User Manual
Test Equipment Setup68P09255A57-2
Aug 2002
SC4812ET Optimization/ATP Manual Software Release R16.1.x.x
PRELIMINARY
F-19
Calibrating HP 437 Power Meter
Precise transmit output power calibration measurements are made using
a bolometer-type broadband power meter with a sensitive power sensor.
Follow the steps outlined in Table F-11 to enter information unique to
the power sensor before calibrating the test setup. Refer to Figure F-8 as
required.
NOTE Table:note. Note 10pt Helvetica
This procedure must be done in conjunction with the automated
calibration to enter power sensor specific calibration values.
Figure F-8: Power Meter Detail
CONNECT POWER
SENSOR WITH POWER
METER TURNED OFF
CONNECT POWER SENSOR
TO POWER REFERENCE
WHEN CALIBRATING UNIT.
POWER REFERENCE IS
ENABLED USING THE SHIFT
KEYS
SHIFT (BLUE) PUSHBUTTON -
ACCESSES FUNCTION AND
DATA ENTRY KEYS IDENTIFIED
WITH LIGHT BLUE TEXT ON
THE FRONT PANEL ABOVE
THE BUTTONS
FW00308
Table F-11: Power Meter Calibration Procedure
Step Action
! CAUTION
Do not connect/disconnect the power meter sensor cable with ac power applied to the meter.
Disconnection could result in destruction of the sensing element or mis-calibration.
1 - Make sure the power meter AC LINE pushbutton is OFF.
- Connect the power sensor cable to the SENSOR input.
2 Set the AC LINE pushbutton to ON.
NOTE
The calibration should be performed only after the power meter and sensor have been allowed to
warm-up and stabilize for a minimum of 60 minutes.
3 Perform the following to set or verify the GPIB address:
- To enter the SPECIAL data entry function, press
[SHIFT] then [PRESET].
- Use the [] or [] button to select HP-IB ADRS; then press [ENTER].
- Use the
[] or [] button to select HP-IB ADRS 13; then press [ENTER].
-To EXIT the SPECIAL data entry function press
[SHIFT] then [ENTER].
. . . continued on next page
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