Datasheet

MAX2023
High-Dynamic-Range, Direct Up-/Downconversion
1500MHz to 2500MHz Quadrature Mod/Demod
6
Typical Operating Characteristics
(MAX2023 Typical Application Circuit , V
CC
= 4.75V to 5.25V, GND = 0V, I/Q differential inputs driven from a 100Ω DC-coupled source
(modulator), V
BBI
= V
BBQ
= 2.6V
P-P
differential (modulator), P
RF
= +6dBm (demodulator), I/Q differential output drives 50Ω differential load
(demodulator), 0V common-mode input/output, P
LO
= 0dBm, 1500MHz ≤ f
LO
≤ 2300MHz, 50Ω LO and RF system impedance, R1 = 432Ω,
R2 = 562Ω, R3 = 301Ω, T
C
= -40°C to +85°C. Typical values are at V
CC
= 5V, f
LO
= 1850MHz, T
C
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE (T
C
)
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
MAX2023 toc01
-40 -15 10 35 60 85
200
220
240
260
280
300
320
340
360
380
400
V
CC
= 4.75V
V
CC
= 5.25V
V
CC
= 5V
MODULATOR SINGLE-SIDEBAND SUPPRESSION
vs. LO FREQUENCY
LO FREQUENCY (GHz)
SIDEBAND REJECTION (dBc)
MAX2023 toc02
1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3
20
25
30
35
40
45
50
55
60
65
70
P
LO
= -3dBm
P
LO
= 0dBm
P
LO
= +3dBm
MODULATOR SINGLE-SIDEBAND SUPPRESSION
vs. LO FREQUENCY
LO FREQUENCY (GHz)
SIDEBAND REJECTION (dBc)
MAX2023 toc03
1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3
20
25
30
35
40
45
50
55
60
65
70
V
CC
= 4.75V
V
CC
= 5V
V
CC
= 5.25V
MODULATOR SINGLE-SIDEBAND SUPPRESSION
vs. LO FREQUENCY
LO FREQUENCY (GHz)
SIDEBAND REJECTION (dBc)
MAX2023 toc04
1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3
20
25
30
35
40
45
50
55
60
65
70
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
MODULATOR OUTPUT IP3
vs. LO FREQUENCY
LO FREQUENCY (GHz)
OUTPUT IP3 (dBm)
MAX2023 toc05
1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3
10
12
14
16
18
20
22
24
26
28
30
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
f
1
= 1.8MHz
f
2
= 1.9MHz
MODULATOR OUTPUT IP3
vs. LO FREQUENCY
LO FREQUENCY (GHz)
OUTPUT IP3 (dBm)
MAX2023 toc06
1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3
10
12
14
16
18
20
22
24
26
28
30
V
CC
= 4.75V, 5V, 5.25V
f
1
= 1.8MHz
f
2
= 1.9MHz