HP 85106D, Manual

Page: 92 / 244

HP 85106D mm-Wave System 3-7
Performance Verification
Calibration
Calibration
Loading the
Calibration Disk
Load the Calibration Kit disk as follows:
1. Insert the standards definition disk and press:
a. [
DISK
], {
LOAD
}, {
CAL KIT *1
}.
b. {
CAL KIT*1
}, {
*file 1
}. If an asterisk (*) appears next to file 2, press
{
*File 2
} after file 1 is loaded.
2. Press [
CAL
] again and verify whether the proper files are loaded. The
HP 8510C softkey field should display the calibration type and the cal
kit tape constants revision number. Remove the disk after the file is
loaded.
3. Press {
RESUME
} twice if you are ready to calibrate. The program sets the
HP 8510C up and places it in LOCAL operation so you can calibrate the
system using the front panel keys.
SYSTEM Z
o
Press [
CAL
] {
MORE
} {
SET Z0
} [
1
] [
x1
].
4. Perform the Calibration. You need the Pull 2-port calibration for
S-parameter test sets, as in the HP 85106D System.
5. On the HP 8510 press [
CAL
]. Then select {
TRL 2-PORT
}.
6. Next, a series of softkey selections appear on the display: {
REFLECTION
}
{
TRANSMISSION
}{
ISOLATION
} and{
LINE
}. When you press one, another set
of softkeys will appear. Connect each device as directed; the HP 8510C
underlines each device label when the measurement is complete.
If desired, refer to the step-by-step TRL calibration procedure in Chapter 2,
“Operation” of this manual.
7. After making all calibration measurements, press the appropriate {
DONE
}
softkey when the last measurement is completed.
8. Store the calibration in a Cal Set Register (1 through 8) by pressing the
accompanying softkey. If an asterisk (*) appears alongside one of the cal
set registers, a calibration set is already stored there.