High-Linearity, 1700MHz to 2200MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
Typical Operating Characteristics (continued)
(MAX2039 Typical Application Circuit , V CC = +5.0V, P LO = 0dBm, P RF = 0dBm, f RF > f LO , f IF = 200MHz, R 1 = 549 Ω , unless other-
wise noted.)
Downconverter Curves
2RF - 2LO RESPONSE vs. RF FREQUENCY
2RF - 2LO RESPONSE vs. RF FREQUENCY
2RF - 2LO RESPONSE vs. RF FREQUENCY
80
P RF = 0dBm
80
P RF = 0dBm
80
P RF = 0dBm
75
T C = +25°C
T C = -35°C
75
P LO = +3dBm
75
70
65
70
65
70
65
60
55
T C = +85°C
60
55
60
55
V CC = 4.75V, 5.0V, 5.25V
50
45
50
45
P LO = -3dBm
P LO = 0dBm
50
45
1500
1650
1800
1950
2100
2250
2400
1500
1650
1800
1950
2100
2250
2400
1500
1650
1800
1950
2100
2250
2400
RF FREQUENCY (MHz)
3RF - 3LO RESPONSE vs. RF FREQUENCY
RF FREQUENCY (MHz)
3RF - 3LO RESPONSE vs. RF FREQUENCY
RF FREQUENCY (MHz)
3RF - 3LO RESPONSE vs. RF FREQUENCY
85
80
75
T C = +85°C
P RF = 0dBm
85
80
75
P RF = 0dBm
85
80
75
V CC = 5.25V
P RF = 0dBm
70
70
70
65
65
P LO = -3dBm, 0dBm, +3dBm
65
V CC = 5.0V
60
55
50
45
T C = +25°C
T C = -35°C
60
55
50
45
60
55
50
45
V CC = 4.75V
1500
1650
1800
1950
2100
2250
2400
1500
1650
1800
1950
2100
2250
2400
1500
1650
1800
1950
2100
2250
2400
27
RF FREQUENCY (MHz)
INPUT P 1dB vs. RF FREQUENCY
27
RF FREQUENCY (MHz)
INPUT P 1dB vs. RF FREQUENCY
27
RF FREQUENCY (MHz)
INPUT P 1dB vs. RF FREQUENCY
26
25
24
T C = +25°C
26
25
24
26
25
24
V CC = 5.25V
V CC = 5.0V
23
22
21
20
19
T C = +85°C
T C = -35°C
23
22
21
20
19
P LO = -3dBm, 0dBm, +3dBm
23
22
21
20
19
V CC = 4.75V
18
17
18
17
18
17
1500
1650
1800
1950
2100
2250
2400
1500
1650
1800
1950
2100
2250
2400
1500
1650
1800
1950
2100
2250
2400
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
6
_______________________________________________________________________________________
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