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VSC8540XMV-03

P1-P3P4-P6P7-P9P10-P12P13-P14
ENT-AN0098 Application Note Revision 2.1 iv
Figures
Figure 1 12-Core Magnetic (One Pair Shown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 2 Intrinsic Characteristic Impedance Between Each Pair of the Four Pairs . . . . . . . . . . . . . . . . . . . . . 5
Figure 3 8-Core Magnetic with CMC on Cable Side (One Pair Shown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 4 8-Core Magnetic with Classic 2-Wire CMC on PHY Side (One Pair Shown) . . . . . . . . . . . . . . . . . . 6
Figure 5 Modern 8-Core Magnetic with 3-Wire CMC on PHY Side (One Pair Shown) . . . . . . . . . . . . . . . . . . 6
Figure 6 EMC Emissions – VSC8601/8641 PHY Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 7 Return Loss Specification, Recommended and Measured . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
ENT-AN0098 Application Note Revision 2.1 v
Tables
Table 1 EMC Test Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 2 IEEE Minimum Return Loss for Reference Impedance of 100 Ω ±15% . . . . . . . . . . . . . . . . . . . . . . 8
Revision History
ENT-AN0098 Application Note Revision 2.1 1
1 Revision History
The revision history describes the changes that were implemented in the document. The changes are
listed by revision, starting with the most current publication.
1.1 Revision 2.1
The following is a summary of the changes in revision 2.1 of this document.
• Return loss data was updated. For more information, see IEEE Return Loss Data, page 8.
• Magnetic suggestions were added. For more information, see Suggested Magnetics, page 9.
1.2 Revision 2.0
The following is a summary of the changes in revision 2.0 of this document.
• Text regarding CMC on the PHY side was updated. For more information, see 8-Core Magnetics,
page 5.
• EMC Test Data was simplified. For more information, see Table 1, page 7.
1.3 Revision 1.2
In revision 1.2 of this document, 12-port (2x6) Power-over-Ethernet (PoE) magnetic modules were
added. For more information, see 12-Core Magnetics, page 4.
1.4 Revision 1.1
The following is a summary of the changes in revision 1.1 of this document.
• EMC test results for the VSC8601/8641 family were added. For more information, see EMC Test
Data, page 7.
• 8-core 3-wire CMC on PHY side was added. For more information, see Figure 5, page 6.
1.5 Revision 1.0
Revision 1.0 was the first publication of this document.
P1-P3P4-P6P7-P9P10-P12P13-P14

VSC8540XMV-03

Mfr. #:
Buy VSC8540XMV-03
Manufacturer:
Microchip / Microsemi
Description:
Ethernet ICs 1Port Cu GE PHY iTMP SyncE, R/G/R/MII
Lifecycle:
New from this manufacturer.
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