User's Manual

Power Delta Calibration68P09258A31–A

Oct 2003

1X SCt 4812T BTS Optimization/ATP

H-5

Figure H-2: Delta Calibration Setup – HP8921A to HP8921A

Measurement HP8921A

Source HP8921A

Short RF Cable

DUPLEX

OUT

IN/OUT

FW00802

Advantest R3465 Power Delta Calibration

Follow the procedure in Table H-2 to perform the Advantest R3465

Power Delta Calibration procedure.

Table H-2: Advantest Power Delta Calibration Procedure

Step Action

NOTE

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.

NOTE

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

(see Figure H-3).

12 Press the Output CRT menu key to toggle the Output to ON.

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