
SiGe High-Linearity, 2000MHz to 3000MHz
Upconversion/Downconversion Mixer with LO Buffer
Typical Operating Characteristics (continued)
( Typical Application Circuit with tuning elements outlined in Table 1, V CC = +3.3V , f RF > f LO , f IF = 300MHz, P RF = 0dBm, P LO = 0dBm,
T C = +25 N C, unless otherwise noted.)
+3.3V Downconverter Curves
80
70
3RF - 3LO RESPONSE vs. RF FREQUENCY
P RF = 0dBm
80
70
3RF - 3LO RESPONSE vs. RF FREQUENCY
P RF = 0dBm
80
70
3RF - 3LO RESPONSE vs. RF FREQUENCY
P RF = 0dBm
V CC = 3.6V
60
T C = -40NC, +25NC, +85NC
60
P LO = -3dBm, 0dBm, +3dBm
60
V CC = 3.3V
V CC = 3.0V
50
50
50
2000
2200
2400
2600
2800
3000
2000
2200
2400
2600
2800
3000
2000
2200
2400
2600
2800
3000
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
T C = +85°C
9
9
8
7
T C = +25°C
8
7
8
7
V CC = 3.0V
6
5
T C = -40°C
6
5
P LO = -3dBm, 0dBm, +3dBm
6
5
V CC = 3.6V
V CC = 3.3V
4
4
4
2000
2200
2400
2600
2800
3000
2000
2200
2400
2600
2800
3000
2000
2200
2400
2600
2800
3000
24
RF FREQUENCY (MHz)
INPUT P 1dB vs. RF FREQUENCY
24
RF FREQUENCY (MHz)
INPUT P 1dB vs. RF FREQUENCY
24
RF FREQUENCY (MHz)
INPUT P 1dB vs. RF FREQUENCY
V CC = 3.6V
22
20
T C = -40°C
22
20
22
20
V CC = 3.3V
T C = +25°C
P LO = -3dBm, 0dBm, +3dB m
18
16
T C = +85°C
18
16
18
16
V CC = 3.0V
2000
2200
2400
2600
2800
3000
2000
2200
2400
2600
2800
3000
2000
2200
2400
2600
2800
3000
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
12
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