
High-Linearity, 1700MHz to 3000MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
Typical Operating Characteristics (continued)
(MAX2041 Typical Application Circuit , V CC = +5.0V, P LO = 0dBm, P IF = 0dBm, f RF = f LO - f IF , f IF = 200MHz, R1 = 549 ? , unless
otherwise noted.)
Upconverter Curves
39
INPUT IP3 vs. RF FREQUENCY
39
INPUT IP3 vs. RF FREQUENCY
39
INPUT IP3 vs. RF FREQUENCY
37
35
33
31
T C = +85°C
T C = +25°C
37
35
33
31
37
35
33
31
V CC = 5.25V
V CC = 5.0V
29
T C = -40°C
29
P LO = -3dBm, 0dBm, +3dBm
29
V CC = 4.75V
27
25
1500 1600 1700 1800 1900 2000 2100 2200
RF FREQUENCY (MHz)
LO + 2IF REJECTION vs. RF FREQUENCY
(LO1 SELECTED)
27
25
1500 1600 1700 1800 1900 2000 2100 2200
RF FREQUENCY (MHz)
LO + 2IF REJECTION vs. RF FREQUENCY
(LO1 SELECTED)
27
25
1500 1600 1700 1800 1900 2000 2100 2200
RF FREQUENCY (MHz)
LO + 2IF REJECTION vs. RF FREQUENCY
(LO1 SELECTED)
85
80
75
70
T C = -40°C
P IF = 0dBm
T C = +25°C
80
75
70
65
P LO = 0dBm
P IF = 0dBm
P LO = +3dBm
80
75
70
65
P IF = 0dBm
65
60
55
T C = +85°C
60
55
P LO = -3dBm
60
55
V CC = 4.75V, 5.0V, 5.25V
50
45
1500 1600 1700 1800 1900 2000 2100 2200
FUNDAMENTAL RF FREQUENCY (MHz)
LO + 2IF REJECTION vs. RF FREQUENCY
(LO2 SELECTED)
50
45
1500 1600 1700 1800 1900 2000 2100 2200
FUNDAMENTAL RF FREQUENCY (MHz)
LO + 2IF REJECTION vs. RF FREQUENCY
(LO2 SELECTED)
50
45
1500 1600 1700 1800 1900 2000 2100 2200
FUNDAMENTAL RF FREQUENCY (MHz)
LO + 2IF REJECTION vs. RF FREQUENCY
(LO2 SELECTED)
80
75
T C = -40°C
P IF = 0dBm
T C = +85°C
80
75
P LO = +3dBm
P LO = -3dBm
P IF = 0dBm
80
75
P IF = 0dBm
70
65
70
65
70
65
60
55
T C = +25°C
60
55
P LO = 0dBm
60
55
V CC = 4.75V, 5.0V, 5.25V
50
45
1500 1600 1700 1800 1900 2000 2100 2200
FUNDAMENTAL RF FREQUENCY (MHz)
50
45
1500 1600 1700 1800 1900 2000 2100 2200
FUNDAMENTAL RF FREQUENCY (MHz)
50
45
1500 1600 1700 1800 1900 2000 2100 2200
FUNDAMENTAL RF FREQUENCY (MHz)
_______________________________________________________________________________________
9