ICS1893 datasheet(33/152 Pages) ICST

部件名	ICS1893

功能描述	3.3-V 10Base-T/100Base-TX Integrated PHYceiver?

PDF	152 Pages

Scroll/Zoom	100%

制造商	ICST [Integrated Circuit Systems]

网页	http://www.icst.com

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33 / 152 page

Chapter 6

Interface Overviews

ICS1893 Rev C 6/6/00

June, 2000

ICS1893 - Release

6.5.2

Twisted-Pair Receiver Interface

Figure 6-2 shows the design for the ICS1893 twisted-pair receiver interface.

• Two 56.2

Ω 1% resistors are in series, with the center bypassed to ground with a 0.1-µF bypass

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.

Note:

Keep leads as short as possible.

Install the resistor network as close to the ICS1893 as possible.

Figure 6-2.

ICS1893 Receiver Twisted Pair

ICS1893

TP_RXP 13

TP_RXN 14

56.2

Ω 1%

0.1

µF

56.2

Ω 1%

To RJ-45

1:1

System Ground Plane

Chassis Ground Plane

Ω

0.1

µF 2 kV

4.7 pF

Separate Ground

Plane

Center

Tap

ICS1893 数据表(PDF) 33 Page - Integrated Circuit Systems

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