User Guide

NPM-2NX
System Module CCS Technical Documentation
Page 60 ãNokia Corporation Issue 1 07/02
Receiver
Minimum requirements of the receiver are listed below.
Table 30: RF Characteristics, Receiver AMPS/TDMA
Number of RF channels 299
Power Class 1
Max output power 29.5 dBm
Number of power levels 16
Modulation Scheme GMSK
Item NMP requirement Units / Notes
Type Linear, 1 IF
Intermediate frequencies 1st IF 134.04 MHz
IF1 min 3 dB bandwidth ±20 KHz
Sensitivity, digital mode static ch (BER<3%)
analog mode (SINAD>12dB)
-110
-116
dBm
dBm
C/N for sensitivity, digital
analog
10
3.5
dB
dB
C/I for IMD, digital
analog
11
6
dB
dB
Adjacent channel selectivity, digital
analog
16**
16*
dB
dB
Alternate channel selectivity, digital
analog
45**
65*
dB
dB
IMD attenuation, digital
analog 60/120 kHz
analog 330/660 kHz
65**
65*
70*
dB
dB
dB
Cascaded NF, digital
analog
< 9
< 10
dB
dB
Cascaded IIP3, digital
analog 60/120 kHz
analog 330/660 kHz
> -8.5
> -9.5
> -11.0
dB
dB
dB
RF front end gain control range, AGC2 step 20 +/- 2 low band
20 +/- 2 high band
dB
1st IF gain control range, AGC in 6dB steps 30 dB
Input dynamic range -116... -25 dBm
Gain relative accuracy in receiving band ±3 dB
*referenced to the sensitivity level ** referenced to –110 dBm