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PAMS Technical Documentation
Parameter
Gain, (LNA + filter + mixer)
Gain, LNA gain disabled
Gain step
Supply Voltage
Supply Current (LNA + Mixer)
TDMA 1900MHz RX Front End
Receiver front end is integrated in the IC. It has RF amplifier with a gain
step and an active mixer. RX interstage filter is a dielectric filter.
Parameter
Gain, (LNA + filter + mixer)
Gain, LNA gain disabled
Gain step
Supply Voltage
Supply Current (LNA + Mixer)
1st IF Amplifier
The 1st IF filter is a SAW filter. The function of the filter is to provide at-
tenuation for the intermodulating signals
Analog IF parts
Analog mode IF–parts are included in EROTUS. Functional blocks: IF1
amplifier, a 2x–multiplier for LO signal, a mixer and a limiter amplifier
with RSSI. Specifications for analog mode IF–parts are in table 5. IF2
filter is a double 450 kHz ceramic filter.
Parameter
Supply voltage
IF1 amp + mixer current cons.
6x freq. multipl. current cons.
Limiter + RSSI current cons.
Power up time
RF input impedance single end
RF input frequency range
Noise figure, IF1 amp + mixer
Issue 1 10/00
Min
19
14
2.7
Min
19
14
2.7
Min
2.7
3.5
E Nokia Mobile Phones Ltd.
System Module UT5U
Typ/
Max
Nom
21
24
4
17
2.8
2.9
17
22
Typ/
Max
Nom
21
23
4
17
2.8
2.9
28
33
Typ/
Max
Nom
2.8
2.9
V
6.5
8
mA
(+0.6 mA in d–mode)
1.8
2
mA
1.4
2.5
mA
3.5
ms
4//tbd
5
kohm//pF
116.19
MHz
8
dB, RF = 116 MHz
NSW-5
Unit
dB
dB
dB
V
mA
Unit
dB
dB
dB
V
mA
Unit
Page 39
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