User Guide

PAMS Technical Documentation System Module & UI
NHM-8NX
Issue 1 05/02 ãNokia Corporation Page 77
included in Mjoelner) is controlled via the serial data contained in three control lines, a
chip select, a clock line and a serial data line.
RF characteristics
Channel numbers and frequencies
Table 36: Channel no. relative frequencies
Main RF characteristics
Table 37: Main RF characteristics
Transmitter characteristics
Table 38: Transmitter main characteristic
Output power requirements, EGSM
Table 39: Output power requirements, E-GSM
System Channel number TX frequency RX frequency Unit
E-GSM 0 <= n <= 124
975 <= n <= 1023
F = 890 + 0.2 * n
F = 890 + 0.2 * (n –1024)
F = 935 + 0.2 * n
F = 935 + 0.2 * (n –1024)
MHz
GSM1800 512 <= n <= 885 F = 1710.2 + 0.2 * (n-512) F = 1805.2 + 0.2 * (n-512) MHz
Item
E-GSM values GSM1800 values
Receive frequency range 925...960 MHz 1805...1880 MHz
Transmit frequency range 880...915 MHz 1710...1785 MHz
Duplex spacing 45 MHz 95 MHz
Channel spacing 200 kHz
Number of RF channels 174 374
Power class 4 (2 W peak) 1 (1 W peak)
Number of power levels 15 16
Item E-GSM values GSM1800 values
Type Direct conversion, nonlinear, FDMA/TDMA
LO frequency range 3520...3660 MHz 3420...3570 MHz
Output power 2 W peak 1 W peak
Gain control range Min. 30 dB
Maximum phase error (RMS/peak) Max 5 deg RMS / max 20 deg. Peak
Output Power requirements - E-GSM
Parameter Min Typ Max Unit / Notes
Max. output power 33.0 dBm