Electrical Specifications

Differential Interface Electrical Characteristics

8.7.2.2PCI Express Interface Test Circuit

Figure 43: PCI Express Interface Test Circuit

Test Points - +

C_TX

D+

D-

C_TX

50 ohm

50 ohm

 

 

When measuring Transmitter output parameters, C_TX is an optional portion of the Test/Measurement load. When used, the value of C_TX must be in the range of 75 nF to 200 nF. C_TX must not be used when the Test/Measurement load is placed in the Receiver package reference plane.

Copyright © 2008 Marvell

 

Doc. No. MV-S104859-U0 Rev. E

December 2, 2008, Preliminary

Document Classification: Proprietary Information

Page 121

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Marvel Group 88F6281 specifications PCI Express Interface Test Circuit