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Measuring Spread Spectrum and Multitone Signals
24
Multitone Signal Measurements
In addition to wide dynamic range, the HP E-series E9300 power sensors also
have an exceptionally flat calibration factor versus frequency response across
the entire frequency range as shown in Figure 8. This is ideal for amplifier
intermodulation distortion measurements where the components of the
two-tone or multitone test signal can be separated by hundreds of MHz.
Figure 8 Calibration Factors versus Frequency
Simply select an suitable single calibration factor frequency for your
measurement using the key on the power meter.
110 %
105 %
100 %
95 %
90 %
0 5 10 15 20
110 %
105 %
100 %
95 %
90 %
0 5 10 15 20
Cal Factor
Frequency (GHz)
Typical Lower Range
Calibration Factor
Typical Upper Range
Frequency (GHz)
Cal Factor
Calibration Factor
Cal Fac
Frequency