Nokia 8390 Manuales De Servicio
NSB-8
System Module & UI
PAMS Technical Documentation
Page 30
ãNokia Corporation
Issue 1 01/02
RF characteristics
Transmitter characteristics
Receiver characteristics
Table 17: Main RF characteristics
Item
Values (GSM1900)
Receive frequency range
1930.2...1989.8 MHz
Transmit frequency range
1850...1909.8 MHz
Duplex spacing
80 MHz
Channel spacing
200 kHz
Number of RF channels
299
Power class
1 (1 W)
Number of power levels
16
Table 18: Transmitter characteristics
Item
Values (GSM1900)
Type
Direct conversion, single band nonlinear, FDMA/TDMA
LO frequency range
3700.4...3819.6 MHz
Output power
1 W peak
Gain control range
min. 30 dB
Maximum phase error (RMS/peak)
5 deg./20 deg
Table 19: Receiver characteristics
Item
Values (GSM1900)
Type
Direct conversion, single band, linear, FDMA/TDMA
LO frequencies
3860.4...3979.6 MHz
Typical 3 dB bandwidth
+/- 91 kHz
Sensitivity
min. - 102 dBm, S/N >8 dB
Total typical receiver voltage gain (from
antenna to RX ADC)
86 dB
Receiver output level (RF level -95 dBm)
230 mVpp, single-ended I/Q signals to RX ADCs
Typical AGC dynamic range
83 dB
Accurate AGC control range
60 dB