
Dual, SiGe, High-Linearity, 700MHz to 1000MHz
Downconversion Mixer with LO Buffer/Switch
Typical Operating Characteristics
(Typical Application Circuit, V CC = +5.0V , P LO = 0dBm, P RF = -5dBm, LO is high-side injected for a 200MHz IF, T C =+25°C, unless
otherwise noted.)
11
10
9
8
CONVERSION GAIN vs. RF FREQUENCY
T C = -30°C
11
10
9
8
CONVERSION GAIN vs. RF FREQUENCY
11
10
9
8
CONVERSION GAIN vs. RF FREQUENCY
7
6
T C = +85°C
T C = +25°C
7
6
P LO = -3dBm, 0dBm, +3dBm
7
6
V CC = 4.75V, 5.0V, 5.25V
700
800
900
1000
700
800
900
1000
700
800
900
1000
27
RF FREQUENCY (MHz)
INPUT IP3 vs. RF FREQUENCY
27
RF FREQUENCY (MHz)
INPUT IP3 vs. RF FREQUENCY
27
RF FREQUENCY (MHz)
INPUT IP3 vs. RF FREQUENCY
26
25
T C = +85°C
P RF = -5dBm/TONE
26
25
P RF = -5dBm/TONE
26
25
P RF = -5dBm/TONE
V CC = 5.25V
24
T C = -30°C
T C = +25°C
24
P LO = +3dBm, 0dBm
P LO = -3dBm
24
V CC = 4.75V
V CC = 5.0V
23
22
23
22
23
22
700
800
900
1000
700
800
900
1000
700
800
900
1000
12
11
10
9
8
RF FREQUENCY ( M Hz)
NOISE FIGURE vs. RF FREQUENCY
T C = +85°C
12
11
10
9
8
RF FREQUENCY ( M Hz)
NOISE FIGURE vs. RF FREQUENCY
12
11
10
9
8
RF FREQUENCY ( M Hz)
NOISE FIGURE vs. RF FREQUENCY
7
T C = -30°C
T C = +25°C
7
P LO = -3dBm, 0dBm, +3dBm
7
V CC = 4.75V, 5.0V, 5.25V
6
5
6
5
6
5
700
800
900
1000
700
800
900
1000
700
800
900
1000
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
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7