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Swept Frequency Gain Compression Measurement
The following procedure describes the Swept Frequency Gain Com
-
pression Measurement.
Preliminary: Refer to Figure 8-28 and set the Power Control and Port
1 Attenuator for the values shown in the power plan for the example,
or in the power plan constructed for measurement of a test device.
These power plan values should also be used in the S-parameter cali
-
bration that may be performed using the Begin Cal key and menus.
Step 1. Press the Appl key.
Step 2.
Move cursor to SWEPT FREQUENCY GAIN
COMPRESSION and press Enter, when menu
APPL (top left) appears.
Step 3. When menu GC3 (bottom left) appears, follow the di
-
rections that appear adjacent to the menu, as de
-
scribed below:
Move the cursor to NOMINAL OFFSET, enter the
value of any external device(s) connected between
the front panel Input and Output connectors. Press
the Enter key when done.
Optionally, move the cursor to CALIBRATE FOR
FLATNESS, press Enter and follow the instruction
menu as described on the following page.
If a calibration already exists, the menu choice will
indicate CAL EXIST in blue letters.
MEASUREMENTS GAIN COMPRESSION
37xxxE OM 8-51
MENU APPL
ADAPTER REMOVAL
SWEPT FREQUENCY
GAIN COMPRESSION
SWEPT POWER
GAIN COMPRESSION
E/O MEASUREMENTS
O/E MEASUREMENTS
MERGE CAL FILES
PRESS <ENTER>
TO SELECT
MENU GC3
SWEPT FREQUENCY
GAIN COMPRESSION
NOMINAL OFFSET
0.00 dB
CALIBRATE
FOR FLATNESS
(N0 CAL EXISTS)
FLATNESS OFF
CORRECTION
CALIBRATE
RECEIVER
[NO CAL EXISTS)
NORMALIZE S21
(NOT STORED)
GAIN COMPRESSION
POINT (0 dB REF)
1.00 dB
TEST AUT
EXIT APPLICATION
.
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Measurement
Enhancement
Channels
Display
Appl