
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 2, V CC = +5.0V , f RF = f LO + f IF , f IF = 200MHz, P IF = 0dBm, PLO =
0dBm, T C = +25 N C, unless otherwise noted.)
+5.0V Upconverter Curves
LO + 2IF RESPONSE vs. RF FREQUENCY
LO + 2IF RESPONSE vs. RF FREQUENCY
LO + 2IF RESPONSE vs. RF FREQUENCY
85
P IF = 0dBm
85
P IF = 0dBm
85
P IF = 0dBm
P LO = +3dBm
75
65
T C = +85°C
75
65
75
65
V CC = 4.75V, 5.0V, 5.25V
55
T C = +25°C
55
P LO = 0dBm
55
T C = -40°C
P LO = -3dBm
45
45
45
2000
2200
2400
2600
2800
3000
2000
2200
2400
2600
2800
3000
2000
2200
2400
2600
2800
3000
RF FREQUENCY (MHz)
LO - 3IF RESPONSE vs. RF FREQUENCY
RF FREQUENCY (MHz)
LO - 3IF RESPONSE vs. RF FREQUENCY
RF FREQUENCY (MHz)
LO - 3IF RESPONSE vs. RF FREQUENCY
100
P IF = 0dBm
100
P IF = 0dBm
100
P IF = 0dBm
90
T C = -40°C
T C = +25°C
90
90
V CC = 5.25V
V CC = 5.0V
80
80
80
70
T C = +85°C
70
P LO = -3dBm, 0dBm, +3dBm
70
V CC = 4.75V
60
60
60
2000
2200
2400
2600
2800
3000
2000
2200
2400
2600
2800
3000
2000
2200
2400
2600
2800
3000
RF FREQUENCY (MHz)
LO + 3IF RESPONSE vs. RF FREQUENCY
RF FREQUENCY (MHz)
LO + 3IF RESPONSE vs. RF FREQUENCY
RF FREQUENCY (MHz)
LO + 3IF RESPONSE vs. RF FREQUENCY
100
90
P IF = 0dBm
T C = -40°C
100
90
P IF = 0dBm
100
90
V CC = 5.25V
P IF = 0dBm
80
80
80
70
T C = +85°C
T C = +25°C
70
P LO = -3dBm, 0dBm, +3dBm
70
V CC = 4.75V
V CC = 5.0V
60
60
60
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)
16
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