Measurement Procedure For Gps Antenna - Nokia 6235 Antenna Description And Troubleshooting

6235/6235i/6236i (RM-60)
Antenna Description and Troubleshooting
has to be measured separately for every coupler because the path losses vary depending
on the setup, cables, and attenuator.

Measurement Procedure for GPS Antenna

1. Place the mobile terminal in the test adapter (DA-54) with the display up.
2. Turn on the CW signal generator [with power -110 dBm + coupler, cable, and
attenuator path loss at GPS band] fed to the RF coupler.
3. Read the reported C/No figure with the test mode 3 three to four times to see if
it is stable.
The GPS antenna test fails if the C/No value is outside the test limits.
Min
31,0 dBHz
Page 10
Table 2: GPS Antenna Measurement Test Limits
Nominal
35,0 dBHz
©2005 Nokia Corporation
Max
38,5 dBHz
Company Confidential Issue 1 04/2005