
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 = +3.3V , f RF = f LO + f IF , f IF = 200MHz, P IF = 0dBm, P LO =
0dBm, T C = +25 N C, unless otherwise noted.)
+3.3V Upconverter Curves
0
5
10
15
20
25
30
RF PORT RETURN LOSS
vs. RF FREQUENCY
f IF = 300MHz
P LO = -3dBm, 0dBm, +3dBm
0
5
10
15
20
25
30
IF PORT RETURN LOSS
vs. IF FREQUENCY
f LO = 2200MH z
V CC = 3.0V, 3.3V, 3.6V
2000
2200
2400
2600
2800
3000
50
140
230
320
410
500
0
RF FREQUENCY (MHz)
LO PORT RETURN LOSS
vs. LO FREQUENCY
130
IF FREQUENCY (MHz)
SUPPLY CURRENT
vs. TEMPERATURE (T C )
5
P LO = -3dBm
125
V CC = 3.6V
V CC = 3.3V
10
15
120
20
25
P LO = 0dBm
P LO = +3dBm
115
V CC = 3.0V
30
1700
1900
2100
2300
2500
2700
110
-40
-15
10
35
60
85
LO FREQUENCY (MHz)
TEMPERATURE (°C)
22
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