PEF2256 INFINEON [Infineon Technologies AG], PEF2256 Datasheet - Page 125
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PEF2256
Manufacturer Part Number
PEF2256
Description
E1/T1/J1 Framer and Line Interface Component for Long- and Short-Haul Applications
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.PEF2256.pdf
(518 pages)
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5.1.7
The signal at the ternary interface is received at both ends of a transformer. A termination
resistor is used to achieve line impedance matching (see
Figure 45
Table 27
Line Impedance
120
110
1)
User’s Manual
Hardware Description
This includes all parasitic effects caused by circuit board design.
Receive Line Termination (T1/J1)
Line
Receiver Configuration (T1/J1)
Recommended Receiver Configuration Values (T1/J1)
t
2
t
1
External Resistor R
120
110
R
1)
2
125
RL1
RL2
2
Functional Description T1/J1
Figure 45
Transformer Ratio t
1 : 1
1 : 1
and
DS1.1, 2003-10-23
PEF 2256 H/E
Table
F56V2_Receiver_5
FALC
27).
2
: t
®
1
56
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