECEIVER
M
ASK
E
QUATIONS
L
0.5 1
0.5 1
INE
0.08 + 0.407 x e
10.10
S
0.65
0.90
0.90
0.15
M
900
+
IDE
N
+
IN
ORMALIZED
sin
sin
I
NPUT






-- - 1
2
-- - 1
2




- 0.03
- 0.03
·
11.18
·
0.03
1100
0.75
1.00
1.00
0.02
Refer to
Refer to
T
S
+
YP
+
PECIFICATIONS
A
---------- -
0.34
---------- -
0.18
MPLITUDE
-1.84[T-0.36]
T
T
Table 3
Table 3










12.28
M
0.85
1.10
1.10
0.05
+
–
AX
0.03
0.03
(GR-499)
REV. 1.0.4
U
UI
UI
feet
V
V
NITS
ns
pk
pk
pp
pp