lxt384 Intel Corporation, lxt384 Datasheet - Page 121

• Manufacturer Part Number: lxt384
• Description: Octal T1/e1/j1 Short Haul Transceiver
• Manufacturer: Intel Corporation

12.0
Document Number: 248994
Revision Number: 004
Revision Date: September 22, 2005
Table 72. Line-Interface-Unit Circuit Specifications
Table 73. Intel
Line-Interface-Unit Circuit Specifications
Table 72
operate. (For a diagram of an LIU circuit to be used with the LXT384 Transceiver, see
Section 6.5, “Line-Interface
Table 73
operate in an LIU circuit.
Termination Resistor Tolerance
RRING/RTIP termination resistor R
TRING/TTIP termination resistor R
Tx/Rx
1. This parameter is application dependent.
2. LIU side: Line side. Transformer turns ratio accuracy is
RX
TX
75Ω Coaxial Cable
120Ω Twisted Pair Cable
75Ω Coaxial Cable
120Ω Twisted Pair Cable
®
LXT384 Transceiver Transformer Specifications
Turns Ratio
lists specifications for the LIU circuits with which the LXT384 Transceiver is designed to
lists specifications for transformers with which the LXT384 Transceiver is designed to
1:2
1:2
Parameter
2
Inductance
Primary
(min.)
mH
1.2
1.2
Protection”).
T
R
- Transmitter Resistor
- Receiver Resistor
Intel
Inductance
Leakage
(max.)
0.60
0.60
µH
®
LXT384 Octal T1/E1/J1 S/H PCM Transceiver with JA
Interwinding
Capacitance
15.0Ω ± 1%
9.3Ω ± 1%
Minimum
(max.)
±
pF
60
60
2%.
10.5Ω ± 1%
8.7Ω ± 1%
1.20 sec
1.10 sec
0.70 pri
1.10 pri
Typical
(max.)
DCR
Ω
Dielectric Breakdown
11.0Ω ± 1%
9.1Ω ± 1%
Maximum
1500 Vrms
1500 Vrms
Voltage
(min.)
V
Figure 6
1
Units
Ω
Ω
Ω
Ω
121
in