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Step 4.
Move cursor to CALIBRATE RECEIVER and fol
-
low the instructions, as follows:
Connect a through line between Test Port 1 and Test
Port 2. Be sure to include all components that are
part of the measurement path.
Wait until one complete sweep has completed, then
press Enter to store the calibration.
NOTE
It is likely that the trace will be off screen at
the bottom of the display. If so, press
Autoscale to obtain a discernable trace. If
this trace shows vertical instability,
·
Press Video IF BW and select REDUCED
(100 Hz) from the menu
· Press Avg/Smooth Menu and select AV-
ERAGING 100 MEAS. PER POINT
from the menu
· Press Average to turn averaging on
Step 5. Press Appl to return to the gain compression menu,
and follow the prompts to return to Menu GC1. Re-
peat Step 4.
Step 6.
Move the cursor to NORMALIZE S21 (top left),
press Enter, and follow the menu instructions (bot
-
tom left):
Remove the through line and connect the amplifier-
under-test (AUT) between Port 1 and Port 2.
Apply bias to the AUT.
Wait until one complete sweep has completed, then
press Enter to store the normalization measurement.
Step 7.
Move the cursor to TEST AUT (top left) and press
Enter.
MEASUREMENTS GAIN COMPRESSION
37xxxE OM 8-53
MENU GC1
SWEPT FREQUENCY
GAIN COMPRESSION
NOMINAL OFFSET
-10.00 dB
CALIBRATE
FOR FLATNESS
(]CAL EXISTS)
FLATNESS
CORRECTION
AT -25.00 dBm
CALIBRATE
RECEIVER
(CAL EXISTS)
NORMALIZE S21
([NOT]STORED)
GAIN COMPRESSION
POINT (0 dB REF)
1.00 dB
TEST AUT
EXIT APPLICATION
MENU GC_SU8A
RECEIVER
CALIBRATION
CONNECT
THROUGHLINE
BETWEEN
TEST PORTS
INCLUDE ANY
COMPONENTS WHICH
ARE PART OF THE
MEASUREMENT PATH
WAIT FOR ONE
COMPLETE SWEEP
BEFORE STORING
PRESS <ENTER>
TO STORE
PRESS <CLEAR>
TO ABORT