
Dual, SiGe High-Linearity, 3000MHz to
4000MHz Downconversion Mixer with LO Buffer
Typical Operating Characteristics (continued)
(Typical Application Circuit, V CC = +3.3V , LO is low-side injected for a 350MHz IF, P LO = 0dBm, P RF = -5dBm, T C =+25°C, unless
otherwise noted.)
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
2LO LEAKAGE AT RF PORT vs.
LO FREQUENCY
2LO LEAKAGE AT RF PORT vs.
LO FREQUENCY
-10
V CC = 3.3V
-10
V CC = 3.3V
-10
-20
T C = -30 ° C, +25 ° C, +85 ° C
-20
P LO = -3dBm, 0dBm, +3dBm
-20
V CC = 3.0V, 3.3V, 3.6V
-30
-40
-50
-30
-40
-50
-30
-40
-50
2700
3100
3500
3900
2700
3100
3500
3900
2700
3100
3500
3900
LO FREQUENCY (MHz)
RF PORT RETURN LOSS vs.
RF FREQUENCY
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
IF PORT RETURN LOSS vs.
IF FREQUENCY
0
V CC = 3.3V
f IF = 350MHz
0
f LO = 3200MHz
5
5
10
15
20
25
30
P LO = -3dBm, 0dBm, +3dBm
10
15
20
25
30
V CC = 3.0V, 3.3V, 3.6V
3000
3200
3400
3600
3800
4000
50
140
230
320
410
500
RF FREQUENCY (MHz)
LO PORT RETURN LOSS vs.
LO FREQUENCY
IF FREQUENCY (MHz)
SUPPLY CURRENT vs.
TEMPERATURE (T C )
0
V CC = 3.3V
300
5
10
P LO = -3dBm
P LO = 0dBm
290
280
V CC = 3.6V
V CC = 3.3V
270
15
260
V CC = 3.0V
20
25
P LO = +3dBm
250
240
2650
2900
3150
3400
3650
-35
-15
5
25
45
65
85
LO FREQUENCY (MHz)
TEMPERATURE ( ° C)
14
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