NSW-6
System Module SE2
PAMS Technical Documentation
Page 49
Issue 1 12/99
Nokia Mobile Phones Ltd.
Unit
Max
Typ/
Nom
Min
Parameter
Power up time
2
ms
RF input impedance single end
900//–1
kohm//pF
RF input frequency range
45
116.19
120
MHz
Noise figure, IF1 amp + mixer
8
dB, RF = 116 MHz
Conversion gain @
Rl=1.5kohm
25
33
dB
Conversion gain variation
TBD
dB, temp –30...+85 C
3rd order input intercept point
20
mV
rms
Mixer output frequency range
450
kHz
Mixer out to limiter in isolation
70
80
dB, @ 450 kHz
Limiter input frequency
450
kHz
Limiter input limiting range
30
uV
rms
Limiter output voltage
0.3
V
pp
Limiter output resistive load
10
k
W
Limiter output capacitive load
5
pF
RSSI dynamic range
65
70
dB
RSSI starting level @ LIMIN1
30
60
uVrms
RSSI voltage slope
5
10
mV/dB
RSSI voltage range
0.1
1.5
V
RSSI output capacitive load
50
pF
RSSI output resistive load
500
k
Ω
Freq. multiplier input frequency
19.44
MHz
Input signal spurious levels
–8
–10
dBc, (19.44 MHz
spurs)
Input signal level
50
tbd
mV
peak
Digital IF parts
The digital IF–parts of EROTUS comprise AGC Amplifer with 57 dB con-
trol range, a mixer and a buffer amplifier for the last IF.
Parameter
Min
Typ/
Nom
Max
Unit
Supply voltage
2.7
2.8
2.9
V
Current consumption
43
mA
RF input frequency range
45
116.19
120
MHz
Local frequency (6x19.44 MHz)
116.64
MHz
IF frequency
450
kHz
Max voltage gain, AGC + mixer
47
dB
Min voltage gain, AGC + mixer
–10
dB
Gain change, AGC + mixer
±
5
dB, temp
–30...+85 C
