User's Manual

Test Equipment Set-up

68P09258A31–A

Oct 2003

1X SCt 4812T BTS Optimization/ATP

F-24

Calibrating Test Cable Setup using Advantest R3465

NOTE

Be sure the GPIB Interface is OFF for this procedure.

Perform the procedure in Table F-16 to calibrate the test cable setup

using the Advantest R3465. Advantest R3465 Manual Test setup and

calibration must be performed at both the TX and RX frequencies.

Table F-16: Procedure for Calibrating Test Cable Setup Using Advantest R3465

Step Action

NOTE

– This procedure can only be performed after test equipment has been allowed to warm–up and

stabilize for a minimum of 60 minutes.

1 Press the SHIFT and the PRESET keys located below the display.

2 Press the ADVANCE key in the MEASUREMENT area of the control panel.

3 Select the CDMA Sig CRT menu key.

4 Select the Setup CRT menu key.

5 Using the vernier knob and the cursor keys set the following parameters:

NOTE

Fields not listed remain at default.

Generator Mode: SIGNAL

Link: FORWARD

Level Unit: dBm

CalCorrection: ON

Level Offset: OFF

6 Select the return CRT menu key.

7 Press FREQ key in the ENTRY area.

8 Set the frequency to the desired value using the keypad entry keys.

9 Verify that the Mod CRT menu key is highlighting OFF; if not, press the Mod key to toggle it OFF.

10 Verify that the Output CRT menu key is highlighting OFF; if not, press the Output key to toggle it

OFF.

11 Press the LEVEL key in the ENTRY area.

12 Set the LEVEL to 0 dBm using the key pad entry keys.

13 Zero power meter. Next connect the power sensor directly to the “RF OUT” port on the R3561L

CDMA Test Source Unit.

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

15 Record the power meter reading ________________________

16 Disconnect the power meter sensor from the R3561L RF OUT jack.

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