3-12 Keysight N5227B Service Guide
Tests and Adjustments
Preliminary Checks
3-
Preliminary Checks
Preliminary checks include the following:
—
“The Operator’s Check” on page 3-12
The operator’s check tests the network analyzer’s basic functionality of the
source, switch, and receivers.
—
“The Test Port Cable Checks” on page 3-14
The test port cable checks are not required, but are recommended to verify
the performance of the test port cables before performing the verification
test.
The Operator’s Check
The operator’s check is a software driven test that checks the basic operation
of the assemblies in all of the measurement port signal paths. By performing
the operator’s check, the following are determined:
— attenuation ranges of all installed attenuators
— calibration of the receivers
— frequency response of the receivers
— phase lock and leveling
— basic functional test of noise floor and trace noise
Accessories Used in the Operator’s Check
Performing the Operator’s Check
1.
Press UTILITY
, then
, then
.
2.
In the PNA Operator’s Check dialog box (refer to
), under
Configure, select either Prompt for attachment of Short/Open, to pause at
each step in the process to allow moving the short/open to the
appropriate port, or Shorts/Opens are attached to ALL ports, to run
through the test without stopping. Shorts and opens can be mixed on the
test ports.
3.
Click Begin.
To achieve the maximum system stability, allow the analyzer to warm up
for at least 90 minutes before performing the Operator’s Check.
Equipment Type
Part Number
Female short, 1.85 mm
(any short from the 85058B/E calibration kits)
Female open, 1.85 mm
(any open from the 85058B/E calibration kits)
System
Service
Operator’s Check
Содержание N5227B
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