Datasheet

MAX2031
High-Linearity, 650MHz to 1000MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
10 ______________________________________________________________________________________
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.)
3LO-3RF RESPONSE
vs. RF FREQUENCY
MAX2031 toc46
RF FREQUENCY (MHz)
3LO-3RF RESPONSE (dBc)
800750700
70
80
90
60
650 850
P
RF
= 0dBmT
C
= +25°C
T
C
= -40°C
T
C
= +85°C
3LO-3RF RESPONSE
vs. RF FREQUENCY
MAX2031 toc47
RF FREQUENCY (MHz)
3LO-3RF RESPONSE (dBc)
800750700
70
80
90
60
650 850
P
LO
= -3dBm, 0dBm, +3dBm
P
RF
= 0dBm
3LO-3RF RESPONSE
vs. RF FREQUENCY
MAX2031 toc48
RF FREQUENCY (MHz)
3LO-3RF RESPONSE (dBc)
800750700
70
80
90
60
650 850
V
CC
= 5.0V
V
CC
= 4.75V
V
CC
= 5.25V
P
RF
= 0dBm
INPUT P
1dB
vs. RF FREQUENCY
MAX2031 toc49
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
800750700
26
27
28
29
30
25
650 850
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
INPUT P
1dB
vs. RF FREQUENCY
MAX2031 toc50
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
800750700
26
27
28
29
30
25
650 850
P
LO
= 0dBm
P
LO
= +3dBm
P
LO
= -3dBm
INPUT P
1dB
vs. RF FREQUENCY
MAX2031 toc51
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
800750700
26
27
28
29
30
25
650 850
V
CC
= 5.25V
V
CC
= 4.75V
V
CC
= 5.0V
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX2031 toc52
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
940890840
-35
-25
-15
-45
790 990
T
C
= -40°C
T
C
= +85°C
T
C
= +25°C
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX2031 toc53
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
940890840
-35
-25
-15
-45
790 990
P
LO
= +3dBm
P
LO
= -3dBm
P
LO
= 0dBm
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX2031 toc54
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
940890840
-35
-25
-15
-45
790 990
V
CC
= 5.25V
V
CC
= 5.0V
V
CC
= 4.75V
Downconverter Curves