Agilent Technologies N5416A Manual de Serviço descarregar pdf (Página 198)

198 Notes on USB Electrical Compliance Testing

7 Low and Full Speed Tests

Configuring the Tests

Connecting the Equipment

The USB automated test application will prompt you to perform these

connection steps:

1 Attach the current probe:

For the 54831B/D or 54832B/D oscilloscope, attach the 1147A current

probe to the oscilloscope's Channel 4 input.

For the 54853A, 54854A, 54855A oscilloscope:

a Attach the E2697A high- impedance connector to the Channel 4

input.

b Attach the N2774A current probe to the E2697A.

c Attach the N2775A power supply to the N2774A.

d Choose the Setup- >Channel 4- >Probes- >Configure Probing System

command and select "Connect 0.1V/A Current Probe".

2 Zero the current probe.

3 Check I have completed these instructions.

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Agilent Technologies N5416A Manual de Serviço Página 198