Datasheet

MAX2031
High-Linearity, 650MHz to 1000MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
______________________________________________________________________________________ 11
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX2031 toc55
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
940890840
-25
-20
-15
-10
-30
790 990
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX2031 toc56
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
940890840
-25
-20
-15
-10
-30
790 990
P
LO
= +3dBm
P
LO
= -3dBm
P
LO
= 0dBm
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX2031 toc57
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
940890840
-25
-20
-15
-10
-30
790 990
V
CC
= 5.25V
V
CC
= 4.75V
V
CC
= 5.0V
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX2031 toc58
LO FREQENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
940890840
-35
-30
-25
-20
-40
790 990
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX2031 toc59
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
940890840
-35
-30
-25
-20
-40
790 990
P
LO
= -3dBm
P
LO
= 0dBm
P
LO
= +3dBm
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX2031 toc60
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
940890840
-35
-30
-25
-20
-40
790 990
V
CC
= 5.0V
V
CC
= 4.75V
V
CC
= 5.25V
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX2031 toc61
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
800750700
40
50
60
30
650 850
T
C
= +25°C
T
C
= +85°C
T
C
= -40°C
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX2031 toc62
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
800750700
40
50
60
30
650 850
P
LO
= -3dBm, 0dBm, +3dBm
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX2031 toc63
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
800750700
40
50
60
30
650 850
V
CC
= 4.75V, 5.0V, 5.25V
Typical Operating Characteristics (continued)
( Typical Application Circuit, optimized for the 700MHz band (see Table 1), C1 = 7pF, C5 = 3.3pF, L1 and C4 are not used, V
CC
=
5V, P
LO
= 0dBm, P
RF
= 0dBm, f
LO
> f
RF
, f
IF
= 140MHz, T
C
= +25°C, unless otherwise noted.)
Downconverter Curves