Datasheet
MAX2031
High-Linearity, 650MHz to 1000MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
______________________________________________________________________________________
15
-15
-20
-25
-30
-35
910 1060960 1010 1110 1160 1210
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
(L-C BPF TUNED FOR 810MHz RF FREQUENCY)
MAX2031 toc87
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C, -25°C
-15
-20
-25
-30
-35
910 1060960 1010 1110 1160 1210
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
(L-C BPF TUNED FOR 810MHz RF FREQUENCY)
MAX2031 toc88
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
P
LO
= -3dBm, 0dBm, +3dBm
-15
-20
-25
-30
-35
910 1060960 1010 1110 1160 1210
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
(L-C BPF TUNED FOR 810MHz RF FREQUENCY)
MAX2031 toc89
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
V
CC
= 4.75V
V
CC
= 5.0V
V
CC
= 5.25V
-100
-90
-70
-80
-60
-50
910 1010960 1060 1110 1160 1210
IF LEAKAGE AT RF vs. LO FREQUENCY
(L-C BPF TUNED FOR 810MHz RF FREQUENCY)
MAX2031 toc90
LO FREQUENCY (MHz)
IF LEAKAGE (dBm)
T
C
= +85°C
T
C
= -40°C, -25°C
T
C
= +25°C
-100
-90
-70
-80
-60
-50
910 1010960 1060 1110 1160 1210
IF LEAKAGE AT RF vs. LO FREQUENCY
(L-C BPF TUNED FOR 810MHz RF FREQUENCY)
MAX2031 toc91
LO FREQUENCY (MHz)
IF LEAKAGE (dBm)
P
LO
= +3dBm
P
LO
= -3dBm
P
LO
= 0dBm
-100
-90
-70
-80
-60
-50
910 1010960 1060 1110 1160 1210
IF LEAKAGE AT RF vs. LO FREQUENCY
(L-C BPF TUNED FOR 810MHz RF FREQUENCY)
MAX2031 toc92
LO FREQUENCY (MHz)
IF LEAKAGE (dBm)
V
CC
= 4.75V
V
CC
= 5.25V
V
CC
= 5.0V
35
25
30
15
20
5
10
0
750 850 900800 950 1000 1050
MAX2031 toc93
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
RF PORT RETURN LOSS vs. RF FREQUENCY
(L-C BPF TUNED FOR 810MHz RF FREQUENCY)
THE OPTIONAL L-C BPF
ENHANCES PERFORMANCE
IN THE UPCONVERTER
MODE BUT LIMITS
RF BANDWIDTH
L1 AND C4 BPF
INSTALLED
L1 AND C4 BPF
REMOVED
Upconverter Curves
Typical Operating Characteristics (continued)
(
Typical Application Circuit
, L1 = 4.7nH, C4 = 6pF, C5 not used, V
CC
= 5.0V, P
LO
= 0dBm, P
IF
= 0dBm, f
RF
= f
LO
+ f
IF
, f
IF
= 160MHz,
T
C
= +25°C, unless otherwise noted.)