Nokia RM-237 Service Manual page 205

RM-237
System module
Parameter
Number of RF channels
Output Power
Number of power levels GMSK
Number of power levels 8-PSK
Item
Type
LO frequency range
Output power
(EGSM900/GSM1800/GSM1900)
Gain control range
Phase error (RMS/peak), GMSK
EVM (RMS/peak), 8-PSK
Item
Type
LO frequencies
Typical 3 dB bandwidth
Issue 1
EGSM900: 174
GSM1800: 374
GSM1900: 300
EGSM900: GSMK 5...32.5 dBm
EGSM900: 8-PSK 5...26.5 dBm
GSM1800: GSMK 0...30.5 dBm
GSM1800: 8-PSK 0...25.5 dBm
GSM1900: GSMK 0...30.5 dBm
GSM1900: 8-PSK 0...25.5 dBm
EGSM900: 15
GSM1800: 16
GSM1900: 16
EGSM900: 12
GSM1800: 14
GSM1900: 14
Table 16 Transmitter characteristics
Direct conversion, nonlinear, FDMA/TDMA
EGSM900: 3520...3660 MHz (4 x TX freq)
GSM1800: 3420...3570 MHz (2 x TX freq)
GSM1900: 3700...3820 MHz (2 x TX freq)
GMSK 33/33/30/30 dBm
8-PSK 32.5/30.5/30.5 dBm
min. 30 dB
5 deg./20 deg. peak
10%/30%
Table 17 Receiver characteristics
Direct conversion, Linear, FDMA/TDMA
EGSM900: 3700...3840 MHz (4 x RX freq)
GSM1800: 3610...3760 MHz (2 x RX freq)
GSM1900: 3860...3980 MHz (2 x RX freq)
+/- 91 kHz
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