
Adjustable, High-Linearity,
SiGe Dual-Band LNA/Mixer ICs
Typical Operating Characteristics
(MAX232_ EV kit, V CC = +2.75V, f LNAINH = f MIXINH = 1960MHz, f LNAINL = f MIXINL = 881MHz, f LOHIN = 1750MHz, f LOLIN = 1091MHz
(digital modes), f LOLIN = 991MHz (FM mode), LO input power = -7dBm, 50 ? system, all measurements include matching component
losses but not connector and trace losses, T A = +25°C, unless otherwise noted.)
PCS-BAND SUPPLY CURRENT
CELLULAR-BAND SUPPLY CURRENT
25
vs. TEMPERATURE
25
vs. TEMPERATURE
CELLULAR-BAND LNA S11
20
15
10
5
HGHL
LGHL
HGLL
20
15
10
5
HGHL
LGHL
HGLL
HGLL, FM
HGHL
LGHL
0
0
-50
0
50
100
-50
0
50
100
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
CELLULAR-BAND LNA S22
PCS-BAND LNA S11
PCS-BAND LNA S22
LGHL
HGLL, FM
HGHL
HGLL
LGHL
HGHL
HGHL
HGLL
LGHL
DIGITAL MIXER DIFFERENTIAL IF
PORT IMPEDANCE
PCS-BAND MIXER S11
CELLULAR-BAND MIXER S11
160
MAX2320 toc09
0.80
140
120
100
80
60
CAPACITANCE
RESISTANCE
0.70
0.60
0.50
ALL MODES
ALL MODES
40
20
0
0
0.40
0.30
50 100 150 200 250 300 350 400 450
FREQUENCY (MHz)
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7