High-Linearity, 815MHz to 1000MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
Typical Operating Characteristics
(Typical Application Circuit, C5 = 3.3pF, L1 and C4 not used, V CC = +5.0V, P LO = 0dBm, P RF = 0dBm, f LO < f RF , f IF = 90MHz, unless
otherwise noted.)
Downconverter Curves
9
CONVERSION LOSS vs. RF FREQUENCY
9
CONVERSION LOSS vs. RF FREQUENCY
9
CONVERSION LOSS vs. RF FREQUENCY
8
7
T C = +85 ° C
8
7
8
7
6
T C = -40 ° C
T C = +25 ° C
6
P LO = -3dBm, 0dBm, +3dBm
6
V CC = 4.75V, 5.0V, 5.25V
5
4
5
4
5
4
800
850
900
950
1000
800
850
900
950
1000
800
850
900
950
1000
42
RF FREQUENCY (MHz)
INPUT IP3 vs. RF FREQUENCY
42
RF FREQUENCY (MHz)
INPUT IP3 vs. RF FREQUENCY
42
RF FREQUENCY (MHz)
INPUT IP3 vs. RF FREQUENCY
40
T C = +25 ° C
T C = +85 ° C
40
40
V CC = 5.0V
V CC = 5.25V
38
38
38
36
34
T C = -40 ° C
36
34
P LO = -3dBm, 0dBm, +3dBm
36
34
V CC = 4.75V
32
30
32
30
32
30
800
850
900
950
1000
800
850
900
950
1000
800
850
900
950
1000
10
RF FREQUENCY (MHz)
NOISE FIGURE vs. RF FREQUENCY
10
RF FREQUENCY (MHz)
NOISE FIGURE vs. RF FREQUENCY
10
RF FREQUENCY (MHz)
NOISE FIGURE vs. RF FREQUENCY
9
8
T C = +25 ° C
T C = +85 ° C
9
8
P LO = -3dBm
9
8
V CC = 4.75V, 5.0V, 5.25V
7
7
7
6
6
P LO = 0dBm, +3dBm
6
T C = -40 ° C
5
5
5
800
850
900
950
1000
800
850
900
950
1000
800
850
900
950
1000
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
_______________________________________________________________________________________
5
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