
Dual, SiGe, High-Linearity, 1200MHz to 1700MHz
Downconversion Mixer with LO Buffer/Switch
Typical Operating Characteristics
( Typical Application Circuit (see Table 1). V CC = 5.0V , f RF > f LO for a 140MHz IF, P RF = -5dBm, P LO = 0dBm, T C = +25°C, unless
otherwise noted.)
8
CONVERSION GAIN vs. RF FREQUENCY
T C = -40°C
8
CONVERSION GAIN vs. RF FREQUENCY
8
CONVERSION GAIN vs. RF FREQUENCY
7
T C = +25°C
7
7
6
5
4
T C = +85°C
6
5
4
P LO = -6dBm, -3dBm, 0dBm, +3dBm
6
5
4
V CC = 4.75V, 5.0V, 5.25V
1200
1300
1400
1500
1600
1700
1200
1300
1400
1500
1600
1700
1200
1300
1400
1500
1600
1700
RF FREQUENCY (MHz)
INPUT IP3 vs. RF FREQUENCY
RF FREQUENCY (MHz)
INPUT IP3 vs. RF FREQUENCY
RF FREQUENCY (MHz)
INPUT IP3 vs. RF FREQUENCY
28
P RF = -5dBm/TONE
28
P RF = -5dBm/TONE
28
P RF = -5dBm/TONE
T C = +85°C
P LO = +3dBm
V CC = 5.25V
27
26
T C = +25°C
T C = -40°C
27
26
P LO = 0dBm
P LO = -3dBm
27
26
V CC = 5.0V
P LO = -6dBm
V CC = 4.75V
25
25
25
1200
1300
1400
1500
1600
1700
1200
1300
1400
1500
1600
1700
1200
1300
1400
1500
1600
1700
13
RF FREQUENCY (MHz)
NOISE FIGURE vs. RF FREQUENCY
13
RF FREQUENCY (MHz)
NOISE FIGURE vs. RF FREQUENCY
13
RF FREQUENCY (MHz)
NOISE FIGURE vs. RF FREQUENCY
12
11
10
T C = +85°C
T C = +25°C
12
11
10
12
11
10
9
8
7
T C = -40°C
9
8
7
P LO = -6dBm, -3dBm, 0dBm, +3dBm
9
8
7
V CC = 4.75V, 5.0V, 5.25V
1200
1300
1400
1500
1600
1700
1200
1300
1400
1500
1600
1700
1200
1300
1400
1500
1600
1700
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
7