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MAX2022
High-Dynamic-Range, Direct Up/
Downconversion 1500MHz to 3000MHz
Quadrature Modulator/Demodulator
MODULATOR
-70 -70 f LO = 2140Hz
-20
NULLED AT -10dBm
-76
-76
NULLED AT -10dBm
Typical Operating Characteristics (continued)
(MAX2022 Typical Application Circuit , 50? LO input, R1 = 432?, R2 = 562?, R3 = 301?, V CC = 5V, P LO = 0dBm, f LO = 2140MHz,
V I = V Q  = 109mV P-P differential, f IQ  = 1MHz, I/Q differential inputs driven from a 100? differential DC-coupled source, common-mode 
input from 0V, T C = +25°C, unless otherwise noted.)
LO LEAKAGE vs. P RF WITH LO LEAKAGE vs. P RF WITH LO LEAKAGE vs. f LO WITH
LO LEAKAGE NULLED AT SPECIFIC P RF LO LEAKAGE NULLED AT SPECIFIC P RF LO LEAKAGE NULLED AT SPECIFIC P RF
-68 -68 0
-10
-72 -72
-74 -74
-30
-78
-78
-40
-80
-82
-84
-86
-88
-90
-40
NULLED AT -14dBm,
-18dBm, -22dBm
f LO = 1960MHz
-35 -30 -25 -20
-15
-10
-80
-82
-84
-86
-88
-90
-40
NULLED AT -14dBm,
-18dBm, -22dBm
-35 -30 -25
-20
-15
-10
-50
-60
-70
-80
-90
1.85
f LO = 1960MHz, NULLED AT -10dBm P RF
1.90 1.95 2.00 2.05
2.10
OUTPUT POWER P RF (dBm)
OUTPUT POWER P RF (dBm)
LO FREQUENCY (GHz)
0
LO LEAKAGE vs. f LO WITH
LO LEAKAGE NULLED AT SPECIFIC P RF
-40
LO LEAKAGE vs. DIFFERENTIAL
DC OFFSET ON Q-SIDE
-10
-20
-30
-40
-50
-60
-70
-80
f LO = 2140MHz, NULLED AT -10dBm P RF
-50
-60
-70
P RF = -18dBm, I-SIDE NULLED
f LO = 2140MHz f LO = 1960MHz
-90
2.00
2.05
2.10
2.15
2.20
2.25
-80
-15
-14
-13
-12
-11
-10
-9
-8
LO FREQUENCY (GHz)
DC DIFFERENTIAL OFFSET ON Q-SIDE (mV)
70
60
50
SIDEBAND SUPRESSION vs. P RF
1.8MHz
70
60
50
SIDEBAND SUPRESSION vs. P RF
40
30
20
9MHz
40
30
20
1.8MHz
9MHz
10
0
f BB1 = 1.8MHz, f BB2 = 9MHz, f LO = 1960MHz,
1.8MHz BASEBAND TONE NULLED AT
P RF = -20dBm
-30 -25 -20 -15
-10
10
0
f BB1 = 1.8MHz, f BB2 = 9MHz, f LO = 2140MHz,
1.8MHz BASEBAND TONE NULLED AT
P RF = -20dBm
-30 -25 -20 -15
-10
www.maximintegrated.com
MODULATOR P OUT (dBm)
MODULATOR P OUT (dBm)
Maxim Integrated │ 9
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