User Guide

CCS Technical Documentation System Module and User Interface
NPM-6/6X
Issue 2 06/03 Nokia Corporation. Page 43
Receiver characteristics
RF Block Diagram
The block diagram of the RF module can be seen in Chapter on “RF Block Diagram”. The
detailed functional description is given in the following sections
Item Values EGSM900/GSM1800/GSM1900
Type Direct conversion, Linear, FDMA/TDMA
LO frequencies 3700...3840 MHz / 3610...3760 MHz/3860...3980
MHz
Typical 3 dB bandwidth +/- 91 kHz
Sensitivity min. - 102 dBm (GSM1800/GSM1900 norm.cond.
only)
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
Typical AGC step in LNA 30 dB GSM1800/GSM1900, 25 dB EGSM900
Usable input dynamic range -102... -10 dBm
RSSI dynamic range -110... -48 dBm
Compensated gain variation in receiving band +/- 1.0 dB