
Maxim Integrated
General Description
The MAX19993 dual-channel downconverter is designed to provide 6.4dB of conversion gain, +27dBm input IP3, 15.4dBm 1dB input compression point, and a noise figure of 9.8dB for 1200MHz to 1700MHz diversity receiver applications.
FEATUREs
♦ 1200MHz to 1700MHz RF Frequency Range
♦ 1000MHz to 1560MHz LO Frequency Range
♦ 50MHz to 500MHz IF Frequency Range
♦ 6.4dB Typical Conversion Gain
♦ 9.8dB Typical Noise Figure
♦ +27dBm Typical Input IP3
♦ 15.4dBm Typical Input 1dB Compression Point
♦ 72dBc Typical 2RF - 2LO Spurious Rejection at
PRF = -10dBm
♦ Dual Channels Ideal for Diversity Receiver
Applications
♦ 47dB Typical Channel-to-Channel Isolation
♦ Low -6dBm to +3dBm LO Drive
♦ Integrated LO Buffer
♦ Internal RF and LO Baluns for Single-Ended
Inputs
♦ Built-In SPDT LO Switch with 57dB LO-to-LO
Isolation and 50ns Switching Time
♦ Pin Compatible with the MAX9985/MAX19985A/
MAX9995/MAX19993A/MAX19994/MAX19994A/
MAX19995/MAX19995A Series of 700MHz to
2200MHz Mixers
♦ Pin Similar to the MAX19997A/MAX19999 Series
of 1850MHz to 4000MHz Mixers
♦ Single +5V or +3.3V Supply
♦ External Current-Setting Resistors Provide Option
for Operating Device in Reduced-Power/Reduced Performance Mode
APPLICATIONs
WCDMA/LTE Base Stations
Wireless Local Loop
Fixed Broadband Wireless Access
Private Mobile Radios
Military Systems