Agilent Technologies 54502A Manuale di Servizio Scaricare il pdf (Pagina 66)

14. Return to the Timing Format Specification and change the User Defined pod

threshold to -9.9 V.

15. Adjust power supply for output of -9.6 V.

16. Press RUN. Data displayed on Timing Waveforms is all high for the pod and

channels under test as in previous test figure 3-39.

17. Adjust power supply for output of -10.2 V.

18. Press RUN. Data displayed on Timing Waveforms is all low for the pod and

channels under test as in previous test figure 3-40.

19. Remove the probe tip assembly from the logic analyzer probe cable and

attach to the next logic analyzer probe cable to be tested. Take care not to

dislodge grabbers from the test connector.

20. Repeat steps 2 through 18 until all pods have been tested (pods 1 through 5).

21. Disconnect lower eight bits (bits 0 through 7) from test connector. Attach

upper eight bits (bits 8 through 15) to the test connector.

22. Repeat steps 2 through 19 until the upper bits of all pods have been tested

(pods 1 through 5).

HP 1650B/1651B Performance Tests

Service Manual 3-31

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Agilent Technologies 54502A Manuale di Servizio Pagina 66