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
55
LO SWITCH ISOLATION vs. LO FREQUENCY
55
LO SWITCH ISOLATION vs. LO FREQUENCY
55
LO SWITCH ISOLATION vs. LO FREQUENCY
50
45
T C = -35°C
50
45
P LO = 0dBm, +3dBm
50
45
40
T C = +85°C
T C = +25°C
40
P LO = -3dBm
40
V CC = 4.75V, 5.0V, 5.25V
35
35
35
1300
1450
1600
1750
1900
2050
2200
1300
1450
1600
1750
1900
2050
2200
1300
1450
1600
1750
1900
2050
2200
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
-25
T C = +25°C
T C = -35°C
-20
-25
P LO = +3dBm
P LO = 0dBm
-20
-25
V CC = 5.25V
V CC = 5.0V
-30
-35
T C = +85°C
-30
-35
-30
-35
V CC = 4.75V
-40
-45
-40
-45
P LO = -3dBm
-40
-45
1300
1450
1600
1750
1900
2050
2200
1300
1450
1600
1750
1900
2050
2200
1300
1450
1600
1750
1900
2050
2200
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
-10
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
-10
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
-10
-15
T C = +25°C
T C = +85°C
-15
-15
V CC = 5.25V
V CC = 5.0V
-20
-25
-30
T C = -35°C
-20
-25
-30
P LO = -3dBm, 0dBm, +3dBm
-20
-25
-30
V CC = 4.75V
1300
1450
1600
1750
1900
2050
2200
1300
1450
1600
1750
1900
2050
2200
1300
1450
1600
1750
1900
2050
2200
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
_______________________________________________________________________________________
7
相关PDF资料
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