Reference Packet Parameter Test Equipment Setup
High Speed Host: EL_22 (InterPacketII&III)
a. Complete procedures 1 and 2 to set up the test fixture and the oscilloscope.
b. Select the Step button in the HS Electrical Test Tool.
c. The oscilloscope acquires and displays the waveform as shown in the next figure.
d. "Pr
ess OK when correct waveform is acquired”.
e. The application displays the waveform as shown in the next figure.
f. The application measures the inter packet gap of the second and the third packet (88-192
bits). This is EL_22.
206 TDSUSB2 Universal Serial Bus Measurements Package
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