Datasheet

Maxim Integrated │ 4
MAX2022 High-Dynamic-Range, Direct Up/
Downconversion 1500MHz to 3000MHz
Quadrature Modulator/Demodulator
www.maximintegrated.com
AC Electrical Characteristics (Modulator) (continued)
(MAX2022 Typical Application Circuit, V
CC
 = 4.75V to 5.25V, V
GND
 = 0V, I/Q differential inputs driven from a 100Ω differential
DC-coupled source, 0V common-mode input, P
LO
= 0dBm, f
LO
=1900MHzto2200MHz,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
=109mV
P-P
differential, V
BBQ
=109mV
P-P
differential, f
IQ
= 1MHz, T
C
=+25°C,unlessotherwisenoted.)(Notes6,7)
AC Electrical Characteristics (Demodulator, f
LO
= 1880MHz)
(MAX2022 Typical Application Circuit when operated as a demodulator. I/Q outputs are recombined using network shown in Figure 5. Losses
ofcombiningnetworknotincludedinmeasurements.RFandLOportsaredrivenfrom50Ωsources.TypicalvaluesareforV
CC
= 5V, I/Q
DCreturns =160Ωresistors toGND,P
RF
= 0dBm, P
LO
= 0dBm, f
RF
= 1890MHz,f
LO
= 1880MHz, f
IF
= 10MHz, T
C
= +25°C, unless
otherwise noted.) (Notes 6, 11)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
ACLR (1st Adjacent Channel
5MHz Offset)
Single-carrierWCDMA(Note9),
RFOUT = -16dBm, f
LO
=2GHz
70 dBc
LO Leakage
No external calibration, with each baseband
inputterminatedin50ΩtoGND
-40.4 dBm
Sideband Suppression No external calibration 45.7 dBc
RF Return Loss 13.5 dB
Output Noise Density f
meas
= 2240MHz (Note 10) -173.2 dBm/Hz
LO Input Return Loss 18.1 dB
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Loss L
C
9.2 dB
Noise Figure NF
SSB
9.4 dB
Input Third-Order
Intercept Point
IIP3
f
RF1
=1890MHz,f
RF2
=1891MHz,
P
RF1
= P
RF2
= 0dBm, f
IF1
= 10MHz,
f
IF2
= 11MHz
39 dBm
Input Second-Order
Intercept Point
IIP2
f
RF1
=1890MHz,f
RF2
=1891MHz,
P
RF1
= P
RF2
= 0dBm, f
IF1
= 10MHz,
f
IF2
= 11MHz, f
IM2nd
= 21MHz
58 dBm
LO Leakage at RF Port Unnulled -40 dBm
GainCompression P
RF
= 20dBm 0.10 dB
Image Rejection 35 dB
RF Port Return Loss
C9=1.2pF 17 dB
LO Port Return Loss C3 = 22pF 9 dB
IF Port Differential Impedance 43 Ω
Minimum Demodulation 3dB
Bandwidth
>500 MHz
Minimum1dBGainFlatness >450 MHz