Datasheet

MAX2031
High-Linearity, 650MHz to 1000MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
_______________________________________________________________________________________ 9
CONVERSION LOSS vs. RF FREQUENCY
MAX2031 toc37
RF FREQUENCY (MHz)
CONVERSION LOSS (dB)
800750700
6
7
8
9
5
650 850
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
CONVERSION LOSS vs. RF FREQUENCY
MAX2031 toc38
RF FREQUENCY (MHz)
CONVERSION LOSS (dB)
800750700
6
7
8
9
5
650 850
P
LO
= -3dBm, 0dBm, +3dBm
CONVERSION LOSS vs. RF FREQUENCY
MAX2031 toc39
RF FREQUENCY (MHz)
CONVERSION LOSS (dB)
800750700
6
7
8
9
5
650 850
V
CC
= 4.75V, 5.0V, 5.25V
INPUT IP3 vs. RF FREQUENCY
MAX2031 toc40
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
800750700
32
34
36
38
40
30
650 850
P
RF
= 0dBm/TONE
T
C
= +85°C
T
C
= -40°C
T
C
= +25°C
T
C
= +25°C
INPUT IP3 vs. RF FREQUENCY
MAX2031 toc41
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
800750700
32
34
36
38
40
30
650 850
P
RF
= 0dBm/TONE
P
LO
= -3dBm, 0dBm, +3dBm
INPUT IP3 vs. RF FREQUENCY
MAX2031 toc42
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
800750700
32
34
36
38
40
30
650 850
V
CC
= 5.25V
V
CC
= 5.0V
P
RF
= 0dBm/TONE
V
CC
= 4.75V
2LO-2RF RESPONSE
vs. RF FREQUENCY
MAX2031 toc43
RF FREQUENCY (MHz)
2LO-2RF RESPONSE (dBc)
800750700
55
65
75
85
45
650 850
P
RF
= 0dBm
T
C
= +25°C
T
C
= +85°C
T
C
= -40°C
2LO-2RF RESPONSE
vs. RF FREQUENCY
MAX2031 toc44
RF FREQUENCY (MHz)
2LO-2RF RESPONSE (dBc)
800750700
55
65
75
85
45
650 850
P
RF
= 0dBm
P
LO
= 0dBm
P
LO
= +3dBm
P
LO
= -3dBm
2LO-2RF RESPONSE
vs. RF FREQUENCY
MAX2031 toc45
RF FREQUENCY (MHz)
2LO-2RF RESPONSE (dBc)
800750700
55
65
75
85
45
650 850
P
RF
= 0dBm
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