NJG1705V
n
TYPICAL CHARACTERISTICS (LNA+MIXER 1.5GHz band fLO=1619MHz)
Conversion Gain , Noise Figure
vs. VLNA , VMIX , VLO
Output-IP3 , Input-IP3 vs. V LNA , VMIX , VLO
(f =1489MHz,f =1619MHz)
(fRF=1489+1489.1MHz,fLO=1619MHz)
RF
LO
25
24
23
22
21
20
3.5
3
14
12
10
8
-10
-12
-14
-16
-18
-20
-22
IIP3
Gc
OIP3
2.5
2
NF
6
1.5
1
4
2
2
2.5
3
3.5
4
4.5
5
1.5
2
2.5
3
3.5
4
4.5
5
5.5
V
, V
, V (V)
MIX LO
VLNA , VMIX , VLO (V)
LNA
3IF-IM3
2
Condition
fIF=130MHz
fRF1=1489.0MHz, PRF=-35dBm
fRF2=1489.1MHz
OIP3=
Condition
fIF=130MHz
fRF=1489MHz, PRF=-50dBm
fLO=1619MHz, PLO=-10dBm
3IF-IM3
2
IIP3=
-Gc
fLO=1619MHz, PLO=-10dBm
@PRF=-35dBm
IF vs. RF Power
IF , IM3 vs. RF Power
(VLNA=VMIX=VLO=2.7V,fRF=1489+1489.1MHz,fLO=1619MHz)
(V =V =V =2.7V,f =1489MHz,f =1619MHz)
LNA MIX LO RF LO
5
0
20
0
IF
-5
-20
-10
-15
-20
-25
-30
IM3
-40
-60
-80
-50
-40
-30
-20
-10
0
-50
-40
-30
-20
-10
0
RF Power (dBm)
RF Power (dBm)
Condition
Condition
fIF=130MHz
fRF=1489MHz
fIF=130MHz
fRF1=1489.0MHz
fLO=1619MHz, PLO=-10dBm
VLNA=VMIX=VLO=2.7V
fRF2=1489.1MHz
fLO=1619MHz, PLO=-10dBm
VLNA=VMIX=VLO=2.7V
- 9 -
NJRC [ NEW JAPAN RADIO ]
