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34 Chapter 1
Agilent EXA Signal Analyzer
Amplitude Accuracy and Range
Description Specifications Supplemental Information
Absolute Amplitude Accuracy
At 50 MHz
a
20 to 30°C
5 to 50°C
a. Absolute amplitude accuracy is the total of all amplitude measurement errors, and applies over
the following subset of settings and conditions: 1 Hz ≤ RBW ≤1 MHz; Input signal −10 to
−50 dBm; Input attenuation 10 dB; span <5 MHz (nominal additional error for span ≥ 5 MHz
is 0.02 dB); all settings auto-coupled except Swp Time Rules = Accuracy; combinations of
low signal level and wide RBW use VBW ≤30 kHz to reduce noise.
This absolute amplitude accuracy specification includes the sum of the following individual
specifications under the conditions listed above: Scale Fidelity, Reference Level Accuracy,
Display Scale Switching Uncertainty, Resolution Bandwidth Switching Uncertainty, 50 MHz
Amplitude Reference Accuracy, and the accuracy with which the instrument aligns its internal
gains to the 50 MHz Amplitude Reference.
±0.40 dB
±0.43 dB
±0.15 dB
(95
th
percentile)
At all frequencies
a
20 to 30°C
5 to 50°C
±(0.4 dB + frequency response)
±(0.43 dB + frequency response)
95
th
Percentile Absolute
Amplitude Accuracy
b
Wide range of signal levels,
RBWs, RLs, etc.
0.01 to 3.6 GHz, Atten = 10 dB
±0.27 dB
Amplitude Reference Accuracy ±0.05 dB (nominal)
Preamp On
c
Option P03
±(0.39 dB + frequency
response) (nominal)