
SiGe High-Linearity, 2000MHz to 3000MHz
Upconversion/Downconversion Mixer with LO Buffer
MAX2042
22 _____________________________________________________________________________________
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
= +25NC, unless otherwise noted.)
+3.3V Upconverter Curves
RF PORT RETURN LOSS
vs. RF FREQUENCY
MAX2042 toc121
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
2800260024002200
25
20
15
10
5
0
30
2000 3000
f
IF
= 300MHz
P
LO
= -3dBm, 0dBm, +3dBm
IF PORT RETURN LOSS
vs. IF FREQUENCY
MAX2042 toc122
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
410320230140
25
20
15
10
5
0
30
50 500
f
LO
= 2200MHz
V
CC
= 3.0V, 3.3V, 3.6V
LO PORT RETURN LOSS
vs. LO FREQUENCY
MAX2042 toc123
LO FREQUENCY (MHz)
LO PORT RETURN LOSS (dB)
2500230021001900
25
20
15
10
5
0
30
1700 2700
P
LO
= 0dBm
P
LO
= +3dBm
P
LO
= -3dBm
SUPPLY CURRENT
vs. TEMPERATURE (T
C
)
MAX2042 toc124
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
603510-15
115
120
125
130
110
-40 85
V
CC
= 3.0V
V
CC
= 3.6V
V
CC
= 3.3V
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