User Manual

Test Equipment Setup
68P09255A57-2
Aug 2002
SC4812ET Optimization/ATP Manual Software Release R16.1.x.x
PRELIMINARY
F-12
Calibrating Test Cable Setup
using HP PCS Interface (HP83236)
Table F-9 covers the procedure to calibrate the test equipment using
the HP8921 Cellular Communications Analyzer equipped with the
HP83236 PCS Interface.
NOTE Table:note. Note 10pt Helvetica
This calibration method must be executed with great care. Some
losses are measured close to the minimum limit of the power
meter sensor (-30 dBm).
Prerequisites
Ensure the following prerequisites have been met before proceeding:
 Test equipment to be calibrated has been connected correctly for cable
calibration.
 Test equipment has been selected and calibrated.
Table F-9: Calibrating Test Cable Setup (using the HP PCS Interface)
Step Action
NOTE
Verify that GPIB controller is turned off.
1 Insert HP83236 Manual Control System card into memory card slot.
2 Press the Preset pushbutton.
3 Under Screen Controls, press the TESTS pushbutton to display the TESTS (Main Menu) screen.
4 Position the cursor at Select Procedure Location and select it. In the Choices selection box, select
CARD.
5 Position the cursor at Select Procedure Filename and select it. In the Choices selection box, select
MANUAL.
6 Position the cursor at RUN TEST and select it. HP must be in Control Mode Select YES.
7 If using HP 83236A:
Set channel number=<chan#>:
- Position cursor at Channel
Number and select it.
- Enter the chan# using the numeric
keypad; press [Enter] and the
screen will go blank.
- When the screen reappears, the
chan# will be displayed on the
channel number line.
If using HP 83236B:
Set channel frequency:
- Position cursor at Frequency Band and press Enter.
- Select User Defined Frequency.
- Go Back to Previous Menu.
- Position the cursor to 83236 generator frequency and
enter actual RX frequency.
- Position the cursor to 83236 analyzer frequency and
enter actual TX frequency.
8 Set RF Generator level:
- Position the cursor at RF Generator Level and select it.
- Enter -10 using the numeric keypad; press [Enter] and the screen will go blank.
- When the screen reappears, the value -10 dBm will be displayed on the RF Generator Level line.
. . . continued on next page
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