User Guide

NPL-3 Company confidential
System Module and User Interface CCS Technical Documentation
Page 44 ãNokia Corporation. Issue 1 3/03
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, GSM850/1800/1900
Type Direct conversion, Linear, FDMA/TDMA
LO frequencies 3476...3576 MHz / 3610...3980 MHz
Typical 3 dB bandwidth +/- 91 kHz
Sensitivity min. - 102 dBm (normal condition)
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 GSM1800/1900 25 dB GSM850
Usable input dynamic range -102... -10 dBm
RSSI dynamic range -110... -48 dBm
Compensated gain variation in receiving band +/- 1.0 dB