Chapter 2 141
Performance Verification Tests
18. Absolute Amplitude Accuracy (Reference Settings): Agilent E4402B, E4403B, E4404B,
E4405B, E4407B, and E4408B
5. Set the analyzer by pressing the following keys:
FREQUENCY, Center Freq, 50 MHz
SPAN, 2 kHz
BW/ Avg, Resolution BW, 1 kHz (Man)
BW/Avg, Video BW, 1 kHz (Man)
AMPLITUDE, Scale Type (Log)
AMPLITUDE, More, Y Axis Units, dBm
AMPLITUDE, Ref Level, −30 dBm
AMPLITUDE, Attenuation, 0 dB
AMPLITUDE, More, Int Preamp (On)
Det/Demod, Detector, Sample
6. Press AMPLITUDE, More, Y Axis Units (or Amptd Units), Volts.
7. Press Peak Search (or Search).
8. Convert the marker amplitude reading from Volts to dBm using the
equation below:
Marker Amptd (dBm) ________ dBm
9. Subtract the Corrected Power Meter Reading noted in step 4 from
the Marker Amptd (dBm) recorded in step 8. Record the difference,
Absolute Amplitude Accuracy (Log), as TR Entry 3 in the
performance verification test record:
Absolute Amplitude Accuracy (Log) = Marker Amptd (dBm) -
Corrected Power Meter Reading (dBm)
10.Press AMPLITUDE, Scale Type (Lin), More, Y-Axis Units (or Amptd
Units), Volts.
11.Press Peak Search (or Search).
12.Convert the marker amplitude reading from Volts to dBm using the
equation below:
Marker Amptd (dBm) ________ dBm
13.Subtract the Corrected Power Meter Reading noted in step 4 from
the Marker Amptd (dBm) recorded in step 12. Record the difference,
Absolute Amplitude Accuracy (Lin), as TR Entry 4 in the
performance verification test record:
Absolute Amplitude Accuracy (Lin) = Marker Amptd (dBm) -
Corrected Power Meter Reading (dBm)
14.Press Preset and wait for the preset routine to finish. Press System,
50Ω Input Marker Amptd (dBm) =10 log10
×Mkr V2
0.05
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50Ω Input Marker Amptd (dBm) =10 log10
×Mkr V2
0.05
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⎝⎠
⎛⎞
⎝⎠
⎛⎞