MAX2022
High-Dynamic-Range, Direct Up/
Downconversion 1500MHz to 3000MHz
Quadrature Modulator/Demodulator
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, 50? LO and RF system impedance, T C = +25°C,
unless otherwise noted.)
DEMODULATOR HIGH BAND TUNING (FIXED LO)
12
CONVERSION LOSS
vs. RF FREQUENCY
f LO = 2855MHz
0.10
I/Q GAIN MISMATCH
vs. IF FREQUENCY
f LO = 2855MHz
2
I/Q PHASE MISMATCH
vs. IF FREQUENCY
f LO = 2855MHz
11
10
0.05
0
-0.05
1
0
-1
9
2200
2360
2520
2680
2840
-0.10
10
170
330
490
650
-2
10
170
330
490
650
RF FREQUENCY (MHz)
IF FREQUENCY (MHz)
IF FREQUENCY (MHz)
40
38
INPUT IP3 vs. RF FREQUENCY
P RF = 0dBm/TONE
f LO = 2855MHz
80
70
INPUT IP2 vs. RF FREQUENCY
IF1+IF2 TERM P RF = 0dBm/TONE
f LO = 2855MHz
36
60
34
32
50
30
2200
2400
2600
2800
40
2200
2400
2600
2800
www.maximintegrated.com
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
Maxim Integrated │ 16
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相关代理商/技术参数
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