ICS1893 Integrated Circuit Systems, ICS1893 Datasheet - Page 33

• Manufacturer Part Number: ICS1893
• Description: 3.3-V 10Base-T/100Base-TX Integrated PHYceiver
• Manufacturer: Integrated Circuit Systems

6.5.2
ICS1893 Rev C 6/6/00
Twisted-Pair Receiver Interface
Figure 6-2
•
•
•
Note:
1. Keep leads as short as possible.
2. Install the resistor network as close to the ICS1893 as possible.
Figure 6-2. ICS1893 Receiver Twisted Pair
ICS1893
Two 56.2
capacitor.
No bypass capacitor is used with the receive transformer center tap.
A 4.7-pF capacitor must be included across the ICS1893 side of the receive transformer.
TP_RXN 14
TP_RXP 13
ICS1893 - Release
shows the design for the ICS1893 twisted-pair receiver interface.
1% resistors are in series, with the center bypassed to ground with a 0.1- F bypass
4.7 pF
Copyright © 2000, Integrated Circuit Systems, Inc.
All rights reserved.
56.2 1%
56.2 1%
System Ground Plane
33
0.1 F
Center
Tap
1:1
Chassis Ground Plane
Chapter 6 Interface Overviews
75
0.1 F 2 kV
Separate Ground
Plane
To RJ-45
June, 2000