Nokia 6150 Manuales De Servicio
PAMS
Technical Documentation
NSM–1
System Module
Page 3–63
Original 10/98
DCS1800 UHF–mixer in CRFU3
Parameter
min.
typ.
max.
unit
notes
Input RF–frequency
1805
1880
MHz
Output IF–frequency
193
MHz
Input LO–frequency
1998
2073
MHz
Output resistance
( balanced )
( balanced )
ohm
193 MHz
Open collector output
Open collector output
Transmitter Blocks
TX interstage filter GSM
Parameter
Min.
Typ.
Max.
Unit
Passband
890 – 915
MHz
Insertion loss
3.5
dB
TX interstage filter DCS1800
Parameter
Min.
Typ.
Max.
Unit
Passband
1710 – 1785
MHz
Insertion loss
3.5
dB
Power amplifier MMIC GSM
Parameter
Symbol
Test condition
Min
Typ
Max
Unit
Operating freq. range
890
915
MHz
Supply voltage
Vcc
3.0
3.5
5.0
V
Gain control range
( overall dynamic
range)
( overall dynamic
range)
Vpc= 0.5 ... 2.2 V
45
dB
Power amplifier MMIC DCS1800
Parameter
Symbol
Test condition
Min
Typ
Max
Unit
Operating freq. range
1710
1785
MHz
Supply voltage
Vcc
3.0
3.5
5.0
V
Gain control range
( overall dynamic
range)
( overall dynamic
range)
Vpc= 0.5 ... 2.2 V
45
dB