General Description

The MAX19994A dual-channel downconverter is designed to provide 8.4dB of conversion gain, +25dBm input IP3, +14dBm 1dB input compression point, and a noise figure of 9.8dB for 1200MHz to 2000MHz diversity receiver applications.

Features

♦ 1200MHz to 2000MHz RF Frequency Range

♦ 1450MHz to 2050MHz LO Frequency Range

♦ 50MHz to 500MHz IF Frequency Range

♦ 8.4dB Typical Conversion Gain

♦ 9.8dB Typical Noise Figure

♦ +25dBm Typical Input IP3

♦ +14dBm Typical Input 1dB Compression Point

♦ 68dBc Typical 2LO - 2RF 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 48dB LO-to-LO

   Isolation and 50ns Switching Time

♦ Pin Compatible with the MAX9985/MAX9995/

   MAX19985A/MAX19993/MAX19995/MAX19995A

   Series of 700MHz to 2200MHz Mixers

♦ Pin Similar to the MAX19997A/MAX19999 Series

   of 1850MHz to 4000MHz Mixers

♦ Single 5.0V or 3.3V Supply

♦ External Current-Setting Resistors Provide Option

   for Operating Device in Reduced-Power/Reduced Performance Mode

Applications

   WCDMA/LTE Base Stations

   TD-SCDMA Base Stations

   GSM/EDGE Base Stations

   cdma2000M Base Stations

   Wireless Local Loop

   Fixed Broadband Wireless Access

   Private Mobile Radios

   Military Systems