Reference High Speed Device Signal Quality Setup
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.
Chirp Test Equipment Setup
The section used for this device test is Device SQ in the test fixture. To set up the equipment for Chirp
test, follow thes e steps:
196 TDSUSB2 Universal Serial Bus Measurements Package
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