mc145425 Freescale Semiconductor, Inc, mc145425 Datasheet - Page 11

• Manufacturer Part Number: mc145425
• Description: Isdn Universal Digital Loop Transceivers
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA
INDUCTANCE OF Tx: WINDING: 1.75 mH
TURNS RATIO: Tx L1 + L2 2:1
TURNS RATIO: Rx L1 + L2 4:1
ISDN UDLT
MASTER
SLAVE
TRANSFORMER PARAMETERS
OR
LO1
LO2
V ref
LI
Figure 4. Interface to Twisted Pair Wire
110
110
5 k
+ 5 V
+ 5 V
+ 5 V
0.1 F
0.1 F
DIODES: 1N4148 OR EQUIVALENT
10 k
110
110
+ 5 V
Rx
Tx
L1
L2
TWISTED PAIR WIRE
MC145421 MC145425
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