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Nokia 6090 Service Manual

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PAMS
Technical Documentation
NME–3
Technical  Information
Page 46
Issue 1  10/99
Table 20.  Receiver characteristics     (continued)  
Values
Item
Typical AGC step in LNA
approx. 45 dB
Usable input dynamic range
–104 ... –10 dBm
RSSI dynamic range
–112 ... –48 dBm
AGC relative accuracy on channel ( accurate
range )
+/–  0.8 dB
Compensated gain variation in receiving band
+/– 1.0 dB
Receiver Module Specification
Duplex filter
Table 21. Duplex filter specification
Parameter
Transmit section
Receive section
unit
Center frequency,
ftx,frx
ftx : 902.5
frx : 947.5
MHz
BW ( bandwidth ) at
passband
+/– 12.5
+/– 12.5
MHz
Maximum insertion
loss at BW
1.5
2.8
dB
Minimum insertion loss
0.3
–
dB
Ripple at BW, peak to
peak
1.0
1.0
dB
Terminating imped-
ance
50
50
ohms
min. input/output
matching Mag(S
11
)
and  Mag(S
22
)
–11
–11
dB
Minimum  attenuations
Freq.range
Att.
Freq.range
Att.
640 ... 820
20
0...800
35
MHz/dB
925 ... 940
30
890...915
15
MHz/dB
940 ... 960
30
980...1050
15
MHz/dB
960 ... 976
10
1067...1102
35
MHz/dB
1574 ... 1577
25
1102...2000
25
MHz/dB
1760 ... 1830
30
2000...3500
30
MHz/dB
2640 ... 2745
30
MHz/dB
3520 ... 3660
30
MHz/dB
Permissible input pow-
er
4 AVG
W
Temperature Range
–35 ... 85
–35 ... 85
deg Cel