Technical data

68 Notes on USB Electrical Compliance Testing
3 Device Hi-Speed Tests
5 Connect the 81130A or 81134A pulse generator to the oscilloscope using
the 82357A USB/GPIB Interface.
a If you choose to use the Agilent 81130A Pulse/Pattern Generator,
connect the 8493C 6dB attenuators to OUTPUT1 and OUTPUT2 of
Agilent 81130A Pulse/Pattern Generator.
b If you choose to use the Agilent 81134A Pulse/Pattern Generator,
connect the 15433B Transition Time Converters to OUTPUT1 and
OUTPUT2 of Agilent 81134A Pulse/Pattern Generator. Agilent 15433B
Transition Time Converters are recommended, to reduce the output
edge speed of the 81134A to speed close to what the 81130A
provides.
6 Connect OUTPUT1 to SMA1 (D+) of the E2649- 66403 Device Receiver
Sensitivity test fixture using the 8120- 4948 SMA cables.
7 Connect OUTPUT2 to SMA2 (D- ) of the E2649- 66403 Device Receiver
Sensitivity test fixture using the 8120- 4948 SMA cables.
8 Check I have completed these instructions.
Running the Tests
1 Click Run Tests.
Test Instructions
The USB automated test application will prompt you to perform these
steps:
1 Cycle the device power to restore the device to normal operation. On
the Device Test Menu of the HS Electrical Test Tool, click [Enumerate
Bus] button once to force enumeration of the newly connected device.
2 Select TEST_SE0_NAK from the Device Command drop down menu.
Click [EXECUTE] once to place the device into TEST_SE0_NAK test
mode.