Agilent Technologies N5416A Servisní příručka stáhnout pdf (Strana 86)

86 Notes on USB Electrical Compliance Testing

4 Hub Hi-Speed Tests

Hub Disconnect Detect

Equipment Used

Selecting the Tests

Tabl e 1 8 Equipment Used in Hub Disconnect Detect

Quantity Item Description/Model

1 Oscilloscope Agilent 5485xA, 9000A Series, 80000 or 90000A Series

1 Differential probe Agilent 113xA with E2699A or E2678A

1 Header adapter (only

needed if you are using

the old test fixture -

E2645-66506)

Agilent 01131-68703

1 Host test bed computer Any computer with hi-speed USB ports

1 Host Disconnect test

fixture and 4” USB cable

Agilent E2649-66404 (old fixture P/N E2645-66506)

1 5V power supply Agilent 0950-2546 or equivalent

1 5 meter USB 2.0 hi-speed

cable

Any listed on USB-IF web site

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 235 236

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Agilent Technologies N5416A Servisní příručka Strana 86