WJLXT385LE.B1 Cortina Systems Inc, WJLXT385LE.B1 Datasheet - Page 64

• Manufacturer Part Number: WJLXT385LE.B1
• Manufacturer: Cortina Systems Inc

Specifications of WJLXT385LE.B1

• Lead Free Status / RoHS Status: Supplier Unconfirmed

64
Intel
Table 18. Component Values to Use with Transformer Circuit
Table 19. Transmitter Transformer Turns Ratio Selection
®
LXT385 Octal E1 S/H PCM Transceiver with JA
Table 18
power used and the type of cable with which the component is used.
Table 19
R
R
R
Standard 75/120Ω
characteristic impedance
Low-power 75/120Ω
characteristic impedance
Characteristic Impedance
T
T
R
Low-Power Value
Standard-Power Value
(Receive Resistor)
Component
lists the component values to use with
lists the transmitter transformer turns ratios that can selected.
Component Value to Use with
Transmitter Transformer
75 Ω Coaxial Cable
9.31 Ω ± 1%
Turns Ratio
10 Ω ± 1%
11 Ω ± 1%
1:1.7
1:2
theFigure 6
Component Value to Use with
Component Value to Use with
circuit, depending on the type of
120 Ω Twisted-Pair Cable
120 Ω Twisted-Pair Cable
Rt = 10 Ω ± 1%
Rt = 11 Ω ± 1%
10 Ω ± 1%
11 Ω ± 1%
15 Ω ± 1%
Revision Date: 19-Jan-2006
Document Number: 249252
Revision Number: 006