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
LO - 3IF REJECTION vs. RF FREQUENCY
LO - 3IF REJECTION vs. RF FREQUENCY
LO - 3IF REJECTION vs. RF FREQUENCY
90
P IF = 0dBm
90
P IF = 0dBm
90
P IF = 0dBm
85
85
85
80
T C = +25°C
80
P LO = +3dBm
80
V CC = 5.25V
V CC = 5.0V
75
70
75
70
75
70
65
60
T C = -40°C
T C = +85°C
65
60
P LO = -3dBm
P LO = 0dBm
65
60
V CC = 4.75V
55
50
-10
1500 1600 1700 1800 1900 2000 2100 2200
FUNDAMENTAL RF FREQUENCY (MHz)
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
55
50
1500 1600 1700 1800 1900 2000 2100 2200
FUNDAMENTAL RF FREQUENCY (MHz)
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
-10
55
50
-10
1500 1600 1700 1800 1900 2000 2100 2200
FUNDAMENTAL RF FREQUENCY (MHz)
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
-15
-20
T C = -40°C, +25°C, +85°C
-15
-20
P LO = -3dBm, 0dBm, +3dBm
-15
-20
V CC = 4.75V
V CC = 5.25V
V CC = 5.0V
-25
-30
-40
-50
1700 1800 1900 2000 2100 2200 2300 2400
LO FREQUENCY (MHz)
IF LEAKAGE AT RF vs. LO FREQUENCY
-25
-30
-40
-50
1700 1800 1900 2000 2100 2200 2300 2400
LO FREQUENCY (MHz)
IF LEAKAGE AT RF vs. LO FREQUENCY
-25
-30
-40
-50
1700 1800 1900 2000 2100 2200 2300 2400
LO FREQUENCY (MHz)
IF LEAKAGE AT RF vs. LO FREQUENCY
-60
T C = -40°C
-60
P LO = -3dBm, 0dBm, +3dBm
-60
V CC = 4.75V
-70
-80
-70
-80
-70
-80
-90
T C = +85°C
T C = +25°C
-90
-90
V CC = 5.25V
V CC = 5.0V
1700 1800 1900 2000 2100 2200 2300 2400
LO FREQUENCY (MHz)
1700 1800 1900 2000 2100 2200 2300 2400
LO FREQUENCY (MHz)
1700 1800 1900 2000 2100 2200 2300 2400
LO FREQUENCY (MHz)
______________________________________________________________________________________
11
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