Intel® 21143 PCI/CardBus 10/100Mb/s Ethernet LAN Controller
Figure 3. 10BASE-T Network Connection with Buffers
21143 |
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| 74ACT244 |
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tp_td+ 6 | 8 | 61.9 | Ω |
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| 12 |
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tp_td++ 7 | 6 | 301Ω |
| 3 |
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Transmit | 14 |
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| TP Filters |
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Path |
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| 806 Ω | and Chokes |
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tp_td- 5 | 4 | 61.9 | Ω | 78Z041 |
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(SMD) |
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| 16 |
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2 | 301Ω |
| 1 | RJ45 | |
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| 18 |
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| 8 | 1 |
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| 6 | 2 |
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| 5 |
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| GND |
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| 9 | 3 |
tp_rd- 9 |
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| 11 | 6 |
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| 14 |
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Receive | 49.9 Ω |
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Path |
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| 49.9 Ω |
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tp_rd- 10 |
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| 16 | GND |
0.01 ∝ F | 0.1 ∝ F |
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GND |
| GND |
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10 | Design Guide |
