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MAX2022
High-Dynamic-Range, Direct Up/
Downconversion 1500MHz to 3000MHz
Quadrature Modulator/Demodulator
MODULATOR
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.)
OUTPUT IP3 OUTPUT IP3 OUTPUT IP3
vs. LO FREQUENCY vs. LO FREQUENCY vs. LO FREQUENCY
25 25 25
20
15
T C = -40°C, +25°C, +85°C
20
15
V CC = 5.0V, 5.25V
V CC = 4.75V
20
15
P LO = -3dBm
P LO = 0dBm, +3dBm
10
10
10
5
0
1.5
V BB = 0.61V P-P DIFFERENTIAL PER TONE,
f BB1 = 1.8MHz, f BB2 = 1.9MHz
1.7 1.9 2.1 2.3
2.5
5
0
1.5
V BB = 0.61V P-P DIFFERENTIAL PER TONE,
f BB1 = 1.8MHz, f BB2 = 1.9MHz
1.7 1.9 2.1 2.3
2.5
5
0
1.5
V BB = 0.61V P-P DIFFERENTIAL PER TONE,
f BB1 = 1.8MHz, f BB2 = 1.9MHz
1.7 1.9 2.1 2.3
2.5
LO FREQUENCY (GHz)
LO FREQUENCY (GHz)
LO FREQUENCY (GHz)
60
50
40
30
20
OUTPUT IP3
vs. COMMON-MODE BASEBAND VOLTAGE
V BB = 0.61V P-P DIFFERENTIAL PER TONE,
f BB1 = 1.8MHz, f BB2 = 1.9MHz
f LO = 2140MHz
f LO = 1960MHz
70
60
50
40
30
20
OUTPUT IP2
vs. LO FREQUENCY
T C = +25°C
T C = +85°C
T C = -40°C
70
60
50
40
30
20
OUTPUT IP2
vs. LO FREQUENCY
V CC = 4.75V, 5.0V
V CC = 5.25V
10
0
-3
-2
-1
0
1
2
3
10
0
1.5
V BB = 0.61V P-P DIFFERENTIAL PER TONE,
f BB1 = 1.8MHz, f BB2 = 1.9MHz
1.7 1.9 2.1 2.3
2.5
10
0
1.5
V BB = 0.61V P-P DIFFERENTIAL PER TONE,
f BB1 = 1.8MHz, f BB2 = 1.9MHz
1.7 1.9 2.1 2.3
2.5
COMMMON-MODE BASEBAND VOLTAGE (V)
LO FREQUENCY (GHz)
LO FREQUENCY (GHz)
70
60
50
40
30
20
OUTPUT IP2
vs. LO FREQUENCY
P LO = +3dBm
P LO = 0dBm
P LO = -3dBm
60
50
40
30
20
OUTPUT IP2
vs. COMMON-MODE BASEBAND VOLTAGE
f LO = 1960MHz
f LO = 2140MHz
0
-20
-40
-60
LO LEAKAGE vs. LO FREQUENCY
NULLED AT f LO = 1960MHz AT
P RF = -18dBm
10
0
1.5
V BB = 0.61V P-P DIFFERENTIAL PER TONE,
f BB1 = 1.8MHz, f BB2 = 1.9MHz
1.7 1.9 2.1 2.3
2.5
10
0
-3
V BB = 0.61V P-P DIFFERENTIAL PER TONE,
f BB1 = 1.8MHz, f BB2 = 1.9MHz
-2 -1 0 1 2
3
-80
-100
1.945 1.950 1.955 1.960 1.965 1.970 1.975
LO FREQUENCY (GHz)
www.maximintegrated.com
COMMMON-MODE BASEBAND VOLTAGE (V)
LO FREQUENCY (GHz)
Maxim Integrated │ 8
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