3-24 Service Guide
Adjustments and Correction Constants 8719ET/20ET/22ET
Power Linearity Adjustment 8719ES/20ES/22ES
RF Network Analyzers
Power Linearity Adjustment
IMPORTANT “Power Linearity Adjustment” is a continuation of “Output Power
Adjustments” on page 3-17. “Output Power Adjustments” must be performed
first. The receiver calibration from “Output Power Adjustments” must be kept
on before starting this test.
Preparatory Steps
1. If you haven't already done so, perform the procedure "Output Power Adjustments," on
page 3-17.
2. Connect a cable between PORT 1 and PORT 2 (REFLECTION port and
TRANSMISSION port on the ET models).
3. Press and enter the power value listed as “P3” in Table 3-4. Press .
4. Press . Enter the power value listed as
“P3” in Table 3-4, then press . After the “P3” value is entered, press
. The marker stats will appear on the
display.
The displayed trace should be centered on the reference (±0.5 dB).
• If the trace is not centered on the reference, continue with the next step.
• If the trace is centered on the reference, go to “Adjusting the Power Linearity” on
page 3-25.
Table 3-4 Power Linearity Adjustment Values
Power
Settings
8719ES,
8720ES
8719ET, 8720ET
8719ES Option 007
8720ES Option 007
8722ES
8722ET
8722ES Option 007
P1
1
1. P1 only applies to 20 GHz for the 8722ET/ES.
5 dBm 10 dBm −5 dBm 0 dBm
P2 −5 dBm 0 dBm −10 dBm −5 dBm
P3 −15 dBm −10 dBm −20 dBm −15 dBm
Power x1
Scale Ref .5 x1
x1 Marker Fctn
To Next Page
Loading...
Need help?
General
