NJG1553F
n
TYPICAL CHARACTERISTICS
(Application 1 1.9GHz, f
LO
=1660MHz)
Conversion Gain , Noise Figure
vs. LO Power
8
18
20
6
16
IF , IM3 , IM5 vs. RF Power
0
Conversion Gain (dB)
IF , IM3 , IM5 (dBm)
Noise Figure (dB)
4
14
IF
-20
Gc
2
12
-40
IM3
IM5
0
10
NF
-2
8
-60
-4
-50
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
6
4
Conversion Gain , Noise Figure , Input-IP3
vs. V
,V
10
9
MIX
LO
10
9
8
Conversion Gain (dB)
2
8
7
6
5
4
3
1.5
IIP3 (dBm)
IIP3
0
-2
-4
-6
-8
-50
Gc
7
6
5
4
3
IIP3
-40
-30
-20
-10
0
10
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-
NF (dB) , IIP3 (dBm)
NF