NJG1552F
nTYPICAL
CHARACTERISTICS
(Application 1,
f=1.9GHz,
f
LO
=1660MHz)
6
4
Conversion Gain , Noise Figure
vs. LO Power
Gc
20
18
16
14
12
10
20
IF , IM3 , IM5 vs. RF Power
Conversion Gain (dB)
2
0
-2
-4
Noise Figure (dB)
IF , IM3 , IM5 (dBm)
0
IF
-20
-40
IM3
-60
IM5
NF
-6
-8
-50
8
6
-40
-30
-20
-10
0
10
-80
-50
-40
-30
-20
-10
0
LO Power (dBm)
Condition
f
IF
=240MHz
f
RF
=1900MHz, P
RF
=-30dBm
f
LO
=1660MHz
V
MIX
=V
LO
=2.7V
RF Power (dBm)
Condition
f
IF
=240MHz
f
RF1
=1900.0MHz
f
RF2
=1900.1MHz
f
LO
=1660MHz, P
LO
=-10dBm
V
MIX
=V
LO
=2.7V
Input-IP3 vs. LO Power
2
0
Conversion Gain , Noise Figure , Input-IP3
vs. V , V
10
MIX
LO
8
Conversion Gain , NF (dB)
NF
8
6
IIP3
IIP3 (dBm)
-2
6
4
-4
Gc
4
2
-6
IIP3
2
0
-8
-10
-50
-40
-30
-20
-10
0
10
0
1.5
-2
2
2.5
3
3.5
4
4.5
5
LO Power (dBm)
Condition
f
IF
=240MHz
f
RF1
=1900.0MHz, P
RF
=-25dBm
f
RF2
=1900.1MHz
f
LO
=1660MHz
V
MIX
=V
LO
=2.7V
3IF-IM3
IIP3=
-G
c
2
@P
RF
=-25dBm
V
MIX
,V
LO
(V)
Condition
f
IF
=240MHz
f
RF1
=1900.0MHz, P
RF
=-30dBm
f
RF2
=1900.1MHz
f
LO
=1660MHz, P
LO
=-10dBm
3IF-IM3
-G
c
IIP3=
2
@P
RF
=-25dBm
-9-
IIP3 (dBm)