Datasheet

MAX2023
High-Dynamic-Range, Direct Up-/Downconversion
1500MHz to 2500MHz Quadrature Mod/Demod
3
AC ELECTRICAL CHARACTERISTICS (Modulator)
(MAX2023 Typical Application Circuit , when operated as a modulator, V
CC
= 4.75V to 5.25V, GND = 0V, I/Q differential inputs
driven from a 100Ω DC-coupled source, 0V common-mode input, 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, V
BBI
= V
BBQ
= 2.66V
P-P
differential, f
IQ
= 1MHz, f
LO
= 1850MHz,
P
LO
= 0dBm, T
C
= +25°C, unless otherwise noted.)
PARAMETER CONDITIONS MIN TYP MAX UNITS
BASEBAND INPUT
Baseband Input Differential
Impedance
f
I/Q
= 1MHz 55 
BB Common-Mode Input Voltage
Range
V
BBI
= V
BBQ
= 1V
P-P
differential ±3.5 V
Baseband 0.5dB Bandwidth 450 MHz
LO INPUT
LO Input Return Loss 15 dB
RF OUTPUT
f
LO
= 1750MHz 24.2
f
LO
= 1850MHz 23.5
Output IP3
P
OUT
= 0dBm,
f
BB1
= 1.8MHz,
f
BB2
= 1.9MHz
f
LO
= 1950MHz 22
dBm
Output IP2
P
OUT
= 0dBm, f
BB1
= 1.8MHz, f
BB2
= 1.9MHz,
f
LO
= 1850MHz
61 dBm
f
LO
= 1750MHz 15.9
f
LO
= 1850MHz 14.3
Output P
1dB
CW tone
f
LO
= 1950MHz 12.5
dBm
Output Power (Note 7) 5.6 dBm
Output Power Variation Over
Temperature
P
OUT
= +5.6dBm, f
I/Q
= 100kHz, T
C
= -40°C to
+85°C
0.25 dB
Output-Power Flatness
f
LO
= 1850MHz, P
RF
flatness for f
LO
swept over
±50MHz range
0.2 dB
RF Return Loss f
LO
= 1850MHz 17 dB
f
LO
= 1750MHz 51
f
LO
= 1850MHz 48
Single Sideband Rejection
No external
calibration
f
LO
= 1950MHz 48
dBc
200kHz offset -37.2
400kHz offset -71.4
600kHz offset -84.7
Spurious Emiss ions
P
OUT
= +6dBm, f
LO
= 1850MHz, EDGE
input
1.2MHz offset -85
dBc/
30kHz
RMS 0.67
Error Vector Magnitude EDGE input
Peak 1.5
%
Output Noise Density (Note 8) -174 dBm/Hz
Output Noise Floor P
OUT
= 0dBm (Note 9) -165 dBm/Hz
f
LO
= 1750MHz -59
f
LO
= 1850MHz -54
LO Leakage
Unnulled, baseband
inputs terminated in
50
f
LO
= 1950MHz -48
dBm