NJG1705V
n
TYPICAL CHARACTERISTICS (LNA+MIXER 1.9GHz band fLO=1660MHz)
Conversion Gain , Noise Figure
Conversion Gain , Noise Figure vs. LO Power
vs. RF Frequency
(V =V =V =2.7V,f =1900MHz,f =1660MHz)
(V =V =V =2.7V)
LNA
MIX
LO
RF
LO
LNA
MIX
LO
24
22
20
18
16
14
6
5
4
3
2
1
22
6
5
4
3
2
1
Gc
20
18
16
14
12
Gc
NF
NF
1.8
1.85
1.9
1.95
2
-40
-30
-20
-10
0
10
RF Frequency (GHz)
LO Power (dBm)
Condition
Condition
fIF=240MHz
fIF=240MHz
fRF=1900MHz,PRF=-50dBm
fLO=1660MHz
VLNA=VMIX=VLO=2.7V
PRF=-50dBm
PLO=-10dBm
VLNA=VMIX=VLO=2.7V
Lower LOCAL
Output-IP3 , Input-IP3 vs. LO Power
(VLNA=VMIX=VLO=2.7V,fRF=1900+1900.1MHz,fLO=1660MHz)
15
10
5
0
-5
-10
-15
-20
-25
OIP3
IIP3
0
-5
-10
-40
-35
-30
-25
-20
-15
-10
-5
0
LO Power (dBm)
3IF-IM3
2
Condition
fIF=240MHz
OIP3=
fRF1=1900.0MHz, PRF=-35dBm
fRF2=1900.1MHz
fLO=1660MHz
3IF-IM3
2
@PRF=-35dBm
IIP3=
-Gc
VLNA=VMIX=VLO=2.7V
- 15 -
NJRC [ NEW JAPAN RADIO ]
