User Guide

Band Min Typ Max Unit

Rx chain 2100 or 900 -6 1.5 to 3.5 6 dB

Low

Frequency

-5 -0.7 to 4.0 5

High

Frequency

-5 -0.7 to 4.0 5

Alternative steps

• For sweep mode tuning, set Mode to Local in the Operating Mode dropdown menu.

• In the Tuning menu, choose WCDMA→ Rx Calibration .

• Click Start.

• Select Band, "WCDMA2100 or WCDMA900".

• Check the Sweep Mode box.

• Click Tune.

• Setup the signal generator to correspond with the values on the

Rx Calibration

pop-up window and click

OK.

Figure 33 Pop-up window for WCDMA2100

• Ensure Tuning Results are within limits specified in the table above: If values are OK, click Write to save

the values to the phone.

• Close the tuning window.

WCDMA Transmitter Tunings

Tx AGC & power detector (WCDMA)

Context

Tx AGC & power detector tuning has two purposes:

• to enable the phone to select the correct TxC value accurately in order to produce the required RF level

• to enable the phone to measure its own transmitter power accurately

There are two ways to perform the tuning. For an alternative method, see Alternative steps (page 4–39).

Steps

1. From the Operating mode drop-down menu, set mode to Local.

RM-348; RM-349; RM-350

RF Troubleshooting

Issue 2 COMPANY CONFIDENTIAL Page 4 –33