Nokia 5140 Manuales De Servicio
NPL-4/5
Nokia Customer Care
Page 44
Copyright © 2004 Nokia Corporation. All rights reserved.
Issue 1 05/04
1) Power Level: -60 dBm
2) Frequency: 1960.067110 MHz (GSM 1800)
- Compensate for external RF cable and test jig losses. If a radio communication tester
(CMD55, CMU200, HP 8960, MT8801) is used, assure that “continuous mode” is switched
on and “modulation” switched off.
(CMD55, CMU200, HP 8960, MT8801) is used, assure that “continuous mode” is switched
on and “modulation” switched off.
- Press “OK” and the calibration will be executed.
- Press “OK” to finish RX calibration.
Figure 8: Calibration Execution
The results must fulfill the following limits:
Table 2: Calibration Values
Note!GSM xxx means the selected band: GSM 850 / 900 / 1800 / 1900
RX band filter response compensation
This alignment is necessary to compensate the frequency response of the RX band filters
(SAW filters).
(SAW filters).
Calibration value / Test case
Typical
Low limit
High limit
Rssi 0 / Check RX GSM xxx Gain A 1 [dB]
65
59
71
Rssi 2 / Check RX GSM xxx Gain A 3 [dB]
77
71
83