Service Guide 3-51
8719ET/20ET/22ET Adjustments and Correction Constants
8719ES/20ES/22ES Raw Offset Correction Constants
RF Network Analyzers
11.Recalculate ∆ by taking the power meter reading (PMR), adding 4 and then subtracting
the maximum marker reading (MMR).
∆ = (PMR + 4) − (MMR)
If the magnitude of ∆ is less than 0.15 dB, then the offset for the R channel is correctly
set. For ES models, go to “Raw Offset for the A and B Channels (ES Models)” on
page 3-51. For ET Models, go to “Raw Offsets for the A and B Channels (ET Models)” on
page 3-54. If the magnitude is greater than 0.15 dB, repeat steps 1 through 11 until the
R channel raw offset correction constant is achieved.
Raw Offset for the A and B Channels (ES Models)
1. Connect the equipment as shown in Figure 3-14.
Figure 3-14 Setup for the A and B Channels (ES Models)
2. Press the following:
Note the frequency and write it down.
3. Press , and enter the maximum frequency point from step 2.
Press . Note the maximum marker reading
(MMR) and write it down.
Press . Note the displayed test port power (TPP) and write it down.
Preset
Meas
Stop 10 G/n
System
G/n
Power
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