
MAX2022
High-Dynamic-Range, Direct Upconversion
1500MHz to 2500MHz Quadrature Modulator
_______________________________________________________________________________________ 5
IMAGE REJECTION (dB)
10
20
30
40
50
60
0
IMAGE REJECTION vs. LO FREQUENCY
MAX2022 toc10
LO FREQUENCY (GHz)
2.32.11.91.71.5 2.5
f
BB
= 1MHz, V
I
= V
Q
= 112mV
P-P
T
C
= -40
°
C, +25
°
C, +85
°
C
IMAGE REJECTION (dB)
10
20
30
40
50
60
0
IMAGE REJECTION vs. LO FREQUENCY
MAX2022 toc11
LO FREQUENCY (GHz)
2.32.11.91.71.5 2.5
f
BB
= 1MHz, V
I
= V
Q
= 112mV
P-P
P
LO
= 0dBm
P
LO
= +3dBm
P
LO
= -3dBm
IMAGE REJECTION (dB)
10
20
30
40
50
60
0
IMAGE REJECTION vs. LO FREQUENCY
MAX2022 toc12
LO FREQUENCY (GHz)
2.32.11.91.71.5 2.5
f
BB
= 1MHz, V
I
= V
Q
= 112mV
P-P
V
CC
= 4.75, 5.0V, 5.25V
Typical Operating Characteristics (continued)
(MAX2022 Typical Application Circuit, 50Ω LO input, R1 = 432Ω, R2 = 562Ω, R3 = 301Ω, V
CC
= +5V, P
LO
= 0dBm, V
IFI
= V
IFQ
=
109mV
P-P
differential, f
IQ
= 1MHz, I/Q differential inputs driven from a 100Ω DC-coupled source, common-mode input from 0V, T
C
=
+25°C, unless otherwise noted.)
OUTPUT NOISE vs. OUTPUT POWER
AMX2022 toc13
OUTPUT POWER (dBm)
OUTPUT NOISE (dBm/Hz)
50-10 -5-15-20
-175
-170
-165
-160
-155
-150
-180
-25 10
P
LO
= 0dBm, f
LO
= 1960MHz
T
C
= +85
°
C
T
C
= -40
°
C
T
C
= +25
°
C
OUTPUT NOISE vs. OUTPUT POWER
AMX2022 toc14
OUTPUT POWER (dBm)
OUTPUT NOISE (dBm/Hz)
50-10 -5-15-20
-176
-172
-168
-164
-160
-156
-180
-25 10
P
LO
= 0dBm, f
LO
= 2140MHz
T
C
= -40
°
C
T
C
= +85
°
C
T
C
= +25
°
C
IF FLATNESS
vs. BASEBAND FREQUENCY
MAX2022 toc15
BASEBAND FREQUENCY (MHz)
IF POWER (dBm)
80604020
-23
-22
-21
-20
-19
-18
-17
-16
-15
-14
-24
0 100
f
LO
= 1960MHz, P
BB
= -12dBm/PORT INTO 50
Ω
f
LO
- f
RF
f
LO
+ f
RF
IF FLATNESS
vs. BASEBAND FREQUENCY
MAX2022 toc16
BASEBAND FREQUENCY (MHz)
IF POWER (dBm)
80604020
-23
-22
-21
-20
-19
-18
-17
-16
-15
-14
-24
0 100
f
LO
= 2140MHz, P
BB
= -12dBm/PORT INTO 50Ω
f
LO
- f
RF
f
LO
+ f
RF
BASEBAND DIFFERENTIAL INPUT RESISTANCE
vs. BASEBAND FREQUENCY
BASEBAND DIFFERENTIAL INPUT RESISTANCE (Ω)
41.5
42.0
42.5
43.0
43.5
44.0
44.5
45.0
41.0
MAX2022 toc17
BASEBAND FREQUENCY (MHz)
6040 80200100
f
LO
= 2GHz, P
LO
= 0dBm
V
CC
= 5.0V
V
CC
= 4.75V
V
CC
= 5.25V
BASEBAND DIFFERENTIAL INPUT RESISTANCE
vs. BASEBAND FREQUENCY
BASEBAND DIFFERENTIAL INPUT RESISTANCE (Ω)
43.0
43.5
44.0
44.5
42.5
MAX2022 toc18
BASEBAND FREQUENCY (MHz)
6040 80200100
f
LO
= 2GHz, V
CC
= 5.0V
P
LO
= -3dBm
P
LO
= +3dBm
P
LO
= 0dBm
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