Chapter 4 Calibration Procedures

Performance Verification Tests

Performance Verification Tests

The performance verification tests use the function generator’s specifications listed in chapter 1, “Specifications,” starting on page 13.

You can perform four different levels of performance verification tests:

 

œ

Self-TestA series of internal verification tests that give a high

 

 

confidence that the function generator is operational.

Q

œ

Quick Verification A combination of the internal self-tests and

 

 

selected verification tests.

P

œ

Performance Verification Tests An extensive set of tests that are

 

 

recommended as an acceptance test when you first receive the function

 

 

generator or after performing adjustments.

Oœ Optional Verification Tests Tests not performed with every calibration. These tests can can be used to verify additional instrument specifications following repairs to specific circuits.

Self-Test

A brief power-on self-test occurs automatically whenever you turn on the function generator. This limited test assures that the function generator is capable of operation.

To perform a complete self-test hold down the Shift key as you press the Power switch to turn on the function generator; hold down the key for more than 5 seconds (a complete description of these tests can be found in chapter 6). The function generator will automatically perform the complete self-test procedure when you release the key. The self-test will complete in approximately 5 seconds.

You can perform many tests individually (or all tests at once) using the TEST command in the SYS MENU. You can also perform a self-test from the remote interface (see chapter 3 in the Agilent 33120A User’s Guide).

œIf the self-test is successful, “PASS” is displayed on the front panel.

œIf the self-test fails, “FAIL” is displayed and the ERROR annunciator turns on. If repair is required, see chapter 6, “Service,” for further details.

œIf all tests pass, you have a high confidence (90%) that the function generator is operational.

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Agilent Technologies 33120A manual Performance Verification Tests, Self-Test