Agilent Technologies 1690 manual Self-Tests Descriptions, Power-up Self-Tests 1680A,AD-series, 167

Chapter 8: Theory of Operation

Self-Tests Descriptions

Self-Tests Descriptions

The self-tests identify the correct operation of major functional areas in the logic analyzer. The self-tests are not intended for component-level diagnostics.

Three types of tests are performed on the Agilent 1680A,AD- and 1690A,AD- series logic analyzers: the power-up self-tests, the functional performance verification self-tests, and the parametric performance verification tests.

The power-up self-tests are performed when power is applied to the instrument.

The functional performance verification self-tests are run using a separate operating system, the performance verification (PV) operating system.

Parametric performance verification requires the use of external test equipment that generates and monitors test data for the logic analyzer to read. The performance verification procedures in chapter 3 of this service guide make up the parametric performance verification for the logic analyzer. Refer to chapter 3, "Testing Performance," for further information about parametric performance verification.

Power-up Self-Tests (1680A,AD-series)

The power-up self tests on the 1680A,AD-series logic analyzers is performed by the Microsoft Windows ® 2000 Professional operating system. As part of the Windows 2000 Professional power on self test (POST), the presence of all required system components is verified. When the text "Starting Windows . . ." appears, this means required system components have been detected and have passed their individual power-up self-tests.

For more information on the Windows ® 2000 Professional POST, refer to Microsoft on-line(http://www.microsoft.com) and the Microsoft Support Services Knowledge Base (http://search.support.microsoft.com/kb/).

Connectivity Tests (1690A,AD-series)

A Connectivity test routine is done on an Agilent 1690A,AD-series hosted logic analyzer when it is connected to a host PC. A communications test is first done on the hosted logic analyzer when the IEEE 1394 plug and play interface is connected between the host PC and the logic analyzer. After the communications test is successfully completed, an operational accuracy calibration is done on the logic analyzer to test the major subsystems of logic analyzer acquisition and to initialize the acquisition system.

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