User Guide

Nokia Customer Care

NPL-4/5

- Set operating mode to local mode.

- Select → Tuning (Alt-U)

- Select → Rx Channel Select Filter Calibration (Alt-H)

The setup should now look like this:

Figure 13: Channel Filter Calibration

- Press “Tune” and the optimal values are found.

- Press “Stop”, the values are saved to the phone and the calibration has finished.

The results must fulfill the following limits:

Table 3: Calibration Values

Calibration value / Test case Typical Low limit High limit

DTOS I Address Rc / check rx baseband

filter DTOS_I [DAC]

21 -6 +37

DTOS Q Address Rc / check rx baseband

filter DTOS_Q [DAC]

21 -6 +37

BBF I Address BIQUAD I R / check rx baseband

filter BIQUAD_IR [DAC]

21 -6 +37

BBF I Address BIQUAD I C / check rx baseband

filter BIQUAD_IC [DAC]

21 -6 +37

BBF Q Address BIQUAD Q R / check rx baseband

filter BIQUAD_QR [DAC]

21 -6 +37

BBF Q Address BIQUAD Q C / check rx baseband

filter BIQUAD_QC [DAC]

21 -6 +37