Nokia 6610i Service Manual
RM-37
Company confidential
7-System Module and User Interface
CCS Technical Documentation
Page 50
©Nokia Corporation.
Issue 1 04/2004
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
detailed functional description is given in the following sections
Item
Values, E-GSM/GSM1800
Type
Direct conversion, Linear, FDMA/TDMA
LO frequencies
3700...3840 MHz / 3610...3760 MHz
Typical 3 dB bandwidth
+/- 91 kHz
Sensitivity
min. - 102 dBm (GSM1800 norm.cond. only)
Total typical receiver voltage gain (from antenna
to RX ADC)
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 25 dB EGSM
Usable input dynamic range
-102... -10 dBm
RSSI dynamic range
-110... -48 dBm
Compensated gain variation in receiving band
+/- 1.0 dB