MAX2021ETXT 查看數據表（PDF） - Maxim Integrated
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MAX2021ETXT
Maxim Integrated
MAX2021ETXT Datasheet PDF : 20 Pages
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MAX2021
High-Dynamic-Range, Direct Up-/Downconversion
650MHz to 1200MHz Quadrature Mod/Demod
Typical Operating Characteristics
(MAX2021 Typical Application Circuit, VCC = 5.0V, GND = 0V, I/Q outputs are recombined using network shown in Figure 5. Losses of
combining network not included in measurements. PRF = 0dBm, PLO = 0dBm, fLO = 965MHz, fIF = fLO - fRF, 50Ω LO and RF system
impedance, R1 = 432Ω, R2 = 619Ω, R3 = 332Ω, TA = +25°C, unless otherwise noted.)
DEMODULATOR (FIXED LO)
CONVERSION LOSS vs. RF FREQUENCY
12
fLO = 965MHz
11
10
9
8
I/Q GAIN MISMATCH vs. IF FREQUENCY
0.10
fLO = 965MHz
0.05
0
-0.05
I/Q PHASE MISMATCH vs. IF FREQUENCY
2.0
fLO = 965MHz
1.5
1.0
0.5
0
-0.5
7
650 695 740 785 830 875
RF FREQUENCY (MHz)
-0.10
90 135 180 225 270 315
IF FREQUENCY (MHz)
-1.0
90 135 180 225 270 315
IF FREQUENCY (MHz)
INPUT IP3 vs. RF FREQUENCY
38
PRF = 0dBm/ TONE
37 fLO = 965MHz
INPUT IP2 vs. RF FREQUENCY
90
PRF = 0dBm/ TONE
85 fLO = 965MHz
36
1MHz TONE DELTA
35
80
1MHz TONE DELTA
75
34
45MHz TONE DELTA
33
70
65
45MHz TONE DELTA
32
650
725
800
875
950
RF FREQUENCY (MHz)
60
650
725
800
875
950
RF FREQUENCY (MHz)
10
Maxim Integrated
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