RX Calibration

The "RX calibration" is used to determine gain at different gain-settings for front-end and Hagar and needs to be done in both bands, but the calibration only have to be started once, it will automatically proceed to the PCN band after EGSM.

Select: Tuning Alt+t

RX Calibration r

RX Calibration |

A

Set RF generator to high reference:

LLj

Frequency

947.06771MHz

Level

■55.000000 dB m

Note: attenuations

! OK !

Cancel

Note: Always use the latest Wintesla support DLLs

Connect an external generator to the phones RF connector and set the generator as the window tells you.

Click OK in the Wintesla window, now a new window pops up: Change the level on the generator as the window tells you. Click OK in the Wintesla window, now a new window pops up:

RX Calibration

E3

A

Set RF generator to low reference:

ILj

Frequency Level

947.06771 MHz -86.00000 dB m

Note: attenuations.

! OK !

Cancel

Figure 18.

Technical Documentation 7. Service Software Instructions

Figure 19.

Difference between the gain steps should be ~10dB±1dB .

Change the level and frequency on the generator as the window tells you.

Click OK in the Wintesla window, now a new window pops up:

Figure 19.

Difference between the gain steps should be ~10dB±1dB .

Change the level and frequency on the generator as the window tells you.

Click OK in the Wintesla window, now a new window pops up:

IRX Calibration

□ I

A

Set RF generator to high reference:

ils

Frequency Level

1042.367710 MHz -55.000000 dBrn

Note: attenuations

! OK !

Cancel

Change the level and frequency on the generator as the window tells you. Click OK in the Wintesla window, now a new window pops up:

7. Service Software Instructions

Technical Documentation

RX Calibration

Set RF generator to low reference:

Frequency Level

1842.867710 MHz .86.000000 dBrm

Note: attenuations.

Cancel

Figure 21.

Change the level and frequency on the generator as the window tells you. Click OK in the Wintesla window, now a new window pops up:

Figure 22.

Difference between the gain steps should be ~10dB±1dB . Click Save in the Wintesla window. RX calibration is now completed.

Figure 22.

Difference between the gain steps should be ~10dB±1dB . Click Save in the Wintesla window. RX calibration is now completed.

Technical Documentation

7. Service Software Instructions

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