NJG1705V
n
TYPICAL CHARACTERISTICS (LNA+MIXER 1.5GHz band fLO=1619MHz)
Conversion Gain , Noise Figure
Conversion Gain , Noise Figure vs. LO Power
vs. RF Frequency
(VLNA=VMIX=VLO=2.7V)
(VLNA=VMIX=VLO=2.7V,fRF=1489MHz,fLO=1619MHz)
26
24
22
20
18
16
3.5
3
24
23
22
21
20
19
18
17
16
5
Gc
4.5
4
Gc
3.5
3
2.5
2
2.5
2
NF
NF
1.5
1
1.5
1
1.44
1.46
1.48
1.5
1.52
1.54
1.56
-40
-30
-20
-10
0
10
RF Frequency (GHz)
LO Power (dBm)
Condition
Condition
fIF=130MHz
fIF=130MHz
PRF=-50dBm
PLO=-10dBm
VLNA=VMIX=VLO=2.7V
Upper LOCAL
fRF=1489MHz,PRF=-50dBm
fLO=1619MHz
VLNA=VMIX=VLO=2.7V
Output-IP3 , Input-IP3 vs. LO Power
(VLNA=VMIX=VLO=2.7V,fRF=1469+1489.1MHz,fLO=1619MHz)
10
-10
-15
-20
-25
-30
OIP3
5
IIP3
0
-5
-10
-40
-35
-30
-25
-20
-15
-10
-5
0
LO Power (dBm)
Condition
fIF=130MHz
3IF-IM3
OIP3=
2
fRF1=1489.0MHz,PRF=-35dBm
fRF2=1489.1MHz
fLO=1619MHz
3IF-IM3
2
@PRF=-35dBm
IIP3=
-Gc
VLNA=VMIX=VLO=2.7V
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