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Step 1. Set-up the measurement as shown in Figure 8-36,
previous page.
Step 2. Perform a 12-term calibration on the VNA over the
frequency range of interest with reference planes at
the modulator input and the photo-receiver DUT
output. (Refer to section 7-4 for the 12-term calibra
-
tion steps.)
Step 3. Press Save/Recall to save the calibration and set up
to the SD Card or USB drive.
Step 4. Press the Appl key to display the applications menu
(left).
Step 5.
Move the cursor to O/E MEASUREMENT and
press Enter.
This brings up menu DE2 (bottom left) and the
step-by-step procedure for making the measurement
as shown in Figure 8-37, below.
37xxxE OM 8-69
MEASUREMENTS OPTICAL APPLICATION
MENU APPL
APPLICATIONS
ADAPTER REMOVAL
SWEPT FREQUENCY
GAIN COMPRESSION
SWEPT POWER
GAIN COMPRESSION
E/O MEASUREMENT
O/E MEASUREMENT
MERGE CAL FILES
PRESS <ENTER>
TO SELECT
MENU DE2
O/E MEASUREMENT
DE-EMBED O/E S2P
(DETECTOR STD)
GENERATE E/O S2P
CHARACTERIZATION
(MODULATOR)
MEASURE O/E DUT
(DETECTOR)
PRESS <ENTER>
TO SELECT
PRESS <CLEAR>
TO ABORT
Figure 8-37. O/E Measurement Menu