User's Manual Part 3

Power Delta Calibration – continued
Apr 2001
G-5
SC4812ET BTS Optimization/ATP — CDMA LMF
DRAFT
Table G-2: Advantest Power Delta Calibration Procedure
Step Action
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.
25 Press the Preselector CRT menu key to highlight 3.0G.
26 Press the FORMAT key in the Display Control area of the control panel.
27 Press the TRACE CRT menu key.
28 Press the AVG A CRT menu key.
29 Set AVG to 20 using keypad entry keys.
. . . continued on next page
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