
SiGe, High-Linearity, 2300MHz to 4000MHz
Upconversion/Downconversion Mixer with LO Buffer
Typical Operating Characteristics (continued)
( Typical Application Circuit with tuning elements outlined in Table 1, Downconverter Mode, V CC = 5.0V, f RF = 3000MHz to
4000MHz, LO is high-side injected for a 300MHz IF, P RF = 0dBm, P LO = 0dBm, T C = +25 N C, unless otherwise noted.)
-20
-30
-40
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
T C = +85°C
-20
-30
-40
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
-20
-30
-40
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
-50
T C = -40°C
T C = +25°C
-50
P LO = -3dBm, 0dBm, +3dBm
-50
V CC = 4.75V, 5.0V, 5.25V
3000
3500
4000
4500
3000
3500
4000
4500
3000
3500
4000
4500
-10
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
-10
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
P LO = +3dBm
-10
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
-20
T C = -40°C
-20
P LO = 0dBm
-20
V CC = 4.75V
-30
T C = +25°C
-30
-30
-40
T C = +85°C
-40
P LO = -3dBm
-40
V CC = 5.0V
V CC = 5.25V
-50
-50
-50
3000
3400
3800
4200
3000
3400
3800
4200
3000
3400
3800
4200
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
24
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