High-Linearity, 650MHz to 1000MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
Typical Operating Characteristics (continued)
(Typical Application Circuit, optimized for the 700MHz band (see Table 1) , C1 = 7pF, C5 = 3.3pF, L1 and C4 are not used, V CC =
5V, P LO = 0dBm, P RF = 0dBm, f LO > f RF , f IF = 140MHz, T C = +25°C, unless otherwise noted.)
Downconverter Curves
90
3LO-3RF RESPONSE
vs. RF FREQUENCY
90
3LO-3RF RESPONSE
vs. RF FREQUENCY
90
3LO-3RF RESPONSE
vs. RF FREQUENCY
80
T C = +25°C
P RF = 0dBm
80
P RF = 0dBm
80
V CC = 5.25V
P RF = 0dBm
T C = +85°C
70
T C = -40°C
70
P LO = -3dBm, 0dBm, +3dBm
70
V CC = 5.0V
V CC = 4.75V
60
60
60
650
700
750
800
850
650
700
750
800
850
650
700
750
800
850
30
RF FREQUENCY (MHz)
INPUT P 1dB vs. RF FREQUENCY
30
RF FREQUENCY (MHz)
INPUT P 1dB vs. RF FREQUENCY
30
RF FREQUENCY (MHz)
INPUT P 1dB vs. RF FREQUENCY
29
29
P LO = +3dB     m
29
V CC = 5.0V
V CC = 5.25V
T C = +25°C
28
28
28
27
T C = +85°C
27
P LO = 0dBm
27
V CC = 4.75V
26
25
T C = -40°C
26
25
P LO = -3dBm
26
25
650
700
750
800
850
650
700
750
800
850
650
700
750
800
850
-15
RF FREQUENCY (MHz)
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
-15
RF FREQUENCY (MHz)
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
-15
RF FREQUENCY (MHz)
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
-25
T C = -40°C
-25
P LO = +3dBm
-25
V CC = 5.25V
-35
T C = +25°C
T C = +85°C
-35
P LO = 0dBm
P LO = -3dBm
-35
V CC = 4.75V
V CC = 5.0V
-45
-45
-45
790
840
890
940
990
790
840
890
940
990
790
840
890
940
990
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
10
______________________________________________________________________________________
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