Datasheet

MAX2022 High-Dynamic-Range, Direct Up/
Downconversion 1500MHz to 3000MHz
Quadrature Modulator/Demodulator
Maxim Integrated │ 15
www.maximintegrated.com
Typical Operating Characteristics (continued)
(MAX2022 Typical Operating Characteristics, RF and LO ports tuned for 2400MHz to 3000MHz as noted in Table 1. I/Q outputs are
recombined using network shown in Figure 5. Losses of combining network not included in measurements. V
CC
=5.0V,GND=0V,
P
RF
= 0dBm, P
LO
= 0dBm, f
IF
= 20MHz, f
LO
> f
RF
,intermodulationdeltafrequency=1.2MHz,50ΩLOandRFsystemimpedance,T
C
= +25°C, unless otherwise noted.)
DEMODULATOR HIGH BAND TUNING (VARIABLE LO)
LO PORT RETURN LOSS
vs. LO FREQUENCY
MAX2022 toc69
LO FREQUENCY (MHz)
LO PORT RETURN LOSS (dB)
25002000
25
20
15
10
5
0
30
1500 3000
V
CC
= 4.75V, 5.0V, 5.25V
LO PORT RETURN LOSS
vs. LO FREQUENCY
MAX2022 toc68
LO FREQUENCY (MHz)
LO PORT RETURN LOSS (dB)
25002000
25
20
15
10
5
0
30
1500 3000
P
LO
= 0dBm
P
LO
= +3dBm
P
LO
= -3dBm
RF PORT RETURN LOSS
vs. RF FREQUENCY
MAX2022 toc67
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
25002000
20
15
10
5
0
25
1500 3000
V
CC
= 4.75V, 5.0V, 5.25V
RF PORT RETURN LOSS
vs. RF FREQUENCY
MAX2022 toc66
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
25002000
20
15
10
5
0
25
1500 3000
P
LO
= -3dBm, 0dBm, +3dBm
IMAGE REJECTION
vs. LO FREQUENCY
MAX2022 toc65
LO FREQUENCY (MHz)
IMAGE REJECTION (dB)
28002600
20
30
40
50
10
2400 3000
INPUT IP2 vs. RF FREQUENCY
MAX2022 toc64
RF FREQUENCY (MHz)
INPUT IP2 (dBm)
27802580
50
60
70
80
90
40
2380 2980
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
P
RF
= 0dBm/TONE