Chapter 3 3-43
Adjustments and Correction Constants
Frequency Accuracy Adjustment
Frequency Accuracy Adjustment
Required Equipment and Tools
Analyzer warm-up time: 30 minutes.
This adjustment sets the VCXO (voltage controlled crystal oscillator) frequency to
maintain the instrument’s frequency accuracy.
1. Remove the upper-rear bumpers and analyzer top cover.
2. Connect the equipment as shown in Figure 3-17.
Description HP/Agilent Part or Model Number
Spectrum analyzer 8563E
RF Cable: 50Ω Type-N, 24-inch 8120-4781
Non-metallic adjustment tool 8830-0024
Antistatic wrist strap 9300-1367
Antistatic wrist strap cord 9300-0980
Static-control table mat and ground wire 9300-0797
Additional Equipment for 50Ω Analyzers
Adapter APC-7 to Type-N (f) (8753ES only) 11524A
Additional Equipment for 75Ω Analyzers
Minimum loss pad 11852B
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