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 RF = 0dBm, f LO > f RF , f IF = 200MHz, R1 = 549 ? , unless other-
wise noted.)
Downconverter Curves
27
INPUT P 1dB vs. RF FREQUENCY
27
INPUT P 1dB vs. RF FREQUENCY
27
INPUT P 1dB vs. RF FREQUENCY
26
25
26
25
P LO = +3dBm
26
25
V CC = 5.25V
24
23
22
21
T C = +85°C
T C = +25°C
24
23
22
21
P LO = -3dBm
P LO = 0dBm
24
23
22
21
V CC = 4.75V
20
19
18
17
T C = -40°C
20
19
18
17
20
19
18
17
V CC = 5.0V
1500
1700
1900
2100
2300
1500
1700
1900
2100
2300
1500
1700
1900
2100
2300
55
50
45
RF FREQUENCY (MHz)
LO SWITCH ISOLATION vs. LO FREQUENCY
T C = -40°C
55
50
45
RF FREQUENCY (MHz)
LO SWITCH ISOLATION vs. LO FREQUENCY
P LO = +3dBm
55
50
45
RF FREQUENCY (MHz)
LO SWITCH ISOLATION vs. LO FREQUENCY
40
T C = +85°C
40
P LO = -3dBm
40
35
T C = +25°C
35
P LO = 0dBm
35
V CC = 4.75V, 5.0V, 5.25V
1500
1700
1900
2100
2300
2500
1500
1700
1900
2100
2300
2500
1500
1700
1900
2100
2300
2500
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
-10
-15
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
-10
-15
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
-10
-15
-20
T C = +25°C
-20
P LO = +3dBm
-20
V CC = 5.25V
-25
-25
-25
-30
T C = +85°C
-30
-30
-35
-40
T C = -40°C
-35
-40
P LO = 0dBm
P LO = -3dBm
-35
-40
V CC = 5.0V
V CC = 4.75V
-45
-45
-45
1700
1900
2100
2300
2500
1700
1900
2100
2300
2500
1700
1900
2100
2300
2500
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
6
_______________________________________________________________________________________
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