MAX2023ETX Maxim Integrated Products, MAX2023ETX Datasheet - Page 7

• Manufacturer Part Number: MAX2023ETX
• Description: Modulator / Demodulator High-Dynamic-Range D irect Up-/Downconver
• Manufacturer: Maxim Integrated Products

High-Dynamic-Range, Direct Up-/Downconversion
(MAX2023 Typical Application Circuit , V
(modulator), V
(demodulator), 0V common-mode input/output, P
R2 = 562Ω, R3 = 300Ω, T
80
75
70
65
60
55
50
1.5
1500MHz to 2300MHz Quadrature Mod/Demod
1.6
DEMODULATOR INPUT IP2
BBI
T
1.7
C
vs. LO FREQUENCY
LO FREQUENCY (GHz)
= -40°C
= V
1.8
T
BBQ
_________________________________________________________________________________________________
10
12
14
16
18
20
22
24
26
28
30
C
= +85°C
1.9
1.5
C
= 2.6V
= -40°C to +85°C. Typical values are at V
2.0
1.6
f
f
T
1
2
C
= f
= f
= +25°C
LO
LO
LO PORT RETURN LOSS
P-P
2.1
1.7
P
LO
+ 25MHz
+ 26MHz
LO FREQUENCY (GHz)
differential (modulator), P
= -6dBm
2.2
1.8
P
LO
CC
2.3
1.9
= -3dBm
= +4.75V to +5.25V, GND = 0V, I/Q differential inputs driven from a 100Ω DC-coupled source
P
2.0
LO
= 0dBm
LO
P
2.1
LO
Typical Operating Characteristics (continued)
= +3dBm
= 0dBm, 1500MHz ≤ f
6
5
4
3
2
1
0
1.5
2.2
DEMODULATOR I/Q PHASE IMBALANCE
1.6
2.3
RF
P
P
P
P
1.7
LO
LO
LO
LO
vs. LO FREQUENCY
= +6dBm (demodulator), I/Q differential output drives 50Ω differential load
LO FREQUENCY (GHz)
= +3dBm
= 0dBm
= -3dBm
= -6dBm
1.8
CC
1.9
= +5V, f
LO
2.0
≤ 2300MHz, 50Ω LO and RF system impedance, R1 = 432Ω,
LO
2.1
= 1850MHz, T
2.2
10
15
20
25
30
35
40
1.5
2.3
1.6
RF PORT RETURN LOSS
1.7
0.07
0.06
0.05
0.04
0.03
0.02
0.01
P
C
RF FREQUENCY (GHz)
LO
= +25°C, unless otherwise noted.)
0
DEMODULATOR I/Q AMPLITUDE IMBALANCE
= -6dBm, -3dBm, 0dBm, +3dBm
1.8
1.5
P
1.9
LO
1.6
= -3dBm
P
LO
2.0
1.7
= -6dBm
vs. LO FREQUENCY
P
LO FREQUENCY (GHz)
LO
2.1
1.8
= +3dBm
2.2
1.9
2.3
2.0
P
LO
2.1
= 0dBm
2.2
2.3
7