Power Linearity Adjustment; Preparatory Steps - Agilent Technologies 8719ET Service Manual

Adjustments and Correction Constants

Power Linearity Adjustment

Power Linearity Adjustment
IMPORTANT "Power Linearity Adjustment"
Adjustments" on page
first. The receiver calibration from
on before starting this test.

Preparatory Steps

1. If you haven't already done so, perform the procedure
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
Power
Table 3-4 Power Linearity Adjustment Values
Power 8719ES,
Settings 8720ES
1 5 dBm
P1
−5 dBm
P2
−15 dBm
P3
1. P1 only applies to 20 GHz for the 8722ET/ES.
4. Press
Scale Ref
"P3" in Table 3-4, then press
MARKER MODE MENU
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
page 3-25.
3-24
3-17. "Output Power Adjustments"
8719ET, 8720ET
8719ES Option 007
8720ES Option 007
10 dBm
0 dBm
−10 dBm
REFERENCE VALUE
.5 x1
. After the "P3" value is entered, press
x1
MKR STATS ON
is a continuation of "Output Power
"Output Power Adjustments"
"Output Power Adjustments," on
Table
8722ET
8722ES
8722ES Option 007
−5 dBm
−10 dBm
−20 dBm
. Enter the power value listed as
. The marker stats will appear on the
"Adjusting the Power Linearity" on
8719ET/20ET/22ET
8719ES/20ES/22ES
RF Network Analyzers
must be performed
must be kept
3-4. Press .
x1
0 dBm
−5 dBm
−15 dBm
Marker Fctn
Service Guide