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
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
-10
T C = +85°C
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
-10
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
-10
-15
-20
T C = +25°C
-15
-20
-15
-20
V CC = 5.25V
V CC = 5.0V
-25
T C = -40°C
-25
P LO = -3dBm, 0dBm, +3dBm
-25
V CC = 4.75V
-30
-30
-30
1500
1700
1900
2100
2300
2500
1500
1700
1900
2100
2300
2500
1500
1700
1900
2100
2300
2500
50
45
LO FREQUENCY (MHz)
RF-TO-IF ISOLATION vs. RF FREQUENCY
50
45
LO FREQUENCY (MHz)
RF-TO-IF ISOLATION vs. RF FREQUENCY
50
45
LO FREQUENCY (MHz)
RF-TO-IF ISOLATION vs. RF FREQUENCY
40
35
T C = +85°C
40
35
40
35
T C = -40°C
30
T C = +25°C
30
P LO = -3dBm, 0dBm, +3dBm
30
V CC = 4.75V, 5.0V, 5.25V
25
20
25
20
25
20
1500
1700
1900
2100
2300
1500
1700
1900
2100
2300
1500
1700
1900
2100
2300
RF FREQUENCY (MHz)
RF PORT RETURN LOSS vs. RF FREQUENCY
0
5
10
15
20
25
RF FREQUENCY (MHz)
0
5
10
15
20
25
30
RF FREQUENCY (MHz)
IF PORT RETURN LOSS vs. IF FREQUENCY
30
35
40
V CC = 4.75V, 5.0V, 5.25V
35
40
P LO = -3dBm, 0dBm, +3dBm
45
50
1000
1500
2000
2500
3000
50
100
150
200
250
300
350
RF FREQUENCY (MHz)
IF FREQUENCY (MHz)
_______________________________________________________________________________________
7
相关PDF资料
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