Datasheet

MAX2022 High-Dynamic-Range, Direct Up/
Downconversion 1500MHz to 3000MHz
Quadrature Modulator/Demodulator
Maxim Integrated │ 16
www.maximintegrated.com
Typical Operating Characteristics (continued)
(MAX2022 Typical Application Circuit, 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
LO
= 2855MHz, f
IF
= 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 (FIXED LO)
INPUT IP2 vs. RF FREQUENCY
MAX2022 toc74
RF FREQUENCY (MHz)
INPUT IP2 (dBm)
26002400
50
60
70
80
40
2200 2800
IF1+IF2 TERM
P
RF
= 0dBm/TONE
f
LO
= 2855MHz
INPUT IP3 vs. RF FREQUENCY
MAX2022 toc73
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
26002400
32
34
36
38
40
30
2200 2800
P
RF
= 0dBm/TONE
f
LO
= 2855MHz
I/Q PHASE MISMATCH
vs. IF FREQUENCY
MAX2022 toc72
IF FREQUENCY (MHz)
I/Q PHASE MISMATCH (DEG)
490330170
-1
0
1
2
-2
10 650
f
LO
= 2855MHz
I/Q GAIN MISMATCH
vs. IF FREQUENCY
MAX2022 toc71
IF FREQUENCY (MHz)
I/Q GAIN MISMATCH (dB)
490330170
-0.05
0
0.05
0.10
-0.10
10 650
f
LO
= 2855MHz
CONVERSION LOSS
vs. RF FREQUENCY
MAX2022 toc70
RF FREQUENCY (MHz)
CONVERSION LOSS (dB)
268025202360
10
11
12
9
2200 2840
f
LO
= 2855MHz