4112221
Rev 7.2
June 19, 2013
45
User Guide
Interfaces
The GPS RF interface is only available in the FX100 and is used for GPS antenna connection. It is an
MMCX type connector and its nominal impedance is 50
Ω. It also provides bias for active antenna. For
more details, refer to section 5.2.2.3.6 Active GPS Antenna Bias.
Figure 27. GPS RF Connector for FX100
5.2.2.1.
RF Performances
RF performances are compliant with ETSI recommendation GSM 05.05. Refer to the tables below for
the main parameters used for both the Receiver and the Transmitter.
Table 30.
Main Receiver Parameters for FXT009
Parameters
Typical Values
GSM850 Reference Sensitivity
-106dBm
E-GSM900 Reference Sensitivity
-106dBm
DCS1800 Reference Sensitivity
-106dBm
PCS1900 Reference Sensitivity
-106dBm
Selectivity @ 200 kHz
> +9dBc
Selectivity @ 400 kHz
> +41dBc
Linear dynamic range
63dB
Co-channel rejection
>= 9dBc
Table 31.
Main Transmitter Parameters for FXT009
Parameters
Typical Values
Output power at PCL5 (EGSM & GSM850)
33dBm
Output power at PCL0 (GSM1800 & PCS1900)
30dBm
Output power at PCL19 (EGSM & GSM850)
5dBm
Output power at PCL15 (GSM1800 & PCS1900)
0dBm
Table 32.
Main Receiver Parameters for FX100
Parameters
Typical Values
GSM850 Reference Sensitivity
-108dBm
E-GSM900 Reference Sensitivity
-109dBm
DCS1800 Reference Sensitivity
-107dBm
PCS1900 Reference Sensitivity
-107dBm
3G Band I 2100 Reference Sensitivity
-108dBm
3G Band II 1900 Reference Sensitivity
-107dBm
3G Band V 850 Reference Sensitivity
-110dBm
3G Band VI 800 Reference Sensitivity
-110dBm