Keysight Technologies N9040B UXA Signal Analyzer Service Guide 511
Functional Tests
Frequency Readout Accuracy
Frequency Readout Accuracy
Test Limits
Frequency Readout Accuracy is equivalent to the following equation:
See Table 17-2 on page 512 for actual values.
The frequency readout accuracy is measured in several spans and center
frequencies that allow both internal analyzer synthesizer modes and prefilter
bandwidths to be tested. Frequency reference error is eliminated by using the
same frequency standard for the analyzer and signal source.
Figure 17-2 Frequency Readout Accuracy Test Setup
0.25% span 5% RBW 2 Hz 0.5 horizontal resolution×++×+×()±
Item
Critical Specification
(for this test)
Recommended
Keysight Model
Adapter
Type-N (m) to 3.5 mm (f)
Frequency: 10 MHz to 1.51 GHz
VSWR: < 1.1:1
1250-1744
Adapter
3.5 mm (f) to 3.5 mm(f)
Frequency: 10 MHz to 1.51 GHz
VSWR: < 1.1:1
83059B
Cable, 3.5 mm,
1 meter
Frequency: 10 MHz to 1.51 GHz
VSWR: < 1.4:1
11500E
Cable, BNC,
120 cm
Frequency: 10 MHz 10503A
Synthesized Sweeper Frequency: 10 MHz to 1.51 GHz PSG
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