Anritsu 37 D Series, Руководство по обслуживанию, Страница: 66 / 190

4-4
PERFORMANCE TESTS
The 37XXXD performance tests are contained within one executable
program (3700TEST.EXE), Anritsu Software Part Number 2300-178.
This includes approximately 15 different tests that cover nearly all of
the RF devices and circuits within the VNA and is applicable for all
37XXXA/B/C/D model instruments.
The user interface consists of a single display from which the operator
can control all aspects of the test program. It is suggested that the
tests be performed in the sequence that they are shown on the display
(top-to-bottom sequence), but this is not required. Any test may be per-
formed multiple times or in any sequence. These tests should be per-
formed prior to the verification tests described in Chapter 5, System
Performance Verification.
The test program determines the model of the VNA and displays the
applicable tests. One general test record and several data files will be
created on the PC in a folder labeled 37000. This general test record
records only Pass, Fail, Not Applicable, or Not Performed for each test.
Other data files will record numerical data, if you so choose. All data
files are readable and printable by a text reader such as Notepad.
Each test displays instructions for the operator. Some tests will
prompt the operator for frequency characteristics of external test
equipment connected.
Test Specifications Specifications are clearly labeled as being “Typical” or “Guaranteed.”
The following tests have specifications that are guaranteed (repairable
at no charge by Anritsu during the warranty period):
q Low Power Phase Lock
q Port 1 Power
q Source Match
q Directivity
q System Dynamic Range
All tests that are designated guaranteed allow the operator to store
numerical test data to a file. Tests having guaranteed specifications
must be performed under test program control.
Specifications that are typical are identical to factory specifications for
new instruments. Anritsu does not guarantee the VNA will meet these
specifications. If a test fails by a small margin, this does not indicate a
problem with the instrument.
PERFORMANCE TESTS OPERATIONAL TESTS
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