Agilent Technologies N5416A Manuale di Servizio Scaricare il pdf (Pagina 50)

50 Notes on USB Electrical Compliance Testing

3 Device Hi-Speed Tests

Running the Tests

1 Click Run Tests.

Test Instructions

The USB automated test application will prompt you to perform these

steps:

1 On the HS Electrical Test Tool software, click [Enumerate Bus] once.

You should capture the CHIRP handshake as in the below figure.

2 Click OK to close the Test Instructions dialog.

EL_28 Measure Device CHIRP-K Latency

EL_29 Measure Device CHIRP-K Duration

EL_31 Hi-Speed Terminations Enable and D+ Disconnect Time

Viewing Test Results

1 When the Testing Complete dialog appears, click OK.

The Results tab shows the test results.

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Agilent Technologies N5416A Manuale di Servizio Pagina 50