Nokia NHL-2NA Series Troubleshooting Instructions page 106

NHL-2NA
Typical TX Iq Tuning Values and tuning limits GSM 900:
I DC Offset
Q DC Offset
Amplitude difference
Phase difference
• If values shown are within limits, check the "Save to product" tick box and
choose "Stop" save the new values to the product
Continue tuning from GSM1800. Choose the correct band from the dropdown
•
menu.
• Repeat the same steps as for the EGSM900 band
• Set spectrum analyzer center frequency to 1747.8 MHz, span 200kHZ, RBW and
VWB 3kHz and sweeptime to 2 seconds
Page 40
-2.5...+0.5 -6...+6
-2.5...+0.5 -6...+6
-0.2...+0.2 -1...+1
88.0°....92.0° 80°...100°
¤Nokia Corporation
CCS Technical Documentation
Issue 1 07/02