Connect-Tek USB-16 Manual do Utilizador descarregar pdf (Página 16)

Host High Speed Electrical Test Procedure Revision 1.4

18. If cursors measurement is enabled on the oscilloscope place the two vertical cursors around one

test packet, one just (about one bit time) before the sync field and the other just (about one bit

time) after the EOP (END OF PACKET). Refer to the following figure. Press OK on the USB2

application dialog box to begin acquisition and analysis of the test packet.

Figure 6: High-speed Test Packet

19. Verify that the Signal Eye, EOP Width, and Signaling Rate all pass.

Figure 7: HTML Report for High Speed Signal Quality Test

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