Nokia 9210i Servicehandbuch
PAMS
Technical Documentation
RAE-5
3. RF+System Module KL8
Page 3 – 51
Issue 1 04/02
DCS1800 Pre–amplifier (LNA)
Table 27. DCS1800 Pre–amplifier specifications
Parameter
Min.
Typ.
Max.
Unit/Notes
Frequency band
1805 – 1880
MHz
Supply voltage
2.4
2.85
V
Current consumption
6.5
mA
Input VSWR
1.2
1.6
Output VSWR
2.9
3.3
Gain step
32
dB, room temp.
GSM/PCN IC (Hagar), RX part
Table 28. GSM/PCN IC RX part Specification
Parameter
Minimum
Typical
Maximum
Unit / Notes
Supply voltage
2.7
2.78
2.86
V
Current consumption
mA
Input frequency range
Lower band input
Upper band input
Lower band input
Upper band input
925 – 960
1805 – 1880
MHz
MHz
MHz
Voltage Gain
69
73
77
dB
Input impedance
200
W
/ pF
Output frequency range (–3dB)
190kHz
BB signal
LO frequency range
3610
3840
MHz
LO feed through to RF input
–20
dBm
LO/2 feed through to RF input
–50
dBm
LO/4 feed through to RF input
–50
dBm
Maximum output range
1.4
Vpp
Offset of DCN2–amplifier
20
mV
Transmitter blocks
IQ–modulator and TX–AGC in HAGAR IC
Table 29. Total Transmitter Parameters (GSM/PCN)
Parameters
Min
Typ
Max
Units
Supply Voltages (OC–output)
2.7
2.78
2.86
Volts
Output Frequency GSM
880
915
MHz
Output Frequency PCN
1710
1785
MHz
Linear Output Power, 100 ohm load, GSM *
4
dBm
Linear Output Power, 100 ohm load, PCN *
3
dBm