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Source of
Uncertainty
Calibrator Amplitudes
Frequency
Response
10 dB)
kmulative
Absolute
Amplitude
Resolution
Bandwidth
Switching
Log Scale
Switching
Option 857
Option 857
Amplitude Uncertainty
Dependent
Variable
None
Tuned Frequency:
100 Hz to 2.5 GHz
2.0 GHz
to 12.5 GHz
12.5 GHz to 18.6 GHz
18.6 GHz to 20.0 GHz
20.0
100 Hz to 20 GHz
100 Hz to 22 GHz
when
Applicable
making absolute
amplitude
measurements
Resolution BW:
10 Hz
30 Hz
100 Hz to 1 MHz
3
MHz
Changing Log
Scale
Incremental error for
between calibration
and measured signal,
over 0 to 80 dB from
reference level
Cumulative Error
10 Hz RES BW
Over 0 to 90 dB
Over 0 to 70 dB
Over 0 to 90 dB
Over 0 to 80 dB
Over 0 to 70 dB
Over top 9-l/2
divisions of displays
With Uncorrected
Readout
(SHIFT)
20°C
to 30°C
0°C to 55°C
f0.3
fl.O dB
f1.7 dB
f1.7 dB
f2.2
f2.2
f3.3
f3.0
f4.1 dB
f2.2
f3.3
f3.0
f4.1 dB
f0.6
f2.3
f0.8 dB
f0.5 dB
f2.0
f0.5
fl.O dB
3 1 . 5 dB
of
Reference
Reference
Level
Level
With Corrected Readoul
(FREQ
E
U
NCY
20°C to 30°C
f0.3
f0.6
f1.7 dB
i-2.2
f2.2
f3.0
f0.6
f0.2
fO.l dB
3 2 . 1 dB
of
Reference
Level
Specifications 3-l 1
of
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