General Description
The MAX2023 low-noise, high-linearity, direct upconversion/downconversion quadrature modulator/demodulator is designed for single and multicarrier 1500MHz to 2500MHz DCS 1800/PCS 1900 EDGE, cdma2000®, WCDMA/LTE/TD-LTE, and PHS/PAS base-station applications.

Features
♦ 1500MHz to 2500MHz RF Frequency Range
♦ Scalable Power: External Current-Setting
   Resistors Provide Option for Operating Device in
   Reduced-Power/Reduced-Performance Mode
♦ 36-Pin, 6mm x 6mm TQFN Provides High Isolation
   in a Small Package
   Modulator Operation:
♦ Meets GSM Spurious Emission of -75dBc at
   600kHz Offset at POUT = +6dBm
♦ +23.5dBm Typical OIP3
♦ +61dBm Typical OIP2
♦ +16dBm Typical OP1dB
♦ -54dBm Typical LO Leakage
♦ 48dBc Typical Sideband Suppression
♦ -165dBc/Hz Output Noise Density
♦ Broadband Baseband Input of 450MHz Allows a
   Direct Launch DAC Interface, Eliminating the
   Need for Costly I/Q Buffer Amplifiers
♦ DC-Coupled Input Allows Ability for Offset
   Voltage Control
   Demodulator Operation:
♦ +38dBm Typical IIP3
♦ +59dBm Typical IIP2
♦ +30dBm Typical IP1dB
♦ 9.5dB Typical Conversion Loss
♦ 9.6dB Typical NF
♦ 0.025dB Typical I/Q Gain Imbalance
♦ 0.56° I/Q Typical Phase Imbalance

Applications
   Single-Carrier DCS 1800/PCS 1900 EDGE Base Stations
   Single and Multicarrier WCDMA/LTE/TD-LTE Base Stations
   Single and Multicarrier cdmaOne™ and cdma2000 Base Stations
   Predistortion Transmitters and Receivers
   PHS/PAS Base Stations
   Fixed Broadband Wireless Access
   Military Systems
   Microwave Links
   Digital and Spread-Spectrum Communication Systems
   Video-on-Demand (VOD) and DOCSIS Compliant Edge QAM Modulation
   Cable Modem Termination Systems (CMTS)