34 Keysight FieldFox Handheld Analyzers Service Guide
Tests and Adjustments
Operational Check
3-
Operational Check
This operational check exercises only very basic measurement functionality.
Required Equipment
A short compatible with the port connector type on the FieldFox.
A load compatible with the port connector type on the FieldFox.
(Both are typically available in a compatible cal kit.)
Procedure
1. Press Preset > Preset (Factory). The top-left corner of the FieldFox display
indicates the active measurement type following the preset.
2. If the active measurement is SA then skip to step 5 below.
If the active measurement is S11 or CAT then complete this step below:
— Connect a short to Port 1.
— Displayed trace should be within 4 dB of zero.
— Connect a load to Port 1.
— Displayed trace should approximate the value of load, typically it
will be below 20 dB (20 dB for CAT mode).
3. Press Mode. If NA is not available, skip to step 5 below.
If NA is available then continue at step 4 below.
4. Press NA then press Measure (1). If S22 is not available then skip to step 5
below.
If S22 is available then continue this step below:
— Connect a short to Port 2.
— Press S22
— Displayed trace should be within 4 dB of zero.
— Connect a load to Port 2
— Displayed trace should approximate the value of load, typically it
will be below 20 dB.
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