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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:
Self-Test A series of internal verification tests that give a high
confidence that the function generator is operational.
Quick Verification A combination of the internal self-tests and
selected verification tests.
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.
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).
If the self-test is successful, “PASS” is displayed on the front panel.
If the self-test fails, “FAIL” is displayed and the ERROR annunciator
turns on. If repair is required, see chapter 6, “Service,” for further details.
If all tests pass, you have a high confidence (90%) that the function
generator is operational.
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Chapter 4 Calibration Procedures
Performance Verification Tests
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