Keysight N5244A/45A Service Guide 3-49
Tests and Adjustments
Adjustments
Adjustments
These adjustments are firmware-driven tests that are used to fine-tune your
analyzer.
If multiple adjustments are to be performed, perform them in the order listed.
—
“10 MHz Frequency Reference Adjustment” on page 3-49
—
“Synthesizer Bandwidth Adjustment” on page 3-50
—
“Source Adjustment” on page 3-50
—
“IF Gain Adjustment” on page 3-51
—
“Receiver Characterization” on page 3-51
—
“Receiver Adjustment” on page 3-52
—
“EE Default Adjustment” on page 3-54
—
“IF Response Adjustment (Option 090, 093, or 094 Only)” on page 3-54
—
“Noise Figure Adjustment (Available with Option 029 Installed)” on
These adjustments are described on the following pages.
10 MHz Frequency Reference Adjustment
The 10 MHz frequency adjustment is used to adjust the frequency accuracy of
the network analyzer’s 10 MHz frequency reference on the A14 frequency
reference board assembly.
Equipment Used for the 10 MHz Frequency Reference Adjustment
Procedure
1.
Connect the equipment as shown in
. Connect a GPIB cable
between the network analyzer and the frequency counter.
Equipment Type
Model or Part Number
Alternate Model or Part Number
Cable, BNC, 50
Ω
, 24 inch
8120-1839
Any
Frequency counter
53151A, Option 001
Any that will measure a signal at 10 MHz.
This adjustment typically adjusts to within
±
0.01 ppm.
Содержание PNA-X N5244A
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Страница 90: ...3 62 Keysight N5244A 45A Service Guide Tests and Adjustments Adjustments 3 ...
Страница 146: ...4 56 Keysight N5244A 45A Service Guide Troubleshooting Instrument Block Diagrams Sheet 4 4 ...
Страница 155: ...Keysight N5244A 45A Service Guide 5 9 Theory of Operation Synthesized Source Group Operation Figure 5 3 Source Group ...
Страница 174: ...5 28 Keysight N5244A 45A Service Guide Theory of Operation Receiver Group Operation 5 Figure 5 6 4 Port Receiver Group ...
Страница 175: ...Keysight N5244A 45A Service Guide 5 29 Theory of Operation Receiver Group Operation Figure 5 7 2 Port Receiver Group ...
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