Chapter 2 267
Performance Verification Tests
31. Spurious Responses: Agilent E4402B and E4403B
Distortion Amplitude (in dB) from the Mixer Level (in dBm). Enter
the result in Table 2-72 as the Calculated TOI. For example, if the
Worst Distortion Amplitude is –62 dBc and the Mixer Level is –17
dBm, the Calculated TOI would be:
30.If the analyzer is an E4402B and is equipped with Option 1DR,
Narrow Resolution Bandwidth, perform step 31 through step 36.
Otherwise, continue with step 37.
31.Set synthesized signal generator frequency to F1 as indicated in
Table 2-71 for TOI Test 1.
32.Set synthesized sweeper CW frequency to F2 as indicated in
Table 2-71 for TOI Test 1.
33.Press Preset on the analyzer. Press the Factory Preset softkey, if it is
displayed. Press System, Alignments, Auto Align, Off. Set the analyzer
center frequency to the F1 value for TOI Test Option 1DR in Table
2-71. Then, set the analyzer by pressing the following keys:
FREQUENCY, CF Step, 50 kHz (Man)
SPAN, 20 kHz
AMPLITUDE, More, Y Axis Units (or Amptd Units), dBm
AMPLITUDE, Ref Level, –5 dBm
AMPLITUDE, Attenuation, 5 dB (Man)
BW/Avg, 1 kHz (Man)
BW/Avg, Video BW, 300 Hz (Man)
Peak Search (or Search), More,
Search Param (or Search Criteria), Peak Excursn, 3 dB
34.On the analyzer, press the following keys:
Peak Search (or Search)
Marker →
Mkr → CF
35.Set the analyzer as follows:
SPAN, 500 Hz
BW/Avg, Res BW, 30 Hz
Video BW, 10 Hz
TOI 17 dBm 62 dB
2
--------------–
⎝⎠
⎛⎞
–– 17 dBm 31 dB+– +14 dBm===
Table 2-72 Third Order Intermodulation Distortion Worksheet
TOI Test Lower
Distortion
Amplitude
Upper
Distortion
Amplitude
Worst
Distortion
Amplitude
Mixer
Level
Test Record
Entry
Calculated TOI
11)
Option 1DR 2)