User Manual

Calibrating Output Power68P09255A57-2
Aug 2002
SC4812ET Optimization/ATP Manual Software Release R16.1.x.x
PRELIMINARY
G-5
Table G-2: Advantest Power Delta Calibration Procedure
Step Action
* IMPORTANT
Perform this procedure after test equipment has been allowed to warm-up and stabilize for a minimum
of 60 minutes.
On the Advantest R3465:
1 Press the SHIFT and the PRESET keys located below the CRT display.
2 Press the ADVANCE key in the Measurement area of the control panel.
3 Press the CDMA Sig CRT menu key.
4 Press the FREQ key in the Entry area of the control panel.
5 Set the frequency to the desired value using the keypad entry keys.
6 Press the LEVEL key in the Entry area of the control panel.
7 Set the LEVEL to 0 dBm using the keypad entry keys.
8 Verify the Mod CRT menu key is highlighting OFF, if not press the Mod key to toggle it OFF.
9 Verify the Output CRT menu key is highlighting OFF, if not press the Output key to toggle it OFF.
On the HP 437 Power Meter:
10 Zero the Power Meter prior to connecting the power sensor to the RF cable from the signal generator.
* IMPORTANT
For best accuracy, always re-zero the power meter before connecting the power sensor to the
component being calibrated.
11 Connect the RF cable from the R3561L CDMA Test Source Unit RF OUT port to the power sensor,
refer to Figure G-3.
12 Press the Output CRT menu key to toggle the Output to ON.
13 Record the Power Meter reading as result A ________________________.
14 Press the Output CRT menu key to toggle the Output to OFF.
15 Connect the RF cable from the R3561L CDMA Test Source Unit RF OUT port to the Spectrum
Analyzer INPUT Port, refer to Figure G-4.
16 Press the Output CRT menu key to change the Output to ON.
17 Press the CW key in the Measurement area of the control panel.
18 Press the LEVEL key in the Entry area of the control panel.
19 Set the REF LEVEL to 10 dBm using the keypad entry keys.
20 Press the dB/div CRT menu key.
21 Press the 10 dB/div CRT menu key.
22 Press the FREQ key in Entry area of the control panel.
23 Set the frequency to the desired value using the keypad entry keys.
24 Press the more 1/2 CRT menu key.
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