Tektronix TDSUSB2, Руководство пользователя

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Measurement Algorithms
High Speed Device Signal Quality Setup
To set up the equipment for the High Speed Signal Quality test, follow these
steps:
1. Set the S6 switch to the Init position.
2. Connect the standard USB cable between the Device SQ Init port and the
host port.
3. Connect the A receptacle (marked DUT) from the Device SQ test port of the
test fixture to the unit under test (device).
4. Configure the measurement and select the command button to run the
application.
5. Place the device in the test mode Test_Packet from the host controller.
6. Set the S6 switch to the test position to isolate the unit under test while
maintaining the bus power.
7. Select OK after acquiring a waveform. Verify that it is a correct waveform.
Figure 125: Equipment setup for High Speed Device testing
TDSUSB2 Universal Serial Bus Measurement Package 211